20988133530

Names of 20988133530

• Cardinal: 20988133530 can be written as Twenty billion, nine hundred eighty-eight million, one hundred thirty-three thousand, five hundred thirty.

Scientific notation

• Scientific notation: 2.098813353 × 10¹⁰

Factors of 20988133530

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 452280

Divisors of 20988133530

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 17 21 26 30 34 35 39 42 51 65 70 78 85 91 102 105 119 130 170 182 195 210 221 238 255 273 357 390 442 455 510 546 595 663 714 910 1105 1190 1326 1365 1547 1785 2210 2730 3094 3315 3570 4641 6630 7735 9282 15470 23205 46410 452233 904466 1356699 2261165 2713398 3165631 4522330 5879029 6331262 6783495 7687961 9496893 11758058 13566990 15375922 15828155 17637087 18993786 23063883 29395145 31656310 35274174 38439805 41153203 46127766 47484465 53815727 58790290 76879610 82306406 88185435 94968930 99943493 107631454 115319415 123459609 161447181 176370870 199886986 205766015 230638830 246919218 269078635 299830479 322894362 411532030 499717465 538157270 599660958 617298045 699604451 807235905 999434930 1234596090 1399208902 1499152395 1614471810 2098813353 2998304790 3498022255 4197626706 6996044510 10494066765 20988133530
• Sum of all divisors σ(n): 65642669568
• Sum of proper divisors (its aliquot sum) s(n): 44654536038
• 20988133530 is an abundant number, because the sum of its proper divisors (44654536038) is greater than itself. Its abundance is 23666402508

Bases of 20988133530

• Binary: 10011100010111111011000000010011010₂
• Hexadecimal: 0x4E2FD809A
• Base-36: 9N3SJH6

Squares and roots of 20988133530

• 20988133530 squared (20988133530²) is 440501749073110260900
• 20988133530 cubed (20988133530³) is 9245309529744991888182337977000
• The square root of 20988133530 is 144872.8184650247
• The cube root of 20988133530 is 2758.4044167071

Scales and comparisons

• 20,988,133,530 seconds is equal to 667 years, 18 weeks, 4 days, 5 hours, 5 minutes, 30 seconds.
• To count from 1 to 20,988,133,530 would take you about one thousand, three hundred thirty-four 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 20988133530 cubic inches would be around 229.9 feet tall.

Recreational maths with 20988133530

• 20988133530 backwards is 03533188902
• 20988133530 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20988133530's digits is 42
• More coming soon!