21356121707216

Names of 21356121707216

• Cardinal: 21356121707216 can be written as Twenty-one trillion, three hundred fifty-six billion, one hundred twenty-one million, seven hundred seven thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1356121707216 × 10¹³

Factors of 21356121707216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3609

Divisors of 21356121707216

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 16 29 58 61 116 122 232 244 464 488 976 1769 3517 3538 3721 7034 7076 7442 14068 14152 14884 28136 28304 29768 56272 59536 101993 107909 203986 214537 215818 407972 429074 431636 815944 858148 863272 1631888 1716296 1726544 3432592 6221573 12369289 12443146 13086757 24738578 24886292 26173514 49477156 49772584 52347028 98954312 99545168 104694056 197908624 209388112 358709381 379515953 717418762 754526629 759031906 1434837524 1509053258 1518063812 2869675048 3018106516 3036127624 5739350096 6036213032 6072255248 12072426064 21881272241 43762544482 46026124369 87525088964 92052248738 175050177928 184104497476 350100355856 368208994952 736417989904 1334757606701 2669515213402 5339030426804 10678060853608 21356121707216
• Sum of all divisors σ(n): 43529885859330
• Sum of proper divisors (its aliquot sum) s(n): 22173764152114
• 21356121707216 is an abundant number, because the sum of its proper divisors (22173764152114) is greater than itself. Its abundance is 817642444898

Bases of 21356121707216

• Binary: 100110110110001011100000011000101001011010000₂
• Hexadecimal: 0x136C5C0C52D0
• Base-36: 7KIV7GRM8

Squares and roots of 21356121707216

• 21356121707216 squared (21356121707216²) is 456083934373422438426470656
• 21356121707216 cubed (21356121707216³) is 9740184011184724510985080146700247453696
• The square root of 21356121707216 is 4621268.4089128603
• The cube root of 21356121707216 is 27744.3228197799

Scales and comparisons

• 21,356,121,707,216 seconds is equal to 679,058 years, 31 weeks, 5 days, 13 hours, 46 minutes, 56 seconds.
• To count from 1 to 21,356,121,707,216 would take you about one million, six hundred ninety-seven thousand, six hundred forty-six 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 21356121707216 cubic inches would be around 2312 feet tall.

Recreational maths with 21356121707216

• 21356121707216 backwards is 61270712165312
• The number of decimal digits it has is: 14
• The sum of 21356121707216's digits is 44
• More coming soon!