137945109945

Names of 137945109945

• Cardinal: 137945109945 can be written as One hundred thirty-seven billion, nine hundred forty-five million, one hundred nine thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 1.37945109945 × 10¹¹

Factors of 137945109945

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1363

Divisors of 137945109945

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 15 61 107 183 305 321 535 915 1187 1605 3561 5935 6527 17805 19581 32635 72407 97905 127009 217221 362035 381027 635045 1086105 1408969 1905135 4226907 7044845 7747549 21134535 23242647 38737745 85947109 116213235 150759683 257841327 429735545 452279049 753798415 1289206635 2261395245 9196340663 27589021989 45981703315 137945109945
• Sum of all divisors σ(n): 226617870528
• Sum of proper divisors (its aliquot sum) s(n): 88672760583
• 137945109945 is a deficient number, because the sum of its proper divisors (88672760583) is less than itself. Its deficiency is 49272349362

Bases of 137945109945

• Binary: 10000000011110001010110101010110111001₂
• Hexadecimal: 0x201E2B55B9
• Base-36: 1RDCYG1L

Squares and roots of 137945109945

• 137945109945 squared (137945109945²) is 19028853357738137903025
• 137945109945 cubed (137945109945³) is 2624937268560469849552355373083625
• The square root of 137945109945 is 371409.6255416653
• The cube root of 137945109945 is 5166.9640104121

Scales and comparisons

• 137,945,109,945 seconds is equal to 4,386 years, 11 weeks, 5 days, 22 hours, 5 minutes, 45 seconds.
• To count from 1 to 137,945,109,945 would take you about eight thousand, seven hundred seventy-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 137945109945 cubic inches would be around 430.6 feet tall.

Recreational maths with 137945109945

• 137945109945 backwards is 549901549731
• The number of decimal digits it has is: 12
• The sum of 137945109945's digits is 57
• More coming soon!