15420489428890

Names of 15420489428890

• Cardinal: 15420489428890 can be written as Fifteen trillion, four hundred twenty billion, four hundred eighty-nine million, four hundred twenty-eight thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.542048942889 × 10¹³

Factors of 15420489428890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 486804

Divisors of 15420489428890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 43 65 70 86 91 130 182 215 301 430 455 559 602 811 910 1118 1505 1622 2795 3010 3913 4055 5590 5677 7826 8110 10543 11354 19565 21086 28385 34873 39130 52715 56770 69746 73801 105430 147602 174365 244111 348730 369005 453349 485923 488222 738010 906698 971846 1220555 2266745 2429615 2441110 3173443 3401461 4533490 4859230 6316999 6346886 6802922 12633998 15867215 17007305 20894689 31584995 31734430 34014610 41789378 44218993 63169990 88437986 104473445 146262823 208946890 221094965 271630957 292525646 394083553 442189930 543261914 731314115 788167106 1358154785 1462628230 1901416699 1970417765 2716309570 2758584871 3802833398 3940835530 5123086189 5517169742 9507083495 10246172378 13792924355 16945592779 19014166990 25615430945 27585848710 33891185558 35861603323 51230861890 71723206646 84727963895 118619149453 169455927790 179308016615 220292706127 237238298906 358616033230 440585412254 593095747265 1101463530635 1186191494530 1542048942889 2202927061270 3084097885778 7710244714445 15420489428890
• Sum of all divisors σ(n): 34999962826752
• Sum of proper divisors (its aliquot sum) s(n): 19579473397862
• 15420489428890 is an abundant number, because the sum of its proper divisors (19579473397862) is greater than itself. Its abundance is 4158983968972

Bases of 15420489428890

• Binary: 11100000011001011100110010110110111110011010₂
• Hexadecimal: 0xE065CCB6F9A
• Base-36: 5GS2P9DWA

Squares and roots of 15420489428890

• 15420489428890 squared (15420489428890²) is 237791494226508238366632100
• 15420489428890 cubed (15420489428890³) is 3666861222999827756949146618161741369000
• The square root of 15420489428890 is 3926893.1012812151
• The cube root of 15420489428890 is 24890.4483339285

Scales and comparisons

• 15,420,489,428,890 seconds is equal to 490,323 years, 44 weeks, 6 days, 21 hours, 48 minutes, 10 seconds.
• To count from 1 to 15,420,489,428,890 would take you about one million, two hundred twenty-five thousand, eight hundred nine 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 15420489428890 cubic inches would be around 2074.2 feet tall.

Recreational maths with 15420489428890

• 15420489428890 backwards is 09882498402451
• The number of decimal digits it has is: 14
• The sum of 15420489428890's digits is 64
• More coming soon!