21135143915091349

Names of 21135143915091349

• Cardinal: 21135143915091349 can be written as Twenty-one quadrillion, one hundred thirty-five trillion, one hundred forty-three billion, nine hundred fifteen million, ninety-one thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 2.1135143915091349 × 10¹⁶

Factors of 21135143915091349

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 228

Divisors of 21135143915091349

• Number of divisors d(n): 128
• Complete list of divisors:
  1 11 13 73 131 143 169 803 949 1441 1703 1859 2197 5329 9563 10439 12337 17161 18733 22139 24167 58619 69277 105193 124319 135707 160381 188771 223093 243529 287807 389017 698099 762047 900601 1252753 1367509 1616147 1764191 2248091 2454023 2900209 3165877 4279187 5057221 7679089 9075287 9906611 11707813 13780283 16285789 17777617 21009911 24729001 29225183 31902299 37702717 50961227 55629431 65743873 91450969 99828157 117978731 128785943 164110643 179143679 211715257 231109021 321477013 379927379 414729887 560573497 662495951 723182603 854670349 1005960659 1188862597 1297766041 1533723503 1805217073 2133438359 2328867827 2752298341 4179201169 4939055927 6675920737 7287455461 8612447363 9401373839 11980076939 13077488567 15455213761 16870958533 23467821949 27734698667 30275281751 54329615197 73435128107 86786969581 94736920993 111961815719 131780846329 155741000207 170007351371 200917778893 305081685337 360551082671 874545616547 954656665391 1128230604553 1231579972909 1713151002277 2024633002691 2210095567823 3966061909381 9620001782017 11369093015111 12410536650083 14666997859189 22270963029601 26320229034983 125060023166221 147798209196443 161336976451079 289522519384813 1625780301160873 1921376719553759 21135143915091349
• Sum of all divisors σ(n): 25518724347916800
• Sum of proper divisors (its aliquot sum) s(n): 4383580432825451
• 21135143915091349 is a deficient number, because the sum of its proper divisors (4383580432825451) is less than itself. Its deficiency is 16751563482265898

Bases of 21135143915091349

• Binary: 1001011000101100100110100101001010101011111010110010101₂
• Hexadecimal: 0x4B164D2955F595
• Base-36: 5S3S72PSTJP

Squares and roots of 21135143915091349

• 21135143915091349 squared (21135143915091349²) is 446694308311622875747991014639801
• 21135143915091349 cubed (21135143915091349³) is 9440948492218335224509911804615769253157246181549
• The square root of 21135143915091349 is 145379310.4781122183
• The cube root of 21135143915091349 is 276482.9808794867

Scales and comparisons

• 21,135,143,915,091,349 seconds is equal to 672,032,201 years, 10 weeks, 5 days, 11 hours, 35 minutes, 49 seconds.
• To count from 1 to 21,135,143,915,091,349 would take you about two billion, sixteen million, ninety-six thousand, six hundred three 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 21135143915091349 cubic inches would be around 23040.2 feet tall.

Recreational maths with 21135143915091349

• 21135143915091349 backwards is 94319051934153112
• The number of decimal digits it has is: 17
• The sum of 21135143915091349's digits is 61
• More coming soon!