40380961728

Names of 40380961728

• Cardinal: 40380961728 can be written as Forty billion, three hundred eighty million, nine hundred sixty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0380961728 × 10¹⁰

Factors of 40380961728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5684299

Divisors of 40380961728

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 148 192 222 296 444 592 888 1184 1776 2368 3552 7104 5684257 11368514 17052771 22737028 34105542 45474056 68211084 90948112 136422168 181896224 210317509 272844336 363792448 420635018 545688672 630952527 841270036 1091377344 1261905054 1682540072 2523810108 3365080144 5047620216 6730160288 10095240432 13460320576 20190480864 40380961728
• Sum of all divisors σ(n): 109728916432
• Sum of proper divisors (its aliquot sum) s(n): 69347954704
• 40380961728 is an abundant number, because the sum of its proper divisors (69347954704) is greater than itself. Its abundance is 28966992976

Bases of 40380961728

• Binary: 100101100110111001001001001111000000₂
• Hexadecimal: 0x966E493C0
• Base-36: IJTS5HC

Squares and roots of 40380961728

• 40380961728 squared (40380961728²) is 1630622070078200745984
• 40380961728 cubed (40380961728³) is 65846087404659958290680953700352
• The square root of 40380961728 is 200950.1473699385
• The cube root of 40380961728 is 3430.7748627781

Scales and comparisons

• 40,380,961,728 seconds is equal to 1,283 years, 51 weeks, 3 days, 5 hours, 48 minutes, 48 seconds.
• To count from 1 to 40,380,961,728 would take you about two thousand, five hundred sixty-seven 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 40380961728 cubic inches would be around 285.9 feet tall.

Recreational maths with 40380961728

• 40380961728 backwards is 82716908304
• 40380961728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40380961728's digits is 48
• More coming soon!