21249151631312

Names of 21249151631312

• Cardinal: 21249151631312 can be written as Twenty-one trillion, two hundred forty-nine billion, one hundred fifty-one million, six hundred thirty-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1249151631312 × 10¹³

Factors of 21249151631312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 80435698

Divisors of 21249151631312

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 11 16 19 22 38 44 76 79 88 152 158 176 209 304 316 418 632 836 869 1264 1501 1672 1738 3002 3344 3476 6004 6952 12008 13904 16511 24016 33022 66044 132088 264176 80435587 160871174 321742348 643484696 884791457 1286969392 1528276153 1769582914 3056552306 3539165828 6113104612 6354411373 7078331656 12226209224 12708822746 14156663312 16811037683 24452418448 25417645492 33622075366 50835290984 67244150732 69898525103 101670581968 120733816087 134488301464 139797050206 241467632174 268976602928 279594100412 482935264348 559188200824 965870528696 1118376401648 1328071976957 1931741057392 2656143953914 5312287907828 10624575815656 21249151631312
• Sum of all divisors σ(n): 47875261977600
• Sum of proper divisors (its aliquot sum) s(n): 26626110346288
• 21249151631312 is an abundant number, because the sum of its proper divisors (26626110346288) is greater than itself. Its abundance is 5376958714976

Bases of 21249151631312

• Binary: 100110101001101110100001000100111111111010000₂
• Hexadecimal: 0x135374227FD0
• Base-36: 7J5Q48SSW

Squares and roots of 21249151631312

• 21249151631312 squared (21249151631312²) is 451526445050489430778841344
• 21249151631312 cubed (21249151631312³) is 9594553896425115616238230847550830563328
• The square root of 21249151631312 is 4609680.2092240629
• The cube root of 21249151631312 is 27697.9226770939

Scales and comparisons

• 21,249,151,631,312 seconds is equal to 675,657 years, 15 weeks, 1 day, 23 hours, 48 minutes, 32 seconds.
• To count from 1 to 21,249,151,631,312 would take you about one million, six hundred eighty-nine thousand, one hundred forty-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 21249151631312 cubic inches would be around 2308.2 feet tall.

Recreational maths with 21249151631312

• 21249151631312 backwards is 21313615194212
• The number of decimal digits it has is: 14
• The sum of 21249151631312's digits is 41
• More coming soon!