123127841991

Names of 123127841991

• Cardinal: 123127841991 can be written as One hundred twenty-three billion, one hundred twenty-seven million, eight hundred forty-one thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.23127841991 × 10¹¹

Factors of 123127841991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 663881

Divisors of 123127841991

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 11 21 33 73 77 121 219 231 363 511 803 847 1533 2409 2541 5621 8833 16863 26499 61831 185493 663787 1991361 4646509 7301657 13939527 21904971 48456451 51111599 80318227 145369353 153334797 240954681 339195157 533020961 562227589 1017585471 1599062883 1686682767 3731146727 5863230571 11193440181 17589691713 41042613997 123127841991
• Sum of all divisors σ(n): 209056047872
• Sum of proper divisors (its aliquot sum) s(n): 85928205881
• 123127841991 is a deficient number, because the sum of its proper divisors (85928205881) is less than itself. Its deficiency is 37199636110

Bases of 123127841991

• Binary: 1110010101010111111011100010011000111₂
• Hexadecimal: 0x1CAAFDC4C7
• Base-36: 1KKB4YX3

Squares and roots of 123127841991

• 123127841991 squared (123127841991²) is 15160465473360662844081
• 123127841991 cubed (123127841991³) is 1866675397313962714421030037605271
• The square root of 123127841991 is 350895.7708365833
• The cube root of 123127841991 is 4974.9122244523

Scales and comparisons

• 123,127,841,991 seconds is equal to 3,915 years, 4 weeks, 2 days, 18 hours, 19 minutes, 51 seconds.
• To count from 1 to 123,127,841,991 would take you about seven thousand, eight hundred thirty 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 123127841991 cubic inches would be around 414.6 feet tall.

Recreational maths with 123127841991

• 123127841991 backwards is 199148721321
• The number of decimal digits it has is: 12
• The sum of 123127841991's digits is 48
• More coming soon!