21125491237360

Names of 21125491237360

• Cardinal: 21125491237360 can be written as Twenty-one trillion, one hundred twenty-five billion, four hundred ninety-one million, two hundred thirty-seven thousand, three hundred sixty.

Scientific notation

• Scientific notation: 2.112549123736 × 10¹³

Factors of 21125491237360

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 630920

Divisors of 21125491237360

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 163 326 652 815 1304 1630 2579 2608 3260 5158 6520 10316 12895 13040 20632 25790 41264 51580 103160 206320 420377 628171 840754 1256342 1681508 2101885 2512684 3140855 3363016 4203770 5025368 6281710 6726032 8407540 10050736 12563420 16815080 25126840 33630160 50253680 102391873 204783746 409567492 511959365 819134984 1023918730 1620053009 1638269968 2047837460 3240106018 4095674920 6480212036 8100265045 8191349840 12960424072 16200530090 25920848144 32401060180 64802120360 129604240720 264068640467 528137280934 1056274561868 1320343202335 2112549123736 2640686404670 4225098247472 5281372809340 10562745618680 21125491237360
• Sum of all divisors σ(n): 49437337415040
• Sum of proper divisors (its aliquot sum) s(n): 28311846177680
• 21125491237360 is an abundant number, because the sum of its proper divisors (28311846177680) is greater than itself. Its abundance is 7186354940320

Bases of 21125491237360

• Binary: 100110011011010101001011001101010000111110000₂
• Hexadecimal: 0x1336A966A1F0
• Base-36: 7HKX01E5S

Squares and roots of 21125491237360

• 21125491237360 squared (21125491237360²) is 446286380019774143859769600
• 21125491237360 cubed (21125491237360³) is 9428019010460853659635858733428512256000
• The square root of 21125491237360 is 4596247.5169816517
• The cube root of 21125491237360 is 27644.0883421373

Scales and comparisons

• 21,125,491,237,360 seconds is equal to 671,725 years, 14 weeks, 2 days, 10 hours, 22 minutes, 40 seconds.
• To count from 1 to 21,125,491,237,360 would take you about one million, six hundred seventy-nine thousand, three hundred thirteen 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 21125491237360 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21125491237360

• 21125491237360 backwards is 06373219452112
• The number of decimal digits it has is: 14
• The sum of 21125491237360's digits is 46
• More coming soon!