21437476944

Names of 21437476944

• Cardinal: 21437476944 can be written as Twenty-one billion, four hundred thirty-seven million, four hundred seventy-six thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 2.1437476944 × 10¹⁰

Factors of 21437476944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4266

Divisors of 21437476944

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 169 208 312 338 507 624 676 757 1014 1352 1514 2028 2271 2704 3028 3491 4056 4542 6056 6982 8112 9084 9841 10473 12112 13964 18168 19682 20946 27928 29523 36336 39364 41892 45383 55856 59046 78728 83784 90766 118092 127933 136149 157456 167568 181532 236184 255866 272298 363064 383799 472368 511732 544596 589979 726128 767598 1023464 1089192 1179958 1535196 1769937 2046928 2178384 2359916 2642687 3070392 3539874 4719832 5285374 6140784 7079748 7928061 9439664 10570748 14159496 15856122 21141496 28318992 31712244 34354931 42282992 63424488 68709862 103064793 126848976 137419724 206129586 274839448 412259172 446614103 549678896 824518344 893228206 1339842309 1649036688 1786456412 2679684618 3572912824 5359369236 7145825648 10718738472 21437476944
• Sum of all divisors σ(n): 60064271712
• Sum of proper divisors (its aliquot sum) s(n): 38626794768
• 21437476944 is an abundant number, because the sum of its proper divisors (38626794768) is greater than itself. Its abundance is 17189317824

Bases of 21437476944

• Binary: 10011111101110001011111000001010000₂
• Hexadecimal: 0x4FDC5F050
• Base-36: 9UJBJ2O

Squares and roots of 21437476944

• 21437476944 squared (21437476944²) is 459565417724531579136
• 21437476944 cubed (21437476944³) is 9851923046729374670927911440384
• The square root of 21437476944 is 146415.4259086111
• The cube root of 21437476944 is 2777.9508450495

Scales and comparisons

• 21,437,476,944 seconds is equal to 681 years, 33 weeks, 3 days, 22 hours, 42 minutes, 24 seconds.
• To count from 1 to 21,437,476,944 would take you about one thousand, three hundred sixty-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 21437476944 cubic inches would be around 231.5 feet tall.

Recreational maths with 21437476944

• 21437476944 backwards is 44967473412
• The number of decimal digits it has is: 11
• The sum of 21437476944's digits is 51
• More coming soon!