40347640905909651

Names of 40347640905909651

• Cardinal: 40347640905909651 can be written as Forty quadrillion, three hundred forty-seven trillion, six hundred forty billion, nine hundred five million, nine hundred nine thousand, six hundred fifty-one.

Scientific notation

• Scientific notation: 4.0347640905909651 × 10¹⁶

Factors of 40347640905909651

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 57795528

Divisors of 40347640905909651

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 9 157 471 1413 498361 1495083 4485249 57297007 78242677 171891021 234728031 515673063 704184093 8995630099 26986890297 80960670891 28554593705527 85663781116581 256991343349743 4483071211767739 13449213635303217 40347640905909651
• Sum of all divisors σ(n): 58651254182840384
• Sum of proper divisors (its aliquot sum) s(n): 18303613276930733
• 40347640905909651 is a deficient number, because the sum of its proper divisors (18303613276930733) is less than itself. Its deficiency is 22044027628978918

Bases of 40347640905909651

• Binary: 10001111010101111111011100110011101110001100010110010011₂
• Hexadecimal: 0x8F57F733B8C593
• Base-36: B1A1MCI5TAR

Squares and roots of 40347640905909651

• 40347640905909651 squared (40347640905909651²) is 1627932126672233762819575774941801
• 40347640905909651 cubed (40347640905909651³) is 65683220866165110583420707786371473945221489221451
• The square root of 40347640905909651 is 200867222.0794364723
• The cube root of 40347640905909651 is 342983.0955125435

Scales and comparisons

• 40,347,640,905,909,651 seconds is equal to 1,282,930,177 years, 18 weeks, 5 days, 3 hours, 20 minutes, 51 seconds.
• To count from 1 to 40,347,640,905,909,651 would take you about three billion, eight hundred forty-eight million, seven hundred ninety thousand, five hundred thirty-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 40347640905909651 cubic inches would be around 28581.9 feet tall.

Recreational maths with 40347640905909651

• 40347640905909651 backwards is 15690950904674304
• The number of decimal digits it has is: 17
• The sum of 40347640905909651's digits is 72
• More coming soon!