31320905742

Names of 31320905742

• Cardinal: 31320905742 can be written as Thirty-one billion, three hundred twenty million, nine hundred five thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 3.1320905742 × 10¹⁰

Factors of 31320905742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6578

Divisors of 31320905742

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 37 42 49 54 63 74 98 111 126 147 189 222 259 294 333 343 378 441 518 666 686 777 882 999 1029 1323 1554 1813 1998 2058 2331 2401 2646 3087 3626 4662 4802 5439 6174 6529 6993 7203 9261 10878 12691 13058 13986 14406 16317 18522 19587 21609 25382 32634 38073 39174 43218 45703 48951 58761 64827 76146 88837 91406 97902 114219 117522 129654 137109 176283 177674 228438 241573 266511 274218 319921 342657 352566 411327 483146 533022 639842 685314 724719 799533 822654 959763 1233981 1449438 1599066 1691011 1919526 2174157 2239447 2398599 2467962 2879289 3382022 4348314 4478894 4797198 5073033 5758578 6522471 6718341 8637867 10146066 11837077 13044942 13436682 15219099 15676129 17275734 20155023 23674154 30438198 31352258 35511231 40310046 45657297 47028387 60465069 71022462 82859539 91314594 94056774 106533693 120930138 141085161 165719078 213067386 248578617 282170322 319601079 423255483 497157234 580016773 639202158 745735851 846510966 1160033546 1491471702 1740050319 2237207553 3480100638 4474415106 5220150957 10440301914 15660452871 31320905742
• Sum of all divisors σ(n): 83404816800
• Sum of proper divisors (its aliquot sum) s(n): 52083911058
• 31320905742 is an abundant number, because the sum of its proper divisors (52083911058) is greater than itself. Its abundance is 20763005316

Bases of 31320905742

• Binary: 11101001010110111110001100000001110₂
• Hexadecimal: 0x74ADF180E
• Base-36: EDZNPJI

Squares and roots of 31320905742

• 31320905742 squared (31320905742²) is 980999136499248570564
• 31320905742 cubed (31320905742³) is 30725781487276356332463279778488
• The square root of 31320905742 is 176977.1333873391
• The cube root of 31320905742 is 3152.1831088681

Scales and comparisons

• 31,320,905,742 seconds is equal to 995 years, 47 weeks, 1 day, 11 hours, 35 minutes, 42 seconds.
• To count from 1 to 31,320,905,742 would take you about one thousand, nine hundred ninety-one 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 31320905742 cubic inches would be around 262.7 feet tall.

Recreational maths with 31320905742

• 31320905742 backwards is 24750902313
• The number of decimal digits it has is: 11
• The sum of 31320905742's digits is 36
• More coming soon!