21073409364

Names of 21073409364

• Cardinal: 21073409364 can be written as Twenty-one billion, seventy-three million, four hundred nine thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 2.1073409364 × 10¹⁰

Factors of 21073409364

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 396

Divisors of 21073409364

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 337 564 658 674 987 1011 1316 1348 1974 2022 2209 2359 3948 4044 4418 4718 6627 7077 8836 9436 13254 14154 15463 15839 26508 28308 30926 31678 46389 47517 61852 63356 92778 95034 110873 113569 185556 190068 221746 227138 332619 340707 443492 454276 665238 681414 744433 794983 1330476 1362828 1488866 1589966 2233299 2384949 2977732 3179932 4466598 4769898 5211031 5337743 8933196 9539796 10422062 10675486 15633093 16013229 20844124 21350972 31266186 32026458 37364201 62532372 64052916 74728402 112092603 149456804 224185206 250873921 448370412 501747842 752621763 1003495684 1505243526 1756117447 3010487052 3512234894 5268352341 7024469788 10536704682 21073409364
• Sum of all divisors σ(n): 57587734176
• Sum of proper divisors (its aliquot sum) s(n): 36514324812
• 21073409364 is an abundant number, because the sum of its proper divisors (36514324812) is greater than itself. Its abundance is 15440915448

Bases of 21073409364

• Binary: 10011101000000100101011010101010100₂
• Hexadecimal: 0x4E812B554
• Base-36: 9OIKAQC

Squares and roots of 21073409364

• 21073409364 squared (21073409364²) is 444088582222722884496
• 21073409364 cubed (21073409364³) is 9358460487057812367715096820544
• The square root of 21073409364 is 145166.8328648111
• The cube root of 21073409364 is 2762.1352133925

Scales and comparisons

• 21,073,409,364 seconds is equal to 670 years, 3 weeks, 4 days, 4 hours, 49 minutes, 24 seconds.
• To count from 1 to 21,073,409,364 would take you about one thousand, three hundred forty 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 21073409364 cubic inches would be around 230.2 feet tall.

Recreational maths with 21073409364

• 21073409364 backwards is 46390437012
• The number of decimal digits it has is: 11
• The sum of 21073409364's digits is 39
• More coming soon!