20821253723802

Names of 20821253723802

• Cardinal: 20821253723802 can be written as Twenty trillion, eight hundred twenty-one billion, two hundred fifty-three million, seven hundred twenty-three thousand, eight hundred two.

Scientific notation

• Scientific notation: 2.0821253723802 × 10¹³

Factors of 20821253723802

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8134

Divisors of 20821253723802

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 29 42 54 58 63 87 126 174 189 203 261 378 406 522 609 783 841 1218 1566 1682 1827 2523 3654 5046 5481 5887 7569 8093 10962 11774 15138 16186 17661 22707 24279 35322 45414 48558 52983 56651 72837 105966 113302 145674 158949 169953 218511 234697 317898 339906 437022 469394 509859 704091 1019718 1408182 1529577 1642879 2112273 3059154 3285758 4224546 4928637 6336819 6806213 9857274 12673638 13612426 14785911 20418639 29571822 40837278 44357733 47643491 61255917 65496649 88715466 95286982 122511834 130993298 142930473 183767751 196489947 285860946 367535502 392979894 428791419 458476543 589469841 857582838 916953086 1178939682 1286374257 1375429629 1768409523 1899402821 2572748514 2750859258 3536819046 3798805642 4126288887 5698208463 8252577774 11396416926 12378866661 13295819747 17094625389 24757733322 26591639494 34189250778 39887459241 51283876167 55082681809 79774918482 102567752334 110165363618 119662377723 165248045427 239324755446 330496090854 358987133169 385578772663 495744136281 717974266338 771157545326 991488272562 1156736317989 1487232408843 2313472635978 2974464817686 3470208953967 6940417907934 10410626861901 20821253723802
• Sum of all divisors σ(n): 54772445906880
• Sum of proper divisors (its aliquot sum) s(n): 33951192183078
• 20821253723802 is an abundant number, because the sum of its proper divisors (33951192183078) is greater than itself. Its abundance is 13129938459276

Bases of 20821253723802

• Binary: 100101110111111010011011011101001011010011010₂
• Hexadecimal: 0x12EFD36E969A
• Base-36: 7DP5GVMAI

Squares and roots of 20821253723802

• 20821253723802 squared (20821253723802²) is 433524606630938651701335204
• 20821253723802 cubed (20821253723802³) is 9026525830174228623239038699020435325608
• The square root of 20821253723802 is 4563031.1990826887
• The cube root of 20821253723802 is 27510.7412470197

Scales and comparisons

• 20,821,253,723,802 seconds is equal to 662,051 years, 24 weeks, 21 hours, 56 minutes, 42 seconds.
• To count from 1 to 20,821,253,723,802 would take you about one million, six hundred fifty-five thousand, one hundred twenty-eight 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 20821253723802 cubic inches would be around 2292.6 feet tall.

Recreational maths with 20821253723802

• 20821253723802 backwards is 20832735212802
• The number of decimal digits it has is: 14
• The sum of 20821253723802's digits is 45
• More coming soon!