20828489994

Names of 20828489994

• Cardinal: 20828489994 can be written as Twenty billion, eight hundred twenty-eight million, four hundred eighty-nine thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 2.0828489994 × 10¹⁰

Factors of 20828489994

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1250

Divisors of 20828489994

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 13 18 26 31 37 39 62 71 74 78 93 111 117 142 186 213 222 234 279 333 403 426 481 558 639 666 806 923 962 1093 1147 1209 1278 1443 1846 2186 2201 2294 2418 2627 2769 2886 3279 3441 3627 4329 4402 5254 5538 6558 6603 6882 7254 7881 8307 8658 9837 10323 13206 14209 14911 15762 16614 19674 19809 20646 23643 28418 28613 29822 33883 34151 39618 40441 42627 44733 47286 57226 67766 68302 77603 80882 81437 85254 85839 89466 101649 102453 121323 127881 134199 155206 162874 171678 203298 204906 232809 242646 244311 255762 257517 268398 304947 307359 363969 440479 465618 488622 515034 525733 609894 614718 698427 727938 732933 880958 1008839 1051466 1058681 1253671 1321437 1396854 1465866 1577199 2017678 2117362 2405693 2507342 2642874 2871311 3026517 3154398 3176043 3761013 3964311 4731597 4811386 5742622 6053034 6352086 7217079 7522026 7928622 8613933 9079551 9463194 9528129 11283039 14434158 16297723 17227866 18159102 19056258 21651237 22566078 25841799 31274009 32595446 37327043 43302474 48893169 51683598 62548018 74654086 89010641 93822027 97786338 111981129 146679507 178021282 187644054 223962258 267031923 281466081 293359014 335943387 534063846 562932162 671886774 801095769 1157138333 1602191538 2314276666 3471414999 6942829998 10414244997 20828489994
• Sum of all divisors σ(n): 52296910848
• Sum of proper divisors (its aliquot sum) s(n): 31468420854
• 20828489994 is an abundant number, because the sum of its proper divisors (31468420854) is greater than itself. Its abundance is 10639930860

Bases of 20828489994

• Binary: 10011011001011110011000100100001010₂
• Hexadecimal: 0x4D979890A
• Base-36: 9KGQTQI

Squares and roots of 20828489994

• 20828489994 squared (20828489994²) is 433825995430158120036
• 20828489994 cubed (20828489994³) is 9035940404954138129007676919784
• The square root of 20828489994 is 144320.7885025577
• The cube root of 20828489994 is 2751.3927928311

Scales and comparisons

• 20,828,489,994 seconds is equal to 662 years, 14 weeks, 4 days, 11 hours, 39 minutes, 54 seconds.
• To count from 1 to 20,828,489,994 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 20828489994 cubic inches would be around 229.3 feet tall.

Recreational maths with 20828489994

• 20828489994 backwards is 49998482802
• The number of decimal digits it has is: 11
• The sum of 20828489994's digits is 63
• More coming soon!