21138588414817992

Names of 21138588414817992

• Cardinal: 21138588414817992 can be written as Twenty-one quadrillion, one hundred thirty-eight trillion, five hundred eighty-eight billion, four hundred fourteen million, eight hundred seventeen thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1138588414817992 × 10¹⁶

Factors of 21138588414817992

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 15366

Divisors of 21138588414817992

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 729 972 1458 1944 2916 5832 15361 30722 46083 61444 92166 122888 138249 184332 276498 368664 414747 552996 829494 1105992 1244241 1658988 2488482 3317976 3732723 4976964 7465446 9953928 11198169 14930892 22396338 29861784 44792676 89585352 235960321 471920642 707880963 943841284 1415761926 1887682568 2123642889 2831523852 4247285778 5663047704 6370928667 8494571556 12741857334 16989143112 19112786001 25483714668 38225572002 50967429336 57338358003 76451144004 114676716006 152902288008 172015074009 229353432012 344030148018 458706864024 688060296036 1376120592072
• Sum of all divisors σ(n): 21141081115548705
• Sum of proper divisors (its aliquot sum) s(n): 2492700730713
• 21138588414817992 is a deficient number, because the sum of its proper divisors (2492700730713) is less than itself. Its deficiency is 21136095714087279

Bases of 21138588414817992

• Binary: 1001011000110010110111100100101100001001011011011001000₂
• Hexadecimal: 0x4B196F2584B6C8
• Base-36: 5S505GG04I0

Squares and roots of 21138588414817992

• 21138588414817992 squared (21138588414817992²) is 446839920171077427824558486912064
• 21138588414817992 cubed (21138588414817992³) is 9445565159806533693689713223445792953052669055488
• The square root of 21138588414817992 is 145391156.5908256747
• 21138588414817992 is a perfect cube number. Its cube root is 276498

Scales and comparisons

• 21,138,588,414,817,992 seconds is equal to 672,141,725 years, 33 weeks, 3 days, 11 hours, 13 minutes, 12 seconds.
• To count from 1 to 21,138,588,414,817,992 would take you about two billion, sixteen million, four hundred twenty-five thousand, one hundred seventy-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 21138588414817992 cubic inches would be around 23041.5 feet tall.

Recreational maths with 21138588414817992

• 21138588414817992 backwards is 29971841488583112
• 21138588414817992 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21138588414817992's digits is 81
• More coming soon!