20823572728

Names of 20823572728

• Cardinal: 20823572728 can be written as Twenty billion, eight hundred twenty-three million, five hundred seventy-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0823572728 × 10¹⁰

Factors of 20823572728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 707

Divisors of 20823572728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 19 28 29 38 49 56 58 76 98 116 133 152 196 203 229 232 266 392 406 421 458 532 551 812 842 916 931 1064 1102 1421 1603 1624 1684 1832 1862 2204 2842 2947 3206 3368 3724 3857 4351 4408 5684 5894 6412 6641 7448 7714 7999 8702 11221 11368 11788 12209 12824 13282 15428 15998 17404 20629 22442 23576 24418 26564 26999 30457 30856 31996 34808 41258 44884 46487 48836 53128 53998 55993 60914 63992 82516 85463 89768 92974 96409 97672 107996 111986 121828 126179 165032 170926 185948 192818 213199 215992 223972 231971 243656 252358 325409 341852 371896 385636 391951 426398 447944 463942 504716 598241 650818 674863 683704 771272 783902 852796 883253 927884 1009432 1196482 1301636 1349726 1567804 1623797 1705592 1766506 1831771 1855768 2392964 2603272 2699452 2795861 3135608 3247594 3533012 3663542 4724041 4785928 5398904 5591722 6182771 6495188 7066024 7327084 9448082 11183444 11366579 12365542 12822397 12990376 14654168 18896164 19571027 22366888 22733158 24731084 25644794 37792328 39142054 45466316 49462168 51289588 53121359 78284108 89756779 90932632 102579176 106242718 136997189 156568216 179513558 212485436 273994378 359027116 371849513 424970872 547988756 718054232 743699026 1095977512 1487398052 2602946591 2974796104 5205893182 10411786364 20823572728
• Sum of all divisors σ(n): 49791780000
• Sum of proper divisors (its aliquot sum) s(n): 28968207272
• 20823572728 is an abundant number, because the sum of its proper divisors (28968207272) is greater than itself. Its abundance is 8144634544

Bases of 20823572728

• Binary: 10011011001001011101000000011111000₂
• Hexadecimal: 0x4D92E80F8
• Base-36: 9KDTFJS

Squares and roots of 20823572728

• 20823572728 squared (20823572728²) is 433621181158305361984
• 20823572728 cubed (20823572728³) is 9029542202251234986506190372352
• The square root of 20823572728 is 144303.7516075033
• The cube root of 20823572728 is 2751.1762561697

Scales and comparisons

• 20,823,572,728 seconds is equal to 662 years, 6 weeks, 3 days, 13 hours, 45 minutes, 28 seconds.
• To count from 1 to 20,823,572,728 would take you about one thousand, three hundred twenty-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 20823572728 cubic inches would be around 229.3 feet tall.

Recreational maths with 20823572728

• 20823572728 backwards is 82727532802
• The number of decimal digits it has is: 11
• The sum of 20823572728's digits is 46
• More coming soon!