21580731312

Names of 21580731312

• Cardinal: 21580731312 can be written as Twenty-one billion, five hundred eighty million, seven hundred thirty-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1580731312 × 10¹⁰

Factors of 21580731312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 226

Divisors of 21580731312

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 47 48 49 56 84 94 98 112 141 147 167 168 188 196 282 294 329 334 336 343 376 392 501 564 588 658 668 686 752 784 987 1002 1029 1128 1169 1176 1316 1336 1372 1974 2004 2058 2256 2303 2338 2352 2632 2672 2744 3507 3948 4008 4116 4606 4676 5264 5488 6909 7014 7849 7896 8016 8183 8232 9212 9352 13818 14028 15698 15792 16121 16366 16464 18424 18704 23547 24549 27636 27889 28056 31396 32242 32732 36848 47094 48363 49098 54943 55272 55778 56112 57281 62792 64484 65464 83667 94188 96726 98196 109886 110544 111556 114562 125584 128968 130928 164829 167334 171843 188376 193452 195223 196392 219772 223112 229124 257936 329658 334668 343686 376752 384601 386904 390446 392784 439544 446224 458248 585669 659316 669336 687372 769202 773808 780892 879088 916496 1153803 1171338 1310783 1318632 1338672 1366561 1374744 1538404 1561784 2307606 2342676 2621566 2637264 2692207 2733122 2749488 3076808 3123568 3932349 4099683 4615212 4685352 5243132 5384414 5466244 6153616 7864698 8076621 8199366 9175481 9230424 9370704 9565927 10486264 10768828 10932488 15729396 16153242 16398732 18350962 18460848 19131854 20972528 21537656 21864976 27526443 28697781 31458792 32306484 32797464 36701924 38263708 43075312 55052886 57395562 62917584 64228367 64612968 65594928 73403848 76527416 110105772 114791124 128456734 129225936 146807696 153054832 192685101 220211544 229582248 256913468 385370202 440423088 449598569 459164496 513826936 770740404 899197138 1027653872 1348795707 1541480808 1798394276 2697591414 3082961616 3596788552 5395182828 7193577104 10790365656 21580731312
• Sum of all divisors σ(n): 66798105600
• Sum of proper divisors (its aliquot sum) s(n): 45217374288
• 21580731312 is an abundant number, because the sum of its proper divisors (45217374288) is greater than itself. Its abundance is 23636642976

Bases of 21580731312

• Binary: 10100000110010011111101001110110000₂
• Hexadecimal: 0x5064FD3B0
• Base-36: 9WWLYUO

Squares and roots of 21580731312

• 21580731312 squared (21580731312²) is 465727963960737241344
• 21580731312 cubed (21580731312³) is 10050750054721489722876961763328
• The square root of 21580731312 is 146903.8165331317
• The cube root of 21580731312 is 2784.1249303991

Scales and comparisons

• 21,580,731,312 seconds is equal to 686 years, 10 weeks, 2 days, 23 hours, 35 minutes, 12 seconds.
• To count from 1 to 21,580,731,312 would take you about one thousand, three hundred seventy-two 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 21580731312 cubic inches would be around 232 feet tall.

Recreational maths with 21580731312

• 21580731312 backwards is 21313708512
• The number of decimal digits it has is: 11
• The sum of 21580731312's digits is 33
• More coming soon!