31330738138

Names of 31330738138

• Cardinal: 31330738138 can be written as Thirty-one billion, three hundred thirty million, seven hundred thirty-eight thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.1330738138 × 10¹⁰

Factors of 31330738138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 503

Divisors of 31330738138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 14 23 46 61 79 122 158 161 322 331 427 553 662 854 1106 1403 1817 2317 2806 3634 3721 4634 4819 7442 7613 9638 9821 12719 15226 19642 20191 25438 26047 26149 33733 40382 52094 52298 53291 67466 85583 106582 110837 141337 171166 183043 221674 282674 293959 366086 464393 587918 599081 601427 775859 928786 1198162 1202854 1231651 1551718 1595089 2057713 2463302 3190178 3250751 4115426 4209989 6501502 6761057 8419978 8621557 11165623 13522114 17243114 22331246 28327973 36687047 47327399 56655946 73374094 94654798 97300429 194600858 198295811 256809329 396591622 513618658 681103003 1362206006 2237909867 4475819734 15665369069 31330738138
• Sum of all divisors σ(n): 57874452480
• Sum of proper divisors (its aliquot sum) s(n): 26543714342
• 31330738138 is a deficient number, because the sum of its proper divisors (26543714342) is less than itself. Its deficiency is 4787023796

Bases of 31330738138

• Binary: 11101001011011101010001111111011010₂
• Hexadecimal: 0x74B751FDA
• Base-36: EE5IG9M

Squares and roots of 31330738138

• 31330738138 squared (31330738138²) is 981615152271927707044
• 31330738138 cubed (31330738138³) is 30754727288124762757862342044072
• The square root of 31330738138 is 177004.9099262503
• The cube root of 31330738138 is 3152.5129234037

Scales and comparisons

• 31,330,738,138 seconds is equal to 996 years, 11 weeks, 3 days, 6 hours, 48 minutes, 58 seconds.
• To count from 1 to 31,330,738,138 would take you about one thousand, nine hundred ninety-two 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 31330738138 cubic inches would be around 262.7 feet tall.

Recreational maths with 31330738138

• 31330738138 backwards is 83183703313
• The number of decimal digits it has is: 11
• The sum of 31330738138's digits is 40
• More coming soon!