21072817920
21,072,817,920 is an even composite number composed of seven prime numbers multiplied together.
21072817920 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 21072817920:
28 × 3 × 5 × 7 × 113 × 19 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 11 × 11 × 11 × 19 × 31)See below for interesting mathematical facts about the number 21072817920 from the Numbermatics database.
Names of 21072817920
- Cardinal: 21072817920 can be written as Twenty-one billion, seventy-two million, eight hundred seventeen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.107281792 × 1010
Factors of 21072817920
Divisors of 21072817920
- Number of divisors d(n): 1152
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 14 15 16 19 20 21 22 24 28 30 31 32 33 35 38 40 42 44 48 55 56 57 60 62 64 66 70 76 77 80 84 88 93 95 96 105 110 112 114 120 121 124 128 132 133 140 152 154 155 160 165 168 176 186 190 192 209 210 217 220 224 228 231 240 242 248 256 264 266 280 285 304 308 310 320 330 336 341 352 363 372 380 384 385 399 418 420 434 440 448 456 462 465 480 484 496 528 532 560 570 589 605 608 616 620 627 640 651 660 665 672 682 704 726 744 760 768 770 798 836 840 847 868 880 896 912 924 930 960 968 992 1023 1045 1056 1064 1085 1120 1140 1155 1178 1210 1216 1232 1240 1254 1280 1302 1320 1330 1331 1344 1364 1408 1452 1463 1488 1520 1540 1596 1672 1680 1694 1705 1736 1760 1767 1792 1815 1824 1848 1860 1920 1936 1984 1995 2046 2090 2112 2128 2170 2240 2280 2299 2310 2356 2387 2420 2432 2464 2480 2508 2541 2604 2640 2660 2662 2688 2728 2816 2904 2926 2945 2976 3040 3080 3135 3192 3255 3344 3360 3388 3410 3472 3520 3534 3630 3648 3696 3720 3751 3840 3872 3968 3990 3993 4092 4123 4180 4224 4235 4256 4340 4389 4480 4560 4598 4620 4712 4774 4840 4864 4928 4960 5016 5082 5115 5208 5280 5320 5324 5376 5456 5808 5852 5890 5952 6080 6160 6270 6384 6479 6510 6655 6688 6720 6776 6820 6897 6944 7040 7068 7161 7260 7296 7315 7392 7440 7502 7744 7936 7980 7986 8184 8246 8360 8448 8470 8512 8680 8778 8835 8960 9120 9196 9240 9317 9424 9548 9680 9856 9920 10032 10164 10230 10416 10560 10640 10648 10912 11253 11495 11616 11704 11780 11904 11935 12160 12320 12369 12540 12705 12768 12958 13020 13310 13376 13440 13552 13640 13794 13888 14080 14136 14322 14520 14592 14630 14784 14880 15004 15488 15960 15972 16093 16368 16492 16720 16940 17024 17360 17556 17670 18240 18392 18480 18634 18755 18848 19096 19360 19437 19712 19840 19965 20064 20328 20460 20615 20832 21120 21280 21296 21824 21945 22506 22990 23232 23408 23560 23808 23870 24320 24640 24738 25080 25289 25410 25536 25916 26040 26257 26620 26752 26880 27104 27280 27588 27776 27951 28272 28644 29040 29260 29568 29760 30008 30976 31920 31944 32186 32395 32736 32984 33440 33880 34048 34485 34720 35112 35340 35805 36480 36784 36960 37268 37510 37696 38192 38720 38874 39680 39930 40128 40656 40920 41230 41261 41664 42240 42560 42592 43648 43890 45012 45353 45980 46464 46585 46816 47120 47740 48279 49280 49476 50160 50578 50820 51072 51832 52080 52514 53240 53504 54208 54560 55176 55552 55902 56265 56544 57288 58080 58520 59136 59520 60016 61845 63840 63888 64372 64790 65472 65968 66880 67760 68970 69440 70224 70680 71269 71610 72960 73568 73920 74536 75020 75392 75867 76384 77440 77748 78771 79860 80256 80465 81312 81840 82460 82522 83328 85120 85184 87296 87780 90024 90706 91960 92928 93170 93632 94240 95480 96558 97185 98560 98952 100320 101156 101640 102144 103664 104160 105028 106480 108416 109120 110352 111804 112530 113088 114576 116160 117040 119040 120032 123690 123783 126445 127680 127776 128744 129580 130944 131285 131936 133760 135520 136059 137940 138880 139755 140448 141360 142538 143220 147136 147840 149072 150040 150784 151734 152768 154880 155496 157542 159720 160512 160930 162624 163680 164920 165044 166656 170240 170368 175560 177023 180048 181412 183920 186340 187264 188480 190960 193116 194370 197904 200640 202312 203280 206305 207328 208320 210056 212960 213807 216832 218240 220704 223608 225060 226176 226765 229152 232320 234080 240064 241395 247380 247566 252890 255360 255552 257488 259160 261888 262570 263872 267520 271040 272118 275880 277760 279510 280896 282720 285076 286440 288827 294272 295680 298144 300080 303468 305536 310992 315084 319440 321860 325248 327360 329840 330088 340736 351120 354046 356345 360096 362824 367840 372680 374528 376960 379335 381920 386232 388740 393855 395808 401280 404624 406560 412610 414656 416640 420112 425920 427614 436480 441408 447216 450120 452352 453530 458304 464640 468160 480128 482790 494760 495132 498883 505780 510720 511104 514976 518320 525140 527744 531069 542080 544236 551760 559020 561792 565440 570152 572880 577654 588544 596288 600160 606936 611072 618915 621984 630168 638880 643720 650496 654720 659680 660176 680295 702240 708092 712690 720192 725648 735680 745360 753920 758670 763840 772464 777480 783959 787710 791616 802560 809248 813120 825220 829312 833280 840224 851840 855228 866481 882816 885115 894432 900240 907060 916608 936320 960256 965580 989520 990264 997766 1011560 1022208 1029952 1036640 1050280 1055488 1062138 1069035 1084160 1088472 1103520 1118040 1123584 1130880 1140304 1145760 1155308 1192576 1200320 1213872 1237830 1243968 1260336 1277760 1287440 1309440 1319360 1320352 1360590 1404480 1416184 1425380 1440384 1444135 1451296 1471360 1490720 1496649 1517340 1527680 1544928 1554960 1567918 1575420 1583232 1618496 1626240 1650440 1658624 1680448 1703680 1710456 1732962 1765632 1770230 1788864 1800480 1814120 1833216 1872640 1931160 1979040 1980528 1995532 2023120 2059904 2073280 2100560 2124276 2138070 2176944 2207040 2236080 2261760 2280608 2291520 2310616 2351877 2385152 2400640 2427744 2475660 2487936 2494415 2520672 2555520 2574880 2638720 2640704 2655345 2721180 2808960 2832368 2850760 2880768 2888270 2902592 2942720 2981440 2993298 3034680 3055360 3089856 3109920 3135836 3150840 3166464 3236992 3252480 3300880 3360896 3420912 3465924 3540460 3577728 3600960 3628240 3862320 3919795 3958080 3961056 3991064 4046240 4119808 4146560 4201120 4248552 4276140 4332405 4353888 4414080 4472160 4561216 4583040 4621232 4703754 4801280 4855488 4951320 4975872 4988830 5041344 5111040 5149760 5277440 5281408 5310690 5442360 5487713 5617920 5664736 5701520 5776540 5805184 5962880 5986596 6069360 6179712 6219840 6271672 6301680 6473984 6601760 6721792 6841824 6931848 7080920 7155456 7201920 7256480 7483245 7724640 7839590 7916160 7922112 7982128 8092480 8293120 8402240 8497104 8552280 8664810 8707776 8828160 8944320 9122432 9166080 9242464 9407508 9710976 9902640 9977660 10082688 10299520 10562816 10621380 10884720 10975426 11329472 11403040 11553080 11610368 11759385 11925760 11973192 12138720 12359424 12439680 12543344 12603360 13203520 13683648 13863696 14161840 14403840 14512960 14966490 15449280 15679180 15832320 15844224 15964256 16184960 16463139 16804480 16994208 17104560 17329620 17415552 17888640 18244864 18484928 18815016 19421952 19805280 19955320 20165376 20599040 21242760 21769440 21950852 22658944 22806080 23106160 23518770 23946384 24277440 24879360 25086688 25206720 26407040 27367296 27438565 27727392 28323680 29025920 29932980 30898560 31358360 31688448 31928512 32369920 32926278 33608960 33988416 34209120 34659240 34831104 35777280 36969856 37630032 39610560 39910640 42485520 43538880 43901704 45317888 45612160 46212320 47037540 47892768 48554880 50173376 50413440 52814080 54734592 54877130 55454784 56647360 58051840 59865960 61797120 62716720 63857024 65852556 67976832 68418240 69318480 73939712 75260064 79221120 79821280 82315695 84971040 87077760 87803408 91224320 92424640 94075080 95785536 97109760 100346752 100826880 109754260 110909568 113294720 119731920 125433440 127714048 131705112 135953664 136836480 138636960 150520128 158442240 159642560 164631390 169942080 174155520 175606816 184849280 188150160 191571072 200693504 219508520 221819136 226589440 239463840 250866880 263410224 273672960 277273920 301040256 319285120 329262780 339884160 351213632 369698560 376300320 383142144 439017040 478927680 501733760 526820448 554547840 602080512 638570240 658525560 679768320 702427264 752600640 878034080 957855360 1003467520 1053640896 1109095680 1317051120 1404854528 1505201280 1756068160 1915710720 2107281792 2634102240 3010402560 3512136320 4214563584 5268204480 7024272640 10536408960 21072817920
- Sum of all divisors σ(n): 91927019520
- Sum of proper divisors (its aliquot sum) s(n): 70854201600
- 21072817920 is an abundant number, because the sum of its proper divisors (70854201600) is greater than itself. Its abundance is 49781383680
Bases of 21072817920
- Binary: 100111010000000100110101111000000002
- Hexadecimal: 0x4E809AF00
- Base-36: 9OI7MDC
Squares and roots of 21072817920
- 21072817920 squared (210728179202) is 444063655089473126400
- 21072817920 cubed (210728179203) is 9357672548590148501360345088000
-
The
square root of 21072817920 is 145164.7957322987 -
The
cube root of 21072817920 is 2762.1093725561
Scales and comparisons
How big is 21072817920?- 21,072,817,920 seconds is equal to 670 years, 2 weeks, 4 days, 8 hours, 32 minutes.
-
To count from 1 to 21,072,817,920 would take you about one thousand, three hundred forty 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 21072817920 cubic inches would be around 230.2 feet tall.
Recreational maths with 21072817920
- 21072817920 backwards is 02971827012
- The number of decimal digits it has is: 11
- The sum of 21072817920's digits is 39
- More coming soon!
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Numbermatics. (2024). Number 21072817920 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/21072817920/
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The information we have on file for 21072817920 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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