20678696640

Names of 20678696640

• Cardinal: 20678696640 can be written as Twenty billion, six hundred seventy-eight million, six hundred ninety-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.067869664 × 10¹⁰

Factors of 20678696640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 60371

Divisors of 20678696640

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 32 34 35 36 40 42 45 48 51 56 60 63 64 68 70 72 80 84 85 90 96 102 105 112 119 120 126 136 140 144 153 160 168 170 180 192 204 210 224 238 240 252 255 272 280 288 306 315 320 336 340 357 360 408 420 448 476 480 504 510 544 560 576 595 612 630 672 680 714 720 765 816 840 952 960 1008 1020 1071 1088 1120 1190 1224 1260 1344 1360 1428 1440 1530 1632 1680 1785 1904 2016 2040 2142 2240 2380 2448 2520 2720 2856 2880 3060 3264 3360 3570 3808 4032 4080 4284 4760 4896 5040 5355 5440 5712 6120 6720 7140 7616 8160 8568 9520 9792 10080 10710 11424 12240 14280 16320 17136 19040 20160 21420 22848 24480 28560 34272 38080 42840 48960 57120 60337 68544 85680 114240 120674 171360 181011 241348 301685 342720 362022 422359 482696 543033 603370 724044 844718 905055 965392 1025729 1086066 1206740 1267077 1448088 1689436 1810110 1930784 2051458 2111795 2172132 2413480 2534154 2715165 2896176 3077187 3378872 3620220 3801231 3861568 4102916 4223590 4344264 4826960 5068308 5128645 5430330 5792352 6154374 6335385 6757744 7180103 7240440 7602462 8205832 8447180 8688528 9231561 9653920 10136616 10257290 10860660 11584704 12308748 12670770 13515488 14360206 14480880 15204924 15385935 16411664 16894360 17377056 18463122 19006155 19307840 20273232 20514580 21540309 21721320 24617496 25341540 27030976 28720412 28961760 30409848 30771870 32823328 33788720 34754112 35900515 36926244 38012310 40546464 41029160 43080618 43442640 46157805 49234992 50683080 57440824 57923520 60819696 61543740 64620927 65646656 67577440 71801030 73852488 76024620 81092928 82058320 86161236 86885280 92315610 98469984 101366160 107701545 114881648 121639392 123087480 129241854 135154880 143602060 147704976 152049240 164116640 172322472 173770560 184631220 196939968 202732320 215403090 229763296 243278784 246174960 258483708 287204120 295409952 304098480 323104635 328233280 344644944 369262440 405464640 430806180 459526592 492349920 516967416 574408240 590819904 608196960 646209270 689289888 738524880 861612360 984699840 1033934832 1148816480 1216393920 1292418540 1378579776 1477049760 1723224720 2067869664 2297632960 2584837080 2954099520 3446449440 4135739328 5169674160 6892898880 10339348320 20678696640
• Sum of all divisors σ(n): 86069984832
• Sum of proper divisors (its aliquot sum) s(n): 65391288192
• 20678696640 is an abundant number, because the sum of its proper divisors (65391288192) is greater than itself. Its abundance is 44712591552

Bases of 20678696640

• Binary: 10011010000100010111101111011000000₂
• Hexadecimal: 0x4D08BDEC0
• Base-36: 9HZK8G0

Squares and roots of 20678696640

• 20678696640 squared (20678696640²) is 427608494729147289600
• 20678696640 cubed (20678696640³) is 8842386343191075767516626944000
• The square root of 20678696640 is 143800.8923477181
• The cube root of 20678696640 is 2744.7811385519

Scales and comparisons

• 20,678,696,640 seconds is equal to 657 years, 26 weeks, 6 days, 18 hours, 24 minutes.
• To count from 1 to 20,678,696,640 would take you about one thousand, three hundred fifteen 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 20678696640 cubic inches would be around 228.7 feet tall.

Recreational maths with 20678696640

• 20678696640 backwards is 04669687602
• The number of decimal digits it has is: 11
• The sum of 20678696640's digits is 54
• More coming soon!