81138380400
81,138,380,400 is an even composite number composed of seven prime numbers multiplied together.
What does the number 81138380400 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 1440 divisors.
81138380400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, four hundred forty divisors.
Prime factorization of 81138380400:
24 × 35 × 52 × 7 × 11 × 37 × 293
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 11 × 37 × 293)See below for interesting mathematical facts about the number 81138380400 from the Numbermatics database.
Names of 81138380400
- Cardinal: 81138380400 can be written as Eighty-one billion, one hundred thirty-eight million, three hundred eighty thousand, four hundred.
Scientific notation
- Scientific notation: 8.11383804 × 1010
Factors of 81138380400
Divisors of 81138380400
- Number of divisors d(n): 1440
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 25 27 28 30 33 35 36 37 40 42 44 45 48 50 54 55 56 60 63 66 70 72 74 75 77 80 81 84 88 90 99 100 105 108 110 111 112 120 126 132 135 140 144 148 150 154 162 165 168 175 176 180 185 189 198 200 210 216 220 222 225 231 240 243 252 259 264 270 275 280 293 296 297 300 308 315 324 330 333 336 350 360 370 378 385 396 400 405 407 420 432 440 444 450 462 486 495 504 518 525 528 540 550 555 560 567 586 592 594 600 616 630 648 660 666 675 693 700 720 740 756 770 777 792 810 814 825 840 879 880 888 891 900 924 925 945 972 990 999 1008 1036 1050 1080 1100 1110 1134 1155 1172 1188 1200 1215 1221 1232 1260 1295 1296 1320 1332 1350 1386 1400 1465 1480 1485 1512 1540 1554 1575 1584 1620 1628 1650 1665 1680 1701 1758 1776 1782 1800 1848 1850 1890 1925 1944 1980 1998 2025 2035 2051 2072 2079 2100 2160 2200 2220 2268 2310 2331 2344 2376 2430 2442 2475 2520 2590 2637 2640 2664 2673 2700 2772 2775 2800 2835 2849 2930 2960 2970 2997 3024 3080 3108 3150 3223 3240 3256 3300 3330 3402 3465 3516 3564 3600 3663 3696 3700 3780 3850 3885 3888 3960 3996 4050 4070 4102 4144 4158 4200 4395 4400 4440 4455 4536 4620 4662 4688 4725 4752 4860 4884 4950 4995 5040 5180 5274 5328 5346 5400 5544 5550 5670 5698 5775 5860 5940 5994 6075 6105 6153 6160 6216 6237 6300 6446 6475 6480 6512 6600 6660 6804 6930 6993 7032 7128 7325 7326 7400 7425 7560 7700 7770 7911 7920 7992 8100 8140 8204 8316 8325 8400 8505 8547 8790 8880 8910 8991 9072 9240 9324 9450 9669 9720 9768 9900 9990 10175 10255 10360 10395 10548 10692 10800 10841 10989 11088 11100 11340 11396 11550 11655 11720 11880 11988 12150 12210 12306 12432 12474 12600 12892 12950 13185 13200 13320 13365 13608 13860 13986 14064 14175 14245 14256 14650 14652 14800 14850 14985 15120 15400 15540 15822 15984 16115 16200 16280 16408 16632 16650 17010 17094 17325 17580 17820 17982 18315 18459 18480 18648 18711 18900 19338 19425 19440 19536 19800 19980 20350 20510 20720 20790 20979 21096 21384 21682 21975 21978 22200 22275 22561 22680 22792 23100 23310 23440 23733 23760 23976 24300 24420 24612 24948 24975 25200 25641 25784 25900 26370 26640 26730 27216 27720 27972 28350 28490 29007 29300 29304 29700 29970 30525 30765 30800 31080 31185 31644 32230 32400 32523 32560 32816 32967 33264 33300 34020 34188 34650 34965 35160 35640 35964 36630 36918 37296 37422 37800 38676 38850 39555 39600 39960 40700 41020 41580 41958 42192 42525 42735 42768 43364 43950 43956 44400 44550 44955 45122 45360 45584 46200 46620 47466 47952 48345 48600 48840 49224 49896 49950 51275 51282 51568 51800 51975 52740 53460 54205 54945 55377 55440 55944 56700 56980 58014 58275 58600 58608 59400 59940 61050 61530 62160 62370 62937 63288 64460 65046 65925 65934 66600 66825 67683 68040 68376 69300 69930 70320 71199 71225 71280 71928 73260 73836 74844 74925 75600 75887 76923 77352 77700 79110 79920 80575 81400 82040 83160 83916 85050 85470 86728 87021 87900 87912 89100 89910 90244 91575 92295 92400 93240 93555 94932 96690 97200 97569 97680 98448 98901 99792 99900 102550 102564 103600 103950 104895 105480 106920 108410 109890 110754 111888 112805 113400 113960 116028 116550 117200 118665 118800 119251 119880 122100 123060 124740 125874 126576 128205 128920 130092 131850 131868 133200 133650 135366 136080 136752 138600 139860 142398 142450 143856 145035 146520 147672 149688 149850 151774 153825 153846 154704 155400 155925 158220 161150 162615 162800 164080 164835 166131 166320 167832 170100 170940 173456 174042 174825 175800 175824 178200 179820 180488 183150 184590 186480 187110 189864 193380 195138 197775 197802 199800 203049 205100 205128 207900 209790 210960 213675 213840 216820 219780 221508 224775 225610 226800 227661 227920 230769 232056 233100 237330 238502 239760 241725 244200 246120 249480 251748 256410 257840 260184 261063 263700 263736 267300 270732 271025 274725 276885 277200 279720 284796 284900 290070 292707 293040 295344 299376 299700 303548 307650 307692 310800 311850 314685 316440 322300 325230 329670 332262 335664 338415 340200 341880 348084 349650 351600 355995 356400 357753 359640 360976 366300 369180 374220 379435 379728 384615 386760 390276 395550 395604 399600 406098 410200 410256 415800 419580 427350 433640 435105 439560 443016 449550 451220 455322 461475 461538 464112 466200 467775 474660 477004 483450 487845 488400 492240 494505 498393 498960 503496 512820 520368 522126 524475 527400 527472 534600 541464 542050 549450 553770 559440 564025 569592 569800 580140 585414 593325 596255 599400 607096 609147 615300 615384 623700 629370 632880 641025 644600 650460 659340 664524 676830 680400 682983 683760 692307 696168 699300 711990 715506 719280 725175 732600 738360 748440 758870 769230 773520 780552 783189 791100 791208 812196 813075 820400 824175 830655 831600 834757 839160 854700 867280 870210 878121 879120 886032 899100 902440 910644 922950 923076 932400 935550 949320 954008 966900 975690 989010 996786 1006992 1015245 1025640 1044252 1048950 1054800 1069200 1073259 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11076912 11383050 11538450 11602800 11708280 11925100 12182940 12293694 12459825 12521355 12531024 12587400 12879108 13009200 13053150 13171815 13186800 13290480 13356112 13536600 13659660 13846140 14049936 14239800 14310120 14619528 14635350 15025626 15177400 15228675 15384600 15663780 16098885 16243920 16391592 16613100 16695140 17074575 17172144 17307675 17404200 17562420 17887650 18212880 18274410 18440541 18461520 19318662 19513800 19579725 19780200 19935720 20034168 20304900 20489490 20868925 20885040 21074904 21465180 21929292 21953025 22150800 22538439 22766100 23076900 23416560 23850200 24365880 24587388 24919650 25042710 25174800 25758216 26106300 26343630 26831475 27073200 27319320 27411615 27692280 28479600 28620240 28977993 29239056 29270700 30051252 30354800 30457350 30734235 30769200 31327560 32197770 32783184 33226200 33390280 34149150 34615350 34808400 35124840 35775300 36548820 36881082 37564065 38637324 39027600 39159450 39560400 39871440 40068336 40609800 40978980 41737850 42149808 42930360 43858584 43906050 45076878 45532200 45686025 46153800 47700400 48296655 48731760 49174776 49839300 50085420 51223725 51516432 52212600 52687260 53662950 54638640 54823230 55384560 57955986 58541400 60102504 60914700 61468470 62606775 62655120 64395540 65859075 66452400 66780560 67615317 68298300 69230700 70249680 71550600 73097640 73762164 75128130 77274648 78318900 80494425 81219600 81957960 83475700 85860720 87717168 87812100 90153756 91064400 91372050 92202705 92307600 96593310 98349552 99678600 100170840 102447450 104425200 105374520 107325900 109646460 112692195 115911972 117082800 120205008 121829400 122936940 125213550 128791080 131718150 135230634 136596600 137058075 138461400 143101200 144889965 146195280 147524328 150256260 153671175 154549296 156637800 160988850 163915920 166951400 175624200 180307512 182744100 184405410 187820325 193186620 199357200 200341680 202845951 204894900 210749040 214651800 219292920 225384390 231823944 241483275 243658800 245873880 250427100 257582160 263436300 270461268 273193200 274116150 276922800 289779930 295048656 300512520 307342350 313275600 321977700 333902800 338076585 351248400 360615024 365488200 368810820 375640650 386373240 405691902 409789800 429303600 438585840 450768780 461013525 463647888 482966550 491747760 500854200 526872600 540922536 548232300 563460975 579559860 601025040 614684700 643955400 676153170 724449825 730976400 737621640 751281300 772746480 811383804 819579600 901537560 922027050 965933100 1001708400 1014229755 1053745200 1081845072 1096464600 1126921950 1159119720 1229369400 1287910800 1352306340 1448899650 1475243280 1502562600 1622767608 1690382925 1803075120 1844054100 1931866200 2028459510 2192929200 2253843900 2318239440 2458738800 2704612680 2897799300 3005125200 3245535216 3380765850 3688108200 3863732400 4056919020 4507687800 5071148775 5409225360 5795598600 6761531700 7376216400 8113838040 9015375600 10142297550 11591197200 13523063400 16227676080 20284595100 27046126800 40569190200 81138380400
- Sum of all divisors σ(n): 375168987648
- Sum of proper divisors (its aliquot sum) s(n): 294030607248
- 81138380400 is an abundant number, because the sum of its proper divisors (294030607248) is greater than itself. Its abundance is 212892226848
Bases of 81138380400
- Binary: 10010111001000011100101101110011100002
- Hexadecimal: 0x12E4396E70
- Base-36: 119VP300
Squares and roots of 81138380400
- 81138380400 squared (811383804002) is 6583436773935104160000
- 81138380400 cubed (811383804003) is 534169397302895286247702464000000
-
The
square root of 81138380400 is 284847.9952536089 -
The
cube root of 81138380400 is 4329.2112482871
Scales and comparisons
How big is 81138380400?- 81,138,380,400 seconds is equal to 2,579 years, 49 weeks, 2 days, 15 hours.
-
To count from 1 to 81,138,380,400 would take you about five thousand, one hundred fifty-nine 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 81138380400 cubic inches would be around 360.8 feet tall.
Recreational maths with 81138380400
- 81138380400 backwards is 00408383118
- 81138380400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81138380400's digits is 36
- More coming soon!
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The information we have on file for 81138380400 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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