72528794912

Names of 72528794912

• Cardinal: 72528794912 can be written as Seventy-two billion, five hundred twenty-eight million, seven hundred ninety-four thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 7.2528794912 × 10¹⁰

Factors of 72528794912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5108

Divisors of 72528794912

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 49 56 58 98 112 116 196 203 224 232 337 392 406 464 674 784 812 928 1348 1421 1568 1624 2359 2696 2842 3248 4718 4733 5392 5684 6496 9436 9466 9773 10784 11368 16513 18872 18932 19546 22736 33026 33131 37744 37864 39092 45472 66052 66262 68411 75488 75728 78184 132104 132524 136822 137257 151456 156368 231917 264208 265048 273644 274514 312736 463834 478877 528416 530096 547288 549028 927668 957754 960799 1060192 1094576 1098056 1595021 1855336 1915508 1921598 2189152 2196112 3190042 3710672 3831016 3843196 4392224 6380084 6725593 7421344 7662032 7686392 11165147 12760168 13451186 15324064 15372784 22330294 25520336 26902372 30745568 44660588 46255609 51040672 53804744 78156029 89321176 92511218 107609488 156312058 178642352 185022436 215218976 312624116 323789263 357284704 370044872 625248232 647578526 740089744 1250496464 1295157052 1480179488 2266524841 2500992928 2590314104 4533049682 5180628208 9066099364 10361256416 18132198728 36264397456 72528794912
• Sum of all divisors σ(n): 172377911160
• Sum of proper divisors (its aliquot sum) s(n): 99849116248
• 72528794912 is an abundant number, because the sum of its proper divisors (99849116248) is greater than itself. Its abundance is 27320321336

Bases of 72528794912

• Binary: 1000011100011000011011001010100100000₂
• Hexadecimal: 0x10E30D9520
• Base-36: XBHRSBK

Squares and roots of 72528794912

• 72528794912 squared (72528794912²) is 5260426091386957087744
• 72528794912 cubed (72528794912³) is 381532365131938380248729364758528
• The square root of 72528794912 is 269311.7058577291
• The cube root of 72528794912 is 4170.3274228737

Scales and comparisons

• 72,528,794,912 seconds is equal to 2,306 years, 9 weeks, 6 days, 15 hours, 28 minutes, 32 seconds.
• To count from 1 to 72,528,794,912 would take you about four thousand, six hundred twelve 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 72528794912 cubic inches would be around 347.5 feet tall.

Recreational maths with 72528794912

• 72528794912 backwards is 21949782527
• 72528794912 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72528794912's digits is 56
• More coming soon!