40752972

Names of 40752972

• Cardinal: 40752972 can be written as Forty million, seven hundred fifty-two thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 4.0752972 × 10⁷

Factors of 40752972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 102

Divisors of 40752972

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 31 36 39 52 53 62 78 93 106 117 124 156 159 186 212 234 279 318 372 403 468 477 558 636 689 806 954 1116 1209 1378 1612 1643 1908 2067 2418 2756 2809 3286 3627 4134 4836 4929 5618 6201 6572 7254 8268 8427 9858 11236 12402 14508 14787 16854 19716 21359 24804 25281 29574 33708 36517 42718 50562 59148 64077 73034 85436 87079 101124 109551 128154 146068 174158 192231 219102 256308 261237 328653 348316 384462 438204 522474 657306 768924 783711 1044948 1132027 1314612 1567422 2264054 3134844 3396081 4528108 6792162 10188243 13584324 20376486 40752972
• Sum of all divisors σ(n): 116718784
• Sum of proper divisors (its aliquot sum) s(n): 75965812
• 40752972 is an abundant number, because the sum of its proper divisors (75965812) is greater than itself. Its abundance is 35212840

Bases of 40752972

• Binary: 10011011011101011101001100₂
• Hexadecimal: 0x26DD74C
• Base-36: O9H70

Squares and roots of 40752972

• 40752972 squared (40752972²) is 1660804726832784
• 40752972 cubed (40752972³) is 67682728530084095034048
• The square root of 40752972 is 6383.8054481635
• The cube root of 40752972 is 344.1278031525

Scales and comparisons

• 40,752,972 seconds is equal to 1 year, 15 weeks, 2 days, 16 hours, 16 minutes, 12 seconds.
• To count from 1 to 40,752,972 would take you about forty-nine 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 40752972 cubic inches would be around 28.7 feet tall.

Recreational maths with 40752972

• 40752972 backwards is 27925704
• 40752972 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40752972's digits is 36
• More coming soon!