68408081472

Names of 68408081472

• Cardinal: 68408081472 can be written as Sixty-eight billion, four hundred eight million, eighty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.8408081472 × 10¹⁰

Factors of 68408081472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 147394

Divisors of 68408081472

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 41 48 59 64 82 96 118 123 164 177 192 236 246 328 354 472 492 656 708 944 984 1312 1416 1888 1968 2419 2624 2832 3776 3936 4838 5664 7257 7872 9676 11328 14514 19352 29028 38704 58056 77408 116112 147289 154816 232224 294578 441867 464448 589156 883734 1178312 1767468 2356624 3534936 4713248 6038849 7069872 8690051 9426496 12077698 14139744 17380102 18116547 24155396 26070153 28279488 34760204 36233094 48310792 52140306 69520408 72466188 96621584 104280612 139040816 144932376 193243168 208561224 278081632 289864752 356292091 386486336 417122448 556163264 579729504 712584182 834244896 1068876273 1159459008 1425168364 1668489792 2137752546 2850336728 4275505092 5700673456 8551010184 11401346912 17102020368 22802693824 34204040736 68408081472
• Sum of all divisors σ(n): 188554766400
• Sum of proper divisors (its aliquot sum) s(n): 120146684928
• 68408081472 is an abundant number, because the sum of its proper divisors (120146684928) is greater than itself. Its abundance is 51738603456

Bases of 68408081472

• Binary: 111111101101011100000111110001000000₂
• Hexadecimal: 0xFED707C40
• Base-36: VFCELHC

Squares and roots of 68408081472

• 68408081472 squared (68408081472²) is 4679665610679789686784
• 68408081472 cubed (68408081472³) is 320126946357099686197345233666048
• The square root of 68408081472 is 261549.3862963551
• The cube root of 68408081472 is 4089.8037633185

Scales and comparisons

• 68,408,081,472 seconds is equal to 2,175 years, 8 weeks, 4 days, 4 hours, 51 minutes, 12 seconds.
• To count from 1 to 68,408,081,472 would take you about four thousand, three hundred fifty 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 68408081472 cubic inches would be around 340.8 feet tall.

Recreational maths with 68408081472

• 68408081472 backwards is 27418080486
• 68408081472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68408081472's digits is 48
• More coming soon!