72746601664

Names of 72746601664

• Cardinal: 72746601664 can be written as Seventy-two billion, seven hundred forty-six million, six hundred one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 7.2746601664 × 10¹⁰

Factors of 72746601664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 224

Divisors of 72746601664

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 176 211 242 352 422 484 704 844 968 1688 1936 2321 3376 3872 4642 6752 7744 9284 13504 18568 25531 37136 44521 51062 74272 89042 102124 148544 178084 204248 356168 408496 489731 712336 816992 979462 1424672 1633984 1958924 2849344 3917848 5387041 7835696 9393931 10774082 15671392 18787862 21548164 31342784 37575724 43096328 75151448 86192656 103333241 150302896 172385312 206666482 300605792 344770624 413332964 601211584 826665928 1136665651 1653331856 2273331302 3306663712 4546662604 6613327424 9093325208 18186650416 36373300832 72746601664
• Sum of all divisors σ(n): 159428473624
• Sum of proper divisors (its aliquot sum) s(n): 86681871960
• 72746601664 is an abundant number, because the sum of its proper divisors (86681871960) is greater than itself. Its abundance is 13935270296

Bases of 72746601664

• Binary: 1000011110000000010010000110011000000₂
• Hexadecimal: 0x10F0090CC0
• Base-36: XF3G534

Squares and roots of 72746601664

• 72746601664 squared (72746601664²) is 5292068053660687568896
• 72746601664 cubed (72746601664³) is 384979966678433815590833868242944
• The square root of 72746601664 is 269715.7794123287
• The cube root of 72746601664 is 4174.4978021019

Scales and comparisons

• 72,746,601,664 seconds is equal to 2,313 years, 6 weeks, 13 hours, 21 minutes, 4 seconds.
• To count from 1 to 72,746,601,664 would take you about four thousand, six hundred twenty-six 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 72746601664 cubic inches would be around 347.9 feet tall.

Recreational maths with 72746601664

• 72746601664 backwards is 46610664727
• The number of decimal digits it has is: 11
• The sum of 72746601664's digits is 49
• More coming soon!