21321786472704

Names of 21321786472704

• Cardinal: 21321786472704 can be written as Twenty-one trillion, three hundred twenty-one billion, seven hundred eighty-six million, four hundred seventy-two thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1321786472704 × 10¹³

Factors of 21321786472704

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 96204

Divisors of 21321786472704

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 96199 192398 288597 384796 577194 769592 865791 1154388 1539184 1731582 2308776 3078368 3463164 4617552 6156736 6926328 9235104 12313472 13852656 18470208 24626944 27705312 36940416 55410624 73880832 110821248 221642496 9254247601 18508495202 27762742803 37016990404 55525485606 74033980808 83288228409 111050971212 148067961616 166576456818 222101942424 296135923232 333152913636 444203884848 592271846464 666305827272 888407769696 1184543692928 1332611654544 1776815539392 2369087385856 2665223309088 3553631078784 5330446618176 7107262157568 10660893236352 21321786472704
• Sum of all divisors σ(n): 61476605870043
• Sum of proper divisors (its aliquot sum) s(n): 40154819397339
• 21321786472704 is an abundant number, because the sum of its proper divisors (40154819397339) is greater than itself. Its abundance is 18833032924635

Bases of 21321786472704

• Binary: 100110110010001011101100000100011100100000000₂
• Hexadecimal: 0x13645D823900
• Base-36: 7K33D5J40

Squares and roots of 21321786472704

• 21321786472704 squared (21321786472704²) is 454618578387583282137071616
• 21321786472704 cubed (21321786472704³) is 9693280254904296277028431462348477169664
• 21321786472704 is a perfect square number. Its square root is 4617552
• The cube root of 21321786472704 is 27729.4462297119

Scales and comparisons

• 21,321,786,472,704 seconds is equal to 677,966 years, 44 weeks, 4 days, 38 minutes, 24 seconds.
• To count from 1 to 21,321,786,472,704 would take you about one million, six hundred ninety-four thousand, nine hundred seventeen 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 21321786472704 cubic inches would be around 2310.8 feet tall.

Recreational maths with 21321786472704

• 21321786472704 backwards is 40727468712312
• The number of decimal digits it has is: 14
• The sum of 21321786472704's digits is 54
• More coming soon!