21133752640

Names of 21133752640

• Cardinal: 21133752640 can be written as Twenty-one billion, one hundred thirty-three million, seven hundred fifty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.113375264 × 10¹⁰

Factors of 21133752640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3936

Divisors of 21133752640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 17 20 22 26 28 32 34 35 40 44 52 55 56 64 65 68 70 77 80 85 88 91 104 110 112 119 130 136 140 143 154 160 170 176 182 187 208 220 221 224 238 260 272 280 286 308 320 340 352 364 374 385 416 440 442 448 455 476 520 544 560 572 595 616 680 704 715 728 748 770 832 880 884 910 935 952 1001 1040 1088 1105 1120 1144 1190 1232 1309 1360 1430 1456 1496 1540 1547 1760 1768 1820 1870 1904 2002 2080 2210 2240 2288 2380 2431 2464 2618 2720 2860 2912 2992 3080 3094 3520 3536 3640 3740 3808 3881 4004 4160 4420 4576 4760 4862 4928 5005 5236 5440 5720 5824 5984 6160 6188 6545 7072 7280 7480 7616 7735 7762 8008 8840 9152 9520 9724 10010 10472 11440 11968 12155 12320 12376 13090 14144 14560 14960 15470 15524 16016 17017 17680 19040 19405 19448 20020 20944 22880 24310 24640 24752 26180 27167 29120 29920 30940 31048 32032 34034 35360 38080 38810 38896 40040 41888 42691 45760 48620 49504 50453 52360 54334 59840 61880 62096 64064 65977 68068 70720 77620 77792 80080 83776 85085 85382 97240 99008 100906 104720 108668 123760 124192 131954 135835 136136 155240 155584 160160 170170 170764 194480 201812 209440 213455 217336 247520 248384 252265 263908 271670 272272 298837 310480 320320 329885 340340 341528 353171 388960 403624 418880 426910 434672 461839 495040 504530 527816 543340 544544 554983 597674 620960 659770 680680 683056 706342 725747 777920 807248 853820 857701 869344 923678 1009060 1055632 1086680 1089088 1109966 1195348 1241920 1319540 1361360 1366112 1412684 1451494 1494185 1614496 1707640 1715402 1738688 1765855 1847356 2018120 2111264 2173360 2219932 2309195 2390696 2639080 2722720 2732224 2774915 2825368 2902988 2988370 3228992 3415280 3430804 3531710 3628735 3694712 3884881 4036240 4222528 4288505 4346720 4439864 4618390 4781392 5080229 5278160 5445440 5549830 5650736 5805976 5976740 6003907 6830560 6861608 7063420 7257470 7389424 7769762 8072480 8577010 8693440 8879728 9236780 9434711 9562784 10160458 10556320 11099660 11301472 11611952 11953480 12007814 13661120 13723216 14126840 14514940 14778848 15539524 16144960 17154020 17759456 18473560 18869422 19125568 19424405 20320916 21112640 22199320 22602944 23223904 23906960 24015628 25401145 27446432 28253680 29029880 29557696 30019535 31079048 34308040 35518912 36947120 37738844 38848810 40641832 44398640 46447808 47173555 47813920 48031256 50802290 54892864 56507360 58059760 60039070 62158096 66042977 68616080 73894240 75477688 77697620 81283664 88797280 94347110 95627840 96062512 101604580 113014720 116119520 120078140 124316192 132085954 137232160 147788480 150955376 155395240 162567328 177594560 188694220 192125024 203209160 232239040 240156280 248632384 264171908 274464320 301910752 310790480 325134656 330214885 377388440 384250048 406418320 480312560 528343816 603821504 621580960 660429770 754776880 812836640 960625120 1056687632 1243161920 1320859540 1509553760 1625673280 1921250240 2113375264 2641719080 3019107520 4226750528 5283438160 10566876320 21133752640
• Sum of all divisors σ(n): 71561968128
• Sum of proper divisors (its aliquot sum) s(n): 50428215488
• 21133752640 is an abundant number, because the sum of its proper divisors (50428215488) is greater than itself. Its abundance is 29294462848

Bases of 21133752640

• Binary: 10011101011101010110111100101000000₂
• Hexadecimal: 0x4EBAB7940
• Base-36: 9PIHNWG

Squares and roots of 21133752640

• 21133752640 squared (21133752640²) is 446635500648706969600
• 21133752640 cubed (21133752640³) is 9439084190952332631370399744000
• The square root of 21133752640 is 145374.5254162503
• The cube root of 21133752640 is 2764.7691401239

Scales and comparisons

• 21,133,752,640 seconds is equal to 671 years, 51 weeks, 2 days, 14 hours, 50 minutes, 40 seconds.
• To count from 1 to 21,133,752,640 would take you about one thousand, three hundred forty-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 21133752640 cubic inches would be around 230.4 feet tall.

Recreational maths with 21133752640

• 21133752640 backwards is 04625733112
• 21133752640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21133752640's digits is 34
• More coming soon!