40656972168

Names of 40656972168

• Cardinal: 40656972168 can be written as Forty billion, six hundred fifty-six million, nine hundred seventy-two thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0656972168 × 10¹⁰

Factors of 40656972168

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 94

Divisors of 40656972168

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 89 108 162 178 216 267 324 356 534 648 712 801 1068 1602 2136 2403 3204 4806 6408 7209 7921 9612 14418 15842 19224 23763 28836 31684 47526 57672 63368 71289 95052 142578 190104 213867 285156 427734 570312 641601 704969 855468 1283202 1409938 1710936 2114907 2566404 2819876 4229814 5132808 5639752 6344721 8459628 12689442 16919256 19034163 25378884 38068326 50757768 57102489 62742241 76136652 114204978 125484482 152273304 188226723 228409956 250968964 376453446 456819912 501937928 564680169 752906892 1129360338 1505813784 1694040507 2258720676 3388081014 4517441352 5082121521 6776162028 10164243042 13552324056 20328486084 40656972168
• Sum of all divisors σ(n): 115171226115
• Sum of proper divisors (its aliquot sum) s(n): 74514253947
• 40656972168 is an abundant number, because the sum of its proper divisors (74514253947) is greater than itself. Its abundance is 33857281779

Bases of 40656972168

• Binary: 100101110111010110000010100110001000₂
• Hexadecimal: 0x977582988
• Base-36: IOE40I0

Squares and roots of 40656972168

• 40656972168 squared (40656972168²) is 1652989385869526620224
• 40656972168 cubed (40656972168³) is 67205543455296756277782273925632
• The square root of 40656972168 is 201635.7412960311
• The cube root of 40656972168 is 3438.5737554711

Scales and comparisons

• 40,656,972,168 seconds is equal to 1,292 years, 39 weeks, 5 days, 19 hours, 22 minutes, 48 seconds.
• To count from 1 to 40,656,972,168 would take you about two thousand, five hundred eighty-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 40656972168 cubic inches would be around 286.5 feet tall.

Recreational maths with 40656972168

• 40656972168 backwards is 86127965604
• 40656972168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40656972168's digits is 54
• More coming soon!