20990550438

Names of 20990550438

• Cardinal: 20990550438 can be written as Twenty billion, nine hundred ninety million, five hundred fifty thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.0990550438 × 10¹⁰

Factors of 20990550438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 973

Divisors of 20990550438

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 9 11 13 18 22 26 27 33 37 39 54 66 74 78 81 99 111 117 143 162 198 222 234 243 286 297 333 351 407 429 481 486 594 666 702 729 814 858 891 907 962 999 1053 1221 1287 1443 1458 1782 1814 1998 2106 2187 2442 2574 2673 2721 2886 2997 3159 3663 3861 4329 4374 5291 5346 5442 5994 6318 7326 7722 8019 8163 8658 8991 9477 9977 10582 10989 11583 11791 12987 15873 16038 16326 17982 18954 19954 21978 23166 23582 24057 24489 25974 26973 28431 29931 31746 32967 33559 34749 35373 38961 47619 48114 48978 53946 56862 59862 65934 67118 69498 70746 73467 77922 80919 89793 95238 98901 100677 104247 106119 116883 129701 142857 146934 161838 179586 197802 201354 208494 212238 220401 233766 259402 269379 285714 296703 302031 312741 318357 350649 369149 389103 428571 436267 440802 538758 593406 604062 625482 636714 661203 701298 738298 778206 808137 857142 872534 890109 906093 955071 1051947 1107447 1167309 1285713 1308801 1322406 1616274 1780218 1812186 1910142 1983609 2103894 2214894 2334618 2424411 2571426 2617602 2718279 2865213 3322341 3501927 3857139 3926403 3967218 4798937 4848822 5436558 5730426 6644682 7003854 7273233 7714278 7852806 8154837 8595639 9597874 9967023 10505781 11571417 11779209 14396811 14546466 16309674 17191278 19934046 21011562 21819699 23142834 23558418 24464511 25786917 28793622 29901069 31517343 35337627 43190433 43639398 48929022 51573834 59802138 63034686 70675254 73393533 86380866 89703207 94552029 106012881 129571299 146787066 179406414 189104058 212025762 259142598 269109621 283656087 318038643 388713897 538219242 567312174 636077286 777427794 807328863 954115929 1166141691 1614657726 1908231858 2332283382 3498425073 6996850146 10495275219 20990550438
• Sum of all divisors σ(n): 57039252480
• Sum of proper divisors (its aliquot sum) s(n): 36048702042
• 20990550438 is an abundant number, because the sum of its proper divisors (36048702042) is greater than itself. Its abundance is 15058151604

Bases of 20990550438

• Binary: 10011100011001000100110000110100110₂
• Hexadecimal: 0x4E32261A6
• Base-36: 9N58CDI

Squares and roots of 20990550438

• 20990550438 squared (20990550438²) is 440603207690221991844
• 20990550438 cubed (20990550438³) is 9248503854166194199218306627672
• The square root of 20990550438 is 144881.1597068439
• The cube root of 20990550438 is 2758.5102948501

Scales and comparisons

• 20,990,550,438 seconds is equal to 667 years, 22 weeks, 4 days, 4 hours, 27 minutes, 18 seconds.
• To count from 1 to 20,990,550,438 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 20990550438 cubic inches would be around 229.9 feet tall.

Recreational maths with 20990550438

• 20990550438 backwards is 83405509902
• The number of decimal digits it has is: 11
• The sum of 20990550438's digits is 45
• More coming soon!