20971556736

Names of 20971556736

• Cardinal: 20971556736 can be written as Twenty billion, nine hundred seventy-one million, five hundred fifty-six thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.0971556736 × 10¹⁰

Factors of 20971556736

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1905

Divisors of 20971556736

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 114 127 128 152 156 192 208 228 247 254 304 312 381 384 416 456 494 508 608 624 741 762 832 912 988 1016 1216 1248 1482 1524 1651 1664 1741 1824 1976 2032 2413 2432 2496 2964 3048 3302 3482 3648 3952 4064 4826 4953 4992 5223 5928 6096 6604 6964 7239 7296 7904 8128 9652 9906 10446 11856 12192 13208 13928 14478 15808 16256 19304 19812 20892 22633 23712 24384 26416 27856 28956 31369 31616 33079 38608 39624 41784 45266 47424 48768 52832 55712 57912 62738 66158 67899 77216 79248 83568 90532 94107 94848 99237 105664 111424 115824 125476 132316 135798 154432 158496 167136 181064 188214 198474 211328 221107 222848 231648 250952 264632 271596 308864 316992 334272 362128 376428 396948 430027 442214 463296 501904 529264 543192 633984 663321 668544 724256 752856 793896 860054 884428 926592 1003808 1058528 1086384 1290081 1326642 1448512 1505712 1587792 1720108 1768856 2007616 2117056 2172768 2580162 2653284 2874391 2897024 3011424 3175584 3440216 3537712 4015232 4201033 4234112 4345536 5160324 5306568 5748782 6022848 6351168 6880432 7075424 8402066 8623173 8691072 10320648 10613136 11497564 12045696 12603099 12702336 13760864 14150848 16804132 17246346 20641296 21226272 22995128 25206198 27521728 28301696 33608264 34492692 41282592 42452544 45990256 50412396 54613429 55043456 67216528 68985384 82565184 84905088 91980512 100824792 109226858 134433056 137970768 163840287 165130368 183961024 201649584 218453716 268866112 275941536 327680574 367922048 403299168 436907432 537732224 551883072 655361148 806598336 873814864 1103766144 1310722296 1613196672 1747629728 2621444592 3495259456 5242889184 6990518912 10485778368 20971556736
• Sum of all divisors σ(n): 63681945600
• Sum of proper divisors (its aliquot sum) s(n): 42710388864
• 20971556736 is an abundant number, because the sum of its proper divisors (42710388864) is greater than itself. Its abundance is 21738832128

Bases of 20971556736

• Binary: 10011100010000000001000111110000000₂
• Hexadecimal: 0x4E2008F80
• Base-36: 9MTX8QO

Squares and roots of 20971556736

• 20971556736 squared (20971556736²) is 439806191931266973696
• 20971556736 cubed (20971556736³) is 9223420506930670751228683616256
• The square root of 20971556736 is 144815.5956242283
• The cube root of 20971556736 is 2757.6780134553

Scales and comparisons

• 20,971,556,736 seconds is equal to 666 years, 43 weeks, 1 day, 8 hours, 25 minutes, 36 seconds.
• To count from 1 to 20,971,556,736 would take you about one thousand, three hundred thirty-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 20971556736 cubic inches would be around 229.8 feet tall.

Recreational maths with 20971556736

• 20971556736 backwards is 63765517902
• The number of decimal digits it has is: 11
• The sum of 20971556736's digits is 51
• More coming soon!