40138168512

Names of 40138168512

• Cardinal: 40138168512 can be written as Forty billion, one hundred thirty-eight million, one hundred sixty-eight thousand, five hundred twelve.

Scientific notation

• Scientific notation: 4.0138168512 × 10¹⁰

Factors of 40138168512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 945976

Divisors of 40138168512

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 64 68 78 96 102 104 136 156 192 204 208 221 272 312 408 416 442 544 624 663 816 832 884 1088 1248 1326 1632 1768 2496 2652 3264 3536 5304 7072 10608 14144 21216 42432 945941 1891882 2837823 3783764 5675646 7567528 11351292 12297233 15135056 16080997 22702584 24594466 30270112 32161994 36891699 45405168 48242991 49188932 60540224 64323988 73783398 90810336 96485982 98377864 128647976 147566796 181620672 192971964 196755728 209052961 257295952 295133592 385943928 393511456 418105922 514591904 590267184 627158883 771887856 787022912 836211844 1029183808 1180534368 1254317766 1543775712 1672423688 2361068736 2508635532 3087551424 3344847376 5017271064 6689694752 10034542128 13379389504 20069084256 40138168512
• Sum of all divisors σ(n): 121095711072
• Sum of proper divisors (its aliquot sum) s(n): 80957542560
• 40138168512 is an abundant number, because the sum of its proper divisors (80957542560) is greater than itself. Its abundance is 40819374048

Bases of 40138168512

• Binary: 100101011000011010111101100011000000₂
• Hexadecimal: 0x9586BD8C0
• Base-36: IFT891C

Squares and roots of 40138168512

• 40138168512 squared (40138168512²) is 1611072571497708294144
• 40138168512 cubed (40138168512³) is 64665502359836183732171934793728
• The square root of 40138168512 is 200345.1235044169
• The cube root of 40138168512 is 3423.8851152969

Scales and comparisons

• 40,138,168,512 seconds is equal to 1,276 years, 14 weeks, 3 hours, 15 minutes, 12 seconds.
• To count from 1 to 40,138,168,512 would take you about two thousand, five hundred fifty-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 40138168512 cubic inches would be around 285.3 feet tall.

Recreational maths with 40138168512

• 40138168512 backwards is 21586183104
• 40138168512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40138168512's digits is 39
• More coming soon!