745615138

Names of 745615138

• Cardinal: 745615138 can be written as Seven hundred forty-five million, six hundred fifteen thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.45615138 × 10⁸

Factors of 745615138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 371

Divisors of 745615138

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 17 19 34 38 73 97 146 163 194 323 326 646 1241 1387 1649 1843 2482 2771 2774 3097 3298 3686 5542 6194 7081 11899 14162 15811 23579 23798 31331 31622 47158 52649 62662 105298 120377 134539 202283 226081 240754 268787 269078 300409 404566 452162 537574 600818 1154203 2287163 2308406 3843377 4574326 5106953 7686754 10213906 19621451 21929857 39242902 43859714 372807569 745615138
• Sum of all divisors σ(n): 1284474240
• Sum of proper divisors (its aliquot sum) s(n): 538859102
• 745615138 is a deficient number, because the sum of its proper divisors (538859102) is less than itself. Its deficiency is 206756036

Bases of 745615138

• Binary: 101100011100010010111100100010₂
• Hexadecimal: 0x2C712F22
• Base-36: CBX4BM

Squares and roots of 745615138

• 745615138 squared (745615138²) is 555941934014759044
• 745615138 cubed (745615138³) is 414518721850401458628808072
• The square root of 745615138 is 27305.9542590989
• The cube root of 745615138 is 906.7862071755

Scales and comparisons

• 745,615,138 seconds is equal to 23 years, 36 weeks, 5 days, 19 hours, 18 minutes, 58 seconds.
• To count from 1 to 745,615,138 would take you about thirty-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 745615138 cubic inches would be around 75.6 feet tall.

Recreational maths with 745615138

• 745615138 backwards is 831516547
• The number of decimal digits it has is: 9
• The sum of 745615138's digits is 40
• More coming soon!