81821013120
81,821,013,120 is an even composite number composed of seven prime numbers multiplied together.
81821013120 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, one hundred fifty-two divisors.
Prime factorization of 81821013120:
27 × 32 × 5 × 7 × 112 × 31 × 541
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 11 × 11 × 31 × 541)See below for interesting mathematical facts about the number 81821013120 from the Numbermatics database.
Names of 81821013120
- Cardinal: 81821013120 can be written as Eighty-one billion, eight hundred twenty-one million, thirteen thousand, one hundred twenty.
Scientific notation
- Scientific notation: 8.182101312 × 1010
Factors of 81821013120
Divisors of 81821013120
- Number of divisors d(n): 1152
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 31 32 33 35 36 40 42 44 45 48 55 56 60 62 63 64 66 70 72 77 80 84 88 90 93 96 99 105 110 112 120 121 124 126 128 132 140 144 154 155 160 165 168 176 180 186 192 198 210 217 220 224 231 240 242 248 252 264 279 280 288 308 310 315 320 330 336 341 352 360 363 372 384 385 396 420 434 440 448 462 465 480 484 495 496 504 528 541 558 560 576 605 616 620 630 640 651 660 672 682 693 704 720 726 744 770 792 840 847 868 880 896 924 930 960 968 990 992 1008 1023 1056 1082 1085 1089 1116 1120 1152 1155 1210 1232 1240 1260 1302 1320 1344 1364 1386 1395 1408 1440 1452 1488 1540 1584 1623 1680 1694 1705 1736 1760 1815 1848 1860 1920 1936 1953 1980 1984 2016 2046 2112 2164 2170 2178 2232 2240 2310 2387 2420 2464 2480 2520 2541 2604 2640 2688 2705 2728 2772 2790 2880 2904 2976 3069 3080 3168 3246 3255 3360 3388 3410 3465 3472 3520 3630 3696 3720 3751 3787 3872 3906 3960 3968 4032 4092 4224 4235 4328 4340 4356 4464 4480 4620 4774 4840 4869 4928 4960 5040 5082 5115 5208 5280 5410 5445 5456 5544 5580 5760 5808 5951 5952 6138 6160 6336 6492 6510 6720 6776 6820 6930 6944 7040 7161 7260 7392 7440 7502 7574 7623 7744 7812 7920 8064 8115 8184 8470 8656 8680 8712 8928 9240 9548 9680 9738 9765 9856 9920 10080 10164 10230 10416 10560 10820 10890 10912 11088 11160 11253 11361 11616 11902 11904 11935 12276 12320 12672 12705 12984 13020 13440 13552 13640 13860 13888 14322 14520 14784 14880 15004 15148 15246 15345 15488 15624 15840 16230 16368 16771 16940 17312 17360 17424 17853 17856 18480 18755 18935 19096 19360 19476 19530 19840 20160 20328 20460 20832 21120 21483 21640 21780 21824 22176 22320 22506 22722 23232 23804 23870 24345 24552 24640 25410 25968 26040 26257 27104 27280 27720 27776 28644 29040 29568 29755 29760 30008 30296 30492 30690 31248 31680 32460 32736 33542 33759 33880 34083 34624 34720 34848 35706 35712 35805 36960 37510 37870 38115 38192 38720 38952 39060 40320 40656 40920 41657 41664 42966 43280 43560 43648 44352 44640 45012 45444 46464 47608 47740 48690 49104 49280 50313 50820 51936 52080 52514 53559 54208 54560 55440 56265 56805 57288 58080 59510 59520 60016 60592 60984 61380 62496 63360 64920 65461 65472 67084 67518 67760 68166 69248 69440 69696 71412 71610 73920 75020 75740 76230 76384 77440 77904 78120 78771 81312 81840 83314 83328 83855 85932 86560 87120 88704 89265 89280 90024 90888 95216 95480 97380 98208 100626 101640 103872 104160 105028 107118 107415 108416 109120 110880 112530 113610 114576 116160 117397 119020 120032 121184 121968 122760 124971 124992 129840 130922 130944 131285 134168 135036 135520 136332 138880 139392 142824 143220 147840 150040 150939 151480 152460 152768 155808 156240 157542 162624 163680 166628 167710 168795 170415 171864 173120 174240 178530 178560 180048 181776 184481 190432 190960 194760 196383 196416 201252 203280 207744 208285 208320 210056 214236 214830 218240 221760 225060 227220 229152 232320 234794 236313 238040 240064 242368 243936 245520 249942 249984 251565 259680 261844 262570 267795 268336 270072 271040 272664 285648 286440 300080 301878 302960 304920 305536 311616 312480 315084 325248 327305 327360 333256 335420 337590 340830 343728 346240 348480 352191 357060 360096 363552 368962 374913 380864 381920 389520 392766 392832 393855 402504 406560 416570 416640 420112 428472 429660 443520 450120 454440 458227 458304 469588 472626 476080 480128 484736 487872 491040 499884 503130 519360 523688 525140 535590 536672 540144 542080 545328 553443 571296 572880 586985 589149 600160 603756 605920 609840 623232 624855 624960 630168 654610 654720 666512 670840 675180 681660 687456 696960 704382 714120 720192 727104 737924 749826 754695 761728 763840 779040 785532 787710 805008 813120 833140 840224 856944 859320 900240 908880 916454 916608 922405 939176 945252 952160 975744 981915 982080 999768 1006260 1038720 1047376 1050280 1056573 1071180 1073344 1080288 1090656 1106886 1142592 1145760 1173970 1178298 1181565 1200320 1207512 1211840 1219680 1249710 1249920 1260336 1291367 1309220 1333024 1341680 1350360 1363320 1374681 1374912 1408764 1428240 1440384 1454208 1475848 1499652 1509390 1527680 1558080 1571064 1575420 1610016 1626240 1660329 1666280 1680448 1713888 1718640 1760955 1800480 1817760 1832908 1844810 1874565 1878352 1890504 1904320 1963830 1964160 1999536 2012520 2029291 2094752 2100560 2113146 2142360 2146688 2160576 2181312 2213772 2285184 2291135 2291520 2347940 2356596 2363130 2400640 2415024 2423680 2439360 2499420 2520672 2582734 2618440 2666048 2683360 2700720 2726640 2749362 2749824 2767215 2817528 2856480 2945745 2951696 2999304 3018780 3116160 3142128 3150840 3220032 3320658 3332560 3360896 3427776 3437280 3521910 3600960 3635520 3665816 3689620 3749130 3756704 3781008 3808640 3874101 3927660 3999072 4025040 4058582 4124043 4189504 4201120 4226292 4284720 4321152 4362624 4427544 4582270 4583040 4695880 4713192 4726260 4830048 4878720 4998840 5041344 5165468 5236880 5282865 5332096 5366720 5401440 5453280 5498724 5534430 5635056 5712960 5891490 5903392 5998608 6037560 6087873 6284256 6301680 6440064 6456835 6641316 6665120 6855552 6873405 6874560 7043820 7201920 7271040 7331632 7379240 7498260 7513408 7562016 7748202 7855320 7998144 8050080 8117164 8248086 8301645 8379008 8402240 8452584 8569440 8855088 9164540 9391760 9426384 9452520 9660096 9997680 10082688 10146455 10330936 10473760 10565730 10733440 10802880 10906560 10997448 11068860 11270112 11425920 11622303 11782980 11806784 11997216 12075120 12175746 12568512 12603360 12913670 13282632 13330240 13746810 13749120 14087640 14205037 14663264 14758480 14996520 15026816 15124032 15496404 15710640 15996288 16100160 16234328 16496172 16603290 16804480 16905168 17138880 17710176 18263619 18329080 18783520 18852768 18905040 19320192 19370505 19995360 20292910 20620215 20661872 20947520 21131460 21605760 21813120 21994896 22137720 22540224 23244606 23565960 23613568 23994432 24150240 24351492 25137024 25206720 25827340 26565264 26660480 27493620 28175280 28410074 29326528 29516960 29993040 30248064 30439365 30992808 31421280 32200320 32468656 32992344 33206580 33810336 34277760 35420352 36527238 36658160 37567040 37705536 37810080 38741010 39990720 40585820 41240430 41323744 41895040 42262920 42615111 43989792 44275440 45080448 46489212 47131920 47988864 48300480 48702984 50413440 51654680 53130528 54987240 56350560 56820148 58111515 58653056 59033920 59986080 60878730 61985616 62842560 64937312 65984688 66413160 67620672 70840704 71025185 73054476 73316320 75134080 75411072 75620160 77482020 79981440 81171640 82480860 82647488 84525840 85230222 87979584 88550880 91318095 92978424 94263840 96600960 97405968 103309360 106261056 109974480 112701120 113640296 116223030 118067840 119972160 121757460 123971232 125685120 127845333 129874624 131969376 132826320 135241344 142050370 146108952 146632640 151240320 154964040 162343280 164961720 165294976 169051680 170460444 175959168 177101760 182636190 185956848 188527680 194811936 206618720 212522112 213075555 219948960 225402240 227280592 232446060 239944320 243514920 247942464 255690666 259749248 263938752 265652640 284100740 292217904 293265280 309928080 324686560 329923440 338103360 340920888 354203520 365272380 371913696 377055360 389623872 413237440 426151110 439897920 454561184 464892120 487029840 495884928 511381332 527877504 531305280 568201480 584435808 619856160 639226665 649373120 659846880 676206720 681841776 730544760 743827392 779247744 826474880 852302220 879795840 909122368 929784240 974059680 1022762664 1062610560 1136402960 1168871616 1239712320 1278453330 1298746240 1319693760 1363683552 1461089520 1487654784 1704604440 1818244736 1859568480 1948119360 2045525328 2272805920 2337743232 2479424640 2556906660 2639387520 2727367104 2922179040 3409208880 3719136960 3896238720 4091050656 4545611840 5113813320 5454734208 5844358080 6818417760 7438273920 8182101312 9091223680 10227626640 11688716160 13636835520 16364202624 20455253280 27273671040 40910506560 81821013120
- Sum of all divisors σ(n): 367050378240
- Sum of proper divisors (its aliquot sum) s(n): 285229365120
- 81821013120 is an abundant number, because the sum of its proper divisors (285229365120) is greater than itself. Its abundance is 203408352000
Bases of 81821013120
- Binary: 10011000011001110100110010100100000002
- Hexadecimal: 0x130CE99480
- Base-36: 11L649S0
Squares and roots of 81821013120
- 81821013120 squared (818210131202) is 6694678187983212134400
- 81821013120 cubed (818210131203) is 547765351853152226388485603328000
-
The
square root of 81821013120 is 286043.7258881935 -
The
cube root of 81821013120 is 4341.3181863769
Scales and comparisons
How big is 81821013120?- 81,821,013,120 seconds is equal to 2,601 years, 34 weeks, 11 hours, 12 minutes.
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To count from 1 to 81,821,013,120 would take you about five thousand, two hundred three years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 81821013120 cubic inches would be around 361.8 feet tall.
Recreational maths with 81821013120
- 81821013120 backwards is 02131012818
- The number of decimal digits it has is: 11
- The sum of 81821013120's digits is 27
- More coming soon!
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Cite this page
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"Number 81821013120 - Facts about the integer". Numbermatics.com. 2024. Web. 9 June 2024.
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Numbermatics. (2024). Number 81821013120 - Facts about the integer. Retrieved 9 June 2024, from https://numbermatics.com/n/81821013120/
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The information we have on file for 81821013120 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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