61407627138

Names of 61407627138

• Cardinal: 61407627138 can be written as Sixty-one billion, four hundred seven million, six hundred twenty-seven thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 6.1407627138 × 10¹⁰

Factors of 61407627138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 769637

Divisors of 61407627138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 11 13 18 22 26 31 33 39 62 66 78 93 99 117 143 186 198 234 279 286 341 403 429 558 682 806 858 1023 1209 1287 2046 2418 2574 3069 3627 4433 6138 7254 8866 13299 26598 39897 79794 769577 1539154 2308731 4617462 6926193 8465347 10004501 13852386 16930694 20009002 23856887 25396041 30013503 47713774 50792082 60027006 71570661 76188123 90040509 110049511 143141322 152376246 180081018 214711983 220099022 262425757 310139531 330148533 429423966 524851514 620279062 660297066 787277271 930418593 990445599 1574554542 1860837186 1980891198 2361831813 2791255779 3411534841 4723663626 5582511558 6823069682 10234604523 20469209046 30703813569 61407627138
• Sum of all divisors σ(n): 161352801792
• Sum of proper divisors (its aliquot sum) s(n): 99945174654
• 61407627138 is an abundant number, because the sum of its proper divisors (99945174654) is greater than itself. Its abundance is 38537547516

Bases of 61407627138

• Binary: 111001001100001011100000011110000010₂
• Hexadecimal: 0xE4C2E0782
• Base-36: S7KIKCI

Squares and roots of 61407627138

• 61407627138 squared (61407627138²) is 3770896670719634071044
• 61407627138 cubed (61407627138³) is 231561816731476851170470954392072
• The square root of 61407627138 is 247805.6237013195
• The cube root of 61407627138 is 3945.2461559983

Scales and comparisons

• 61,407,627,138 seconds is equal to 1,952 years, 29 weeks, 5 days, 10 hours, 12 minutes, 18 seconds.
• To count from 1 to 61,407,627,138 would take you about three thousand, nine hundred five 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 61407627138 cubic inches would be around 328.8 feet tall.

Recreational maths with 61407627138

• 61407627138 backwards is 83172670416
• The number of decimal digits it has is: 11
• The sum of 61407627138's digits is 45
• More coming soon!