21339970492672

Names of 21339970492672

• Cardinal: 21339970492672 can be written as Twenty-one trillion, three hundred thirty-nine billion, nine hundred seventy million, four hundred ninety-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1339970492672 × 10¹³

Factors of 21339970492672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 13455

Divisors of 21339970492672

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 13 16 26 32 47 52 64 79 94 104 128 131 158 188 208 256 262 316 376 416 524 611 632 752 832 1027 1048 1222 1264 1504 1664 1703 2054 2096 2444 2528 3008 3328 3406 3713 4108 4192 4888 5056 6016 6157 6812 7426 8216 8384 9776 10112 10349 12032 12314 13183 13624 14852 16432 16768 19552 20224 20698 24628 26366 27248 29704 32864 33536 39104 41396 48269 49256 52732 54496 59408 65728 78208 80041 82792 96538 98512 105464 108992 118816 131456 134537 156416 160082 165584 171379 193076 197024 210928 217984 237632 262912 269074 320164 331168 342758 386152 394048 421856 435968 475264 486403 538148 619601 640328 662336 685516 772304 788096 843712 950528 972806 1041457 1076296 1239202 1280656 1324672 1371032 1544608 1576192 1687424 1726973 1945612 2082914 2152592 2478404 2561312 2649344 2742064 3089216 3374848 3453946 3891224 4165828 4305184 4956808 5122624 5484128 6178432 6323239 6907892 7782448 8054813 8331656 8610368 9913616 10245248 10968256 12356864 12646478 13538941 13815784 15564896 16109626 16663312 17220736 19827232 20490496 21936512 22450649 25292956 27077882 27631568 31129792 32219252 33326624 34441472 39654464 43873024 44901298 48948479 50585912 54155764 55263136 62259584 64438504 66653248 79308928 81167731 89802596 97896958 101171824 108311528 110526272 124519168 128877008 133306496 136430867 158617856 162335462 179605192 195793916 202343648 216623056 221052544 257754016 266612992 272861734 324670924 359210384 391587832 404687296 433246112 442105088 515508032 545723468 636330227 649341848 718420768 783175664 809374592 866492224 1031016064 1055180503 1091446936 1272660454 1298683696 1436841536 1566351328 1618749184 1732984448 1773601271 2062032128 2110361006 2182893872 2545320908 2597367392 2873683072 3132702656 3465968896 3547202542 4220722012 4365787744 5090641816 5194734784 5747366144 6265405312 6412250749 7094405084 8441444024 8731575488 10181283632 10389469568 12530810624 12824501498 14188810168 16882888048 17463150976 20362567264 20778939136 25649002996 28377620336 33765776096 34926301952 40725134528 51298005992 56755240672 67531552192 81450269056 83359259737 102596011984 113510481344 135063104384 162900538112 166718519474 205192023968 227020962688 270126208768 333437038948 410384047936 454041925376 666874077896 820768095872 1333748155792 1641536191744 2667496311584 5334992623168 10669985246336 21339970492672
• Sum of all divisors σ(n): 47808078151680
• Sum of proper divisors (its aliquot sum) s(n): 26468107659008
• 21339970492672 is an abundant number, because the sum of its proper divisors (26468107659008) is greater than itself. Its abundance is 5128137166336

Bases of 21339970492672

• Binary: 100110110100010011001010111000101100100000000₂
• Hexadecimal: 0x1368995C5900
• Base-36: 7KBG3G6PS

Squares and roots of 21339970492672

• 21339970492672 squared (21339970492672²) is 455394340628111642405699584
• 21339970492672 cubed (21339970492672³) is 9718101791533724191521376038873305448448
• The square root of 21339970492672 is 4619520.5912163657
• The cube root of 21339970492672 is 27737.3268940827

Scales and comparisons

• 21,339,970,492,672 seconds is equal to 678,545 years, 2 weeks, 5 days, 5 hours, 17 minutes, 52 seconds.
• To count from 1 to 21,339,970,492,672 would take you about one million, six hundred ninety-six thousand, three hundred sixty-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 21339970492672 cubic inches would be around 2311.4 feet tall.

Recreational maths with 21339970492672

• 21339970492672 backwards is 27629407993312
• 21339970492672 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21339970492672's digits is 64
• More coming soon!