40012087168

Names of 40012087168

• Cardinal: 40012087168 can be written as Forty billion, twelve million, eighty-seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0012087168 × 10¹⁰

Factors of 40012087168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 14163

Divisors of 40012087168

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 32 64 97 128 194 233 388 466 776 932 1552 1864 3104 3728 6208 7456 12416 13831 14912 22601 27662 29824 45202 55324 90404 110648 180808 221296 361616 442592 723232 885184 1341607 1446464 1770368 2683214 2892928 3222623 5366428 6445246 10732856 12890492 21465712 25780984 42931424 51561968 85862848 103123936 171725696 206247872 312594431 412495744 625188862 1250377724 2500755448 5001510896 10003021792 20006043584 40012087168
• Sum of all divisors σ(n): 80884833120
• Sum of proper divisors (its aliquot sum) s(n): 40872745952
• 40012087168 is an abundant number, because the sum of its proper divisors (40872745952) is greater than itself. Its abundance is 860658784

Bases of 40012087168

• Binary: 100101010000111001111111111110000000₂
• Hexadecimal: 0x950E7FF80
• Base-36: IDQ5W1S

Squares and roots of 40012087168

• 40012087168 squared (40012087168²) is 1600967119539630260224
• 40012087168 cubed (40012087168³) is 64058035940121562002573211205632
• The square root of 40012087168 is 200030.2156375381
• The cube root of 40012087168 is 3420.2963381033

Scales and comparisons

• 40,012,087,168 seconds is equal to 1,272 years, 13 weeks, 3 days, 20 hours, 39 minutes, 28 seconds.
• To count from 1 to 40,012,087,168 would take you about two thousand, five hundred forty-four 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 40012087168 cubic inches would be around 285 feet tall.

Recreational maths with 40012087168

• 40012087168 backwards is 86178021004
• The number of decimal digits it has is: 11
• The sum of 40012087168's digits is 37
• More coming soon!