20471790040

Names of 20471790040

• Cardinal: 20471790040 can be written as Twenty billion, four hundred seventy-one million, seven hundred ninety thousand and forty.

Scientific notation

• Scientific notation: 2.047179004 × 10¹⁰

Factors of 20471790040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2129

Divisors of 20471790040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 65 73 104 130 146 260 292 313 365 520 584 626 730 949 1252 1460 1565 1723 1898 2504 2920 3130 3446 3796 4069 4745 6260 6892 7592 8138 8615 9490 12520 13784 16276 17230 18980 20345 22399 22849 32552 34460 37960 40690 44798 45698 68920 81380 89596 91396 111995 114245 125779 162760 179192 182792 223990 228490 251558 297037 447980 456980 503116 539299 594074 628895 895960 913960 1006232 1078598 1188148 1257790 1485185 1635127 2157196 2376296 2515580 2696495 2970370 3270254 4314392 5031160 5392990 5940740 6540508 7010887 8175635 10785980 11881480 13081016 14021774 16351270 21571960 28043548 32702540 35054435 39368827 56087096 65405080 70108870 78737654 140217740 157475308 196844135 280435480 314950616 393688270 511794751 787376540 1023589502 1574753080 2047179004 2558973755 4094358008 5117947510 10235895020 20471790040
• Sum of all divisors σ(n): 50474168640
• Sum of proper divisors (its aliquot sum) s(n): 30002378600
• 20471790040 is an abundant number, because the sum of its proper divisors (30002378600) is greater than itself. Its abundance is 9530588560

Bases of 20471790040

• Binary: 10011000100001101101011100111011000₂
• Hexadecimal: 0x4C436B9D8
• Base-36: 9EKDIAG

Squares and roots of 20471790040

• 20471790040 squared (20471790040²) is 419094187441843201600
• 20471790040 cubed (20471790040³) is 8579608212293818733756592064000
• The square root of 20471790040 is 143079.6632649099
• The cube root of 20471790040 is 2735.5958711801

Scales and comparisons

• 20,471,790,040 seconds is equal to 650 years, 48 weeks, 6 days, 20 minutes, 40 seconds.
• To count from 1 to 20,471,790,040 would take you about one thousand, three hundred one 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 20471790040 cubic inches would be around 228 feet tall.

Recreational maths with 20471790040

• 20471790040 backwards is 04009717402
• The number of decimal digits it has is: 11
• The sum of 20471790040's digits is 34
• More coming soon!