21940381320

Names of 21940381320

• Cardinal: 21940381320 can be written as Twenty-one billion, nine hundred forty million, three hundred eighty-one thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.194038132 × 10¹⁰

Factors of 21940381320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3492

Divisors of 21940381320

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 20 22 24 26 30 33 39 40 44 52 55 60 65 66 78 88 104 110 120 130 132 143 156 165 195 220 260 264 286 312 330 390 421 429 440 520 572 660 715 780 842 858 1144 1263 1320 1430 1560 1684 1716 2105 2145 2526 2860 3037 3368 3432 4210 4290 4631 5052 5473 5720 6074 6315 8420 8580 9111 9262 10104 10946 12148 12630 13893 15185 16419 16840 17160 18222 18524 21892 23155 24296 25260 27365 27786 30370 32838 33407 36444 37048 39481 43784 45555 46310 50520 54730 55572 60203 60740 65676 66814 69465 72888 78962 82095 91110 92620 100221 109460 111144 118443 120406 121480 131352 133628 138930 157924 164190 167035 180609 182220 185240 197405 200442 218920 236886 240812 267256 277860 301015 315848 328380 334070 361218 364440 394810 400884 434291 473772 481624 501105 555720 592215 602030 656760 668140 722436 789620 801768 868582 903045 947544 1002210 1184430 1204060 1278577 1302873 1336280 1444872 1579240 1737164 1806090 2004420 2171455 2368860 2408120 2557154 2605746 3474328 3612180 3835731 4008840 4342910 4737720 5114308 5211492 6392885 6514365 7224360 7671462 8685820 10228616 10422984 12785770 13028730 14064347 15342924 16621501 17371640 19178655 25571540 26057460 28128694 30685848 33243002 38357310 42193041 49864503 51143080 52114920 56257388 66486004 70321735 76714620 83107505 84386082 99729006 112514776 132972008 140643470 153429240 166215010 168772164 182836511 199458012 210965205 249322515 281286940 332430020 337544328 365673022 398916024 421930410 498645030 548509533 562573880 664860040 731346044 843860820 914182555 997290060 1097019066 1462692088 1687721640 1828365110 1994580120 2194038132 2742547665 3656730220 4388076264 5485095330 7313460440 10970190660 21940381320
• Sum of all divisors σ(n): 77537537280
• Sum of proper divisors (its aliquot sum) s(n): 55597155960
• 21940381320 is an abundant number, because the sum of its proper divisors (55597155960) is greater than itself. Its abundance is 33656774640

Bases of 21940381320

• Binary: 10100011011101111111010011010001000₂
• Hexadecimal: 0x51BBFA688
• Base-36: A2UQIKO

Squares and roots of 21940381320

• 21940381320 squared (21940381320²) is 481380332467004942400
• 21940381320 cubed (21940381320³) is 10561668054274464754580635968000
• The square root of 21940381320 is 148122.8588706011
• The cube root of 21940381320 is 2799.5059213249

Scales and comparisons

• 21,940,381,320 seconds is equal to 697 years, 33 weeks, 14 hours, 22 minutes.
• To count from 1 to 21,940,381,320 would take you about one thousand, three hundred ninety-five 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 21940381320 cubic inches would be around 233.3 feet tall.

Recreational maths with 21940381320

• 21940381320 backwards is 02318304912
• 21940381320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21940381320's digits is 33
• More coming soon!