21032985922

Names of 21032985922

• Cardinal: 21032985922 can be written as Twenty-one billion, thirty-two million, nine hundred eighty-five thousand, nine hundred twenty-two.

Scientific notation

• Scientific notation: 2.1032985922 × 10¹⁰

Factors of 21032985922

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1322

Divisors of 21032985922

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 13 17 26 34 169 197 221 289 338 394 442 578 1093 2186 2561 2873 3349 3757 5122 5746 6698 7514 14209 18581 28418 33293 37162 43537 48841 56933 66586 87074 97682 113866 184717 215321 241553 315877 369434 430642 483106 565981 631754 740129 1131962 1480258 2799173 3140189 3660457 4106401 5598346 6280378 7320914 8212802 9621677 19243354 36389249 47585941 53383213 62227769 72778498 95171882 106766426 124455538 618617233 808960997 1237234466 1617921994 10516492961 21032985922
• Sum of all divisors σ(n): 36508436316
• Sum of proper divisors (its aliquot sum) s(n): 15475450394
• 21032985922 is a deficient number, because the sum of its proper divisors (15475450394) is less than itself. Its deficiency is 5557535528

Bases of 21032985922

• Binary: 10011100101101010011110010101000010₂
• Hexadecimal: 0x4E5A9E542
• Base-36: 9NUHVSY

Squares and roots of 21032985922

• 21032985922 squared (21032985922²) is 442386496795050190084
• 21032985922 cubed (21032985922³) is 9304708959173188767320195997448
• The square root of 21032985922 is 145027.5350476591
• The cube root of 21032985922 is 2760.3679549515

Scales and comparisons

• 21,032,985,922 seconds is equal to 668 years, 40 weeks, 5 days, 8 hours, 5 minutes, 22 seconds.
• To count from 1 to 21,032,985,922 would take you about one thousand, three hundred thirty-seven 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 21032985922 cubic inches would be around 230 feet tall.

Recreational maths with 21032985922

• 21032985922 backwards is 22958923012
• The number of decimal digits it has is: 11
• The sum of 21032985922's digits is 43
• More coming soon!