20728604376

Names of 20728604376

• Cardinal: 20728604376 can be written as Twenty billion, seven hundred twenty-eight million, six hundred four thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.0728604376 × 10¹⁰

Factors of 20728604376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 611

Divisors of 20728604376

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 163 216 324 326 443 489 648 652 886 978 1304 1329 1467 1772 1956 2658 2934 3544 3912 3987 4401 5316 5868 7974 8802 10632 11736 11961 13203 15948 17604 23922 26406 31896 35208 35883 47844 52812 71766 72209 95688 105624 143532 144418 196249 216627 287064 288836 392498 433254 577672 588747 649881 784996 866508 1177494 1299762 1569992 1733016 1766241 1949643 2354988 2599524 3532482 3899286 4709976 5199048 5298723 5848929 7064964 7798572 10597446 11697858 14129928 15597144 15896169 21194892 23395716 31792338 31988587 42389784 46791432 63584676 63977174 95965761 127169352 127954348 191931522 255908696 287897283 383863044 575794566 767726088 863691849 1151589132 1727383698 2303178264 2591075547 3454767396 5182151094 6909534792 10364302188 20728604376
• Sum of all divisors σ(n): 58547638380
• Sum of proper divisors (its aliquot sum) s(n): 37819034004
• 20728604376 is an abundant number, because the sum of its proper divisors (37819034004) is greater than itself. Its abundance is 17090429628

Bases of 20728604376

• Binary: 10011010011100001010110011011011000₂
• Hexadecimal: 0x4D38566D8
• Base-36: 9IT9XI0

Squares and roots of 20728604376

• 20728604376 squared (20728604376²) is 429675039376726349376
• 20728604376 cubed (20728604376³) is 8906563901482382118229858469376
• The square root of 20728604376 is 143974.3184599253
• The cube root of 20728604376 is 2746.9875276993

Scales and comparisons

• 20,728,604,376 seconds is equal to 659 years, 5 weeks, 3 days, 9 hours, 39 minutes, 36 seconds.
• To count from 1 to 20,728,604,376 would take you about one thousand, three hundred eighteen 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 20728604376 cubic inches would be around 228.9 feet tall.

Recreational maths with 20728604376

• 20728604376 backwards is 67340682702
• The number of decimal digits it has is: 11
• The sum of 20728604376's digits is 45
• More coming soon!