40130736

Names of 40130736

• Cardinal: 40130736 can be written as Forty million, one hundred thirty thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 4.0130736 × 10⁷

Factors of 40130736

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 660

Divisors of 40130736

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 38 48 57 76 79 114 152 158 228 237 304 316 456 474 557 632 912 948 1114 1264 1501 1671 1896 2228 3002 3342 3792 4456 4503 6004 6684 8912 9006 10583 12008 13368 18012 21166 24016 26736 31749 36024 42332 44003 63498 72048 84664 88006 126996 132009 169328 176012 253992 264018 352024 507984 528036 704048 836057 1056072 1672114 2112144 2508171 3344228 5016342 6688456 10032684 13376912 20065368 40130736
• Sum of all divisors σ(n): 110707200
• Sum of proper divisors (its aliquot sum) s(n): 70576464
• 40130736 is an abundant number, because the sum of its proper divisors (70576464) is greater than itself. Its abundance is 30445728

Bases of 40130736

• Binary: 10011001000101100010110000₂
• Hexadecimal: 0x26458B0
• Base-36: NW52O

Squares and roots of 40130736

• 40130736 squared (40130736²) is 1610475971901696
• 40130736 cubed (40130736³) is 64629586062730380128256
• The square root of 40130736 is 6334.8824772051
• The cube root of 40130736 is 342.3673765029

Scales and comparisons

• 40,130,736 seconds is equal to 1 year, 14 weeks, 2 days, 11 hours, 25 minutes, 36 seconds.
• To count from 1 to 40,130,736 would take you about forty-seven weeks!

  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 40130736 cubic inches would be around 28.5 feet tall.

Recreational maths with 40130736

• 40130736 backwards is 63703104
• 40130736 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40130736's digits is 24
• More coming soon!