30811872042

Names of 30811872042

• Cardinal: 30811872042 can be written as Thirty billion, eight hundred eleven million, eight hundred seventy-two thousand and forty-two.

Scientific notation

• Scientific notation: 3.0811872042 × 10¹⁰

Factors of 30811872042

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3105

Divisors of 30811872042

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 83 113 126 162 166 189 226 249 339 378 498 567 581 678 747 791 1017 1134 1162 1494 1582 1743 2034 2241 2373 2897 3051 3486 4482 4746 5229 5794 6102 6723 7119 8691 9153 9379 10458 13446 14238 15687 17382 18306 18758 20279 21357 26073 28137 31374 40558 42714 47061 52146 56274 60837 64071 65653 78219 84411 94122 121674 128142 131306 156438 168822 182511 196959 234657 240451 253233 327361 365022 393918 469314 480902 506466 547533 590877 654722 721353 759699 982083 1095066 1181754 1442706 1519398 1642599 1683157 1772631 1964166 2164059 2291527 2946249 3285198 3366314 3545262 4328118 4583054 5049471 5317893 5892498 6492177 6874581 8838747 10098942 10635786 12984354 13749162 15148413 17677494 19476531 20623743 26516241 27170963 30296826 38953062 41247486 45445239 53032482 54341926 61871229 81512889 90890478 123742458 136335717 163025778 185613687 190196741 244538667 272671434 371227374 380393482 489077334 570590223 733616001 1141180446 1467232002 1711770669 2200848003 3423541338 4401696006 5135312007 10270624014 15405936021 30811872042
• Sum of all divisors σ(n): 80589624192
• Sum of proper divisors (its aliquot sum) s(n): 49777752150
• 30811872042 is an abundant number, because the sum of its proper divisors (49777752150) is greater than itself. Its abundance is 18965880108

Bases of 30811872042

• Binary: 11100101100100001111101101100101010₂
• Hexadecimal: 0x72C87DB2A
• Base-36: E5KLCMI

Squares and roots of 30811872042

• 30811872042 squared (30811872042²) is 949371458732581249764
• 30811872042 cubed (30811872042³) is 29251911906795176964096810698088
• The square root of 30811872042 is 175533.1081078439
• The cube root of 30811872042 is 3135.0131141137

Scales and comparisons

• 30,811,872,042 seconds is equal to 979 years, 37 weeks, 3 days, 21 hours, 20 minutes, 42 seconds.
• To count from 1 to 30,811,872,042 would take you about one thousand, nine hundred fifty-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 30811872042 cubic inches would be around 261.3 feet tall.

Recreational maths with 30811872042

• 30811872042 backwards is 24027811803
• The number of decimal digits it has is: 11
• The sum of 30811872042's digits is 36
• More coming soon!