21425958140

Names of 21425958140

• Cardinal: 21425958140 can be written as Twenty-one billion, four hundred twenty-five million, nine hundred fifty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.142595814 × 10¹⁰

Factors of 21425958140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6713

Divisors of 21425958140

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 31 62 67 79 124 134 155 158 268 310 316 335 395 620 670 790 1340 1580 2077 2449 4154 4898 5293 6529 8308 9796 10385 10586 12245 13058 20770 21172 24490 26116 26465 32645 41540 48980 52930 65290 105860 130580 164083 202399 328166 404798 437443 515791 656332 809596 820415 874886 1011995 1031582 1640830 1749772 2023990 2063164 2187215 2578955 3281660 4047980 4374430 5157910 8748860 10315820 13560733 15989521 27121466 31979042 34557997 54242932 63958084 67803665 69115994 79947605 135607330 138231988 159895210 172789985 271214660 319790420 345579970 691159940 1071297907 2142595814 4285191628 5356489535 10712979070 21425958140
• Sum of all divisors σ(n): 47743180800
• Sum of proper divisors (its aliquot sum) s(n): 26317222660
• 21425958140 is an abundant number, because the sum of its proper divisors (26317222660) is greater than itself. Its abundance is 4891264520

Bases of 21425958140

• Binary: 10011111101000101100010110011111100₂
• Hexadecimal: 0x4FD162CFC
• Base-36: 9UCGN3W

Squares and roots of 21425958140

• 21425958140 squared (21425958140²) is 459071682217032259600
• 21425958140 cubed (21425958140³) is 9836050646441515589219213144000
• The square root of 21425958140 is 146376.0845903457
• The cube root of 21425958140 is 2777.4532055765

Scales and comparisons

• 21,425,958,140 seconds is equal to 681 years, 14 weeks, 3 days, 15 hours, 2 minutes, 20 seconds.
• To count from 1 to 21,425,958,140 would take you about one thousand, three hundred sixty-two 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 21425958140 cubic inches would be around 231.5 feet tall.

Recreational maths with 21425958140

• 21425958140 backwards is 04185952412
• The number of decimal digits it has is: 11
• The sum of 21425958140's digits is 41
• More coming soon!