21096123840

Names of 21096123840

• Cardinal: 21096123840 can be written as Twenty-one billion, ninety-six million, one hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.109612384 × 10¹⁰

Factors of 21096123840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3401

Divisors of 21096123840

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 67 72 80 88 90 96 99 108 110 120 132 134 135 144 160 165 176 180 192 198 201 216 220 240 264 268 270 288 297 320 330 335 352 360 396 402 432 440 480 495 528 536 540 576 594 603 660 670 704 720 737 792 804 864 880 960 990 1005 1056 1072 1080 1188 1206 1320 1340 1440 1474 1485 1584 1608 1728 1760 1809 1980 2010 2112 2144 2160 2211 2376 2412 2640 2680 2880 2948 2970 3015 3168 3216 3313 3520 3618 3685 3960 4020 4288 4320 4422 4752 4824 5280 5360 5896 5940 6030 6336 6432 6626 6633 7236 7370 7920 8040 8640 8844 9045 9504 9648 9939 10560 10720 11055 11792 11880 12060 12864 13252 13266 14472 14740 15840 16080 16565 17688 18090 19008 19296 19878 19899 21440 22110 23584 23760 24120 26504 26532 28944 29480 29817 31680 32160 33130 33165 35376 36180 36443 38592 39756 39798 44220 47168 47520 48240 49695 53008 53064 57888 58960 59634 64320 66260 66330 70752 72360 72886 79512 79596 88440 89451 95040 96480 99390 99495 106016 106128 109329 115776 117920 119268 132520 132660 141504 144720 145772 149085 159024 159192 176880 178902 182215 192960 198780 198990 212032 212256 218658 221971 235840 238536 265040 265320 289440 291544 298170 318048 318384 327987 353760 357804 364430 397560 397980 424512 437316 443942 447255 477072 530080 530640 546645 578880 583088 596340 636096 636768 655974 665913 707520 715608 728860 795120 795960 874632 887884 894510 954144 983961 1060160 1061280 1093290 1109855 1166176 1192680 1273536 1311948 1331826 1431216 1457720 1590240 1591920 1639935 1749264 1775768 1789020 1908288 1967922 1997739 2122560 2186580 2219710 2332352 2385360 2441681 2623896 2663652 2862432 2915440 3180480 3183840 3279870 3329565 3498528 3551536 3578040 3935844 3995478 4373160 4439420 4770720 4883362 4919805 5247792 5327304 5724864 5830880 5993217 6367680 6559740 6659130 6997056 7103072 7156080 7325043 7871688 7990956 8746320 8878840 9541440 9766724 9839610 9988695 10495584 10654608 11661760 11986434 12208405 13119480 13318260 14206144 14312160 14650086 15743376 15981912 17492640 17757680 19533448 19679220 19977390 20991168 21309216 21975129 23972868 24416810 26238960 26636520 28624320 29300172 29966085 31486752 31963824 34985280 35515360 36625215 39066896 39358440 39954780 42618432 43950258 47945736 48833620 52477920 53273040 58600344 59932170 62973504 63927648 65925387 71030720 73250430 78133792 78716880 79909560 87900516 95891472 97667240 104955840 106546080 109875645 117200688 119864340 127855296 131850774 146500860 156267584 157433760 159819120 175801032 191782944 195334480 213092160 219751290 234401376 239728680 263701548 293001720 314867520 319638240 329626935 351602064 383565888 390668960 439502580 468802752 479457360 527403096 586003440 639276480 659253870 703204128 781337920 879005160 958914720 1054806192 1172006880 1318507740 1406408256 1758010320 1917829440 2109612384 2344013760 2637015480 3516020640 4219224768 5274030960 7032041280 10548061920 21096123840
• Sum of all divisors σ(n): 82424747520
• Sum of proper divisors (its aliquot sum) s(n): 61328623680
• 21096123840 is an abundant number, because the sum of its proper divisors (61328623680) is greater than itself. Its abundance is 40232499840

Bases of 21096123840

• Binary: 10011101001011011010100110111000000₂
• Hexadecimal: 0x4E96D4DC0
• Base-36: 9OW35C0

Squares and roots of 21096123840

• 21096123840 squared (21096123840²) is 445046441072616345600
• 21096123840 cubed (21096123840³) is 9388754835419176859585839104000
• The square root of 21096123840 is 145245.0475575673
• The cube root of 21096123840 is 2763.1272681083

Scales and comparisons

• 21,096,123,840 seconds is equal to 670 years, 41 weeks, 1 day, 2 hours, 24 minutes.
• To count from 1 to 21,096,123,840 would take you about one thousand, three hundred forty-one 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 21096123840 cubic inches would be around 230.3 feet tall.

Recreational maths with 21096123840

• 21096123840 backwards is 04832169012
• 21096123840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21096123840's digits is 36
• More coming soon!