72904942028

Names of 72904942028

• Cardinal: 72904942028 can be written as Seventy-two billion, nine hundred four million, nine hundred forty-two thousand and twenty-eight.

Scientific notation

• Scientific notation: 7.2904942028 × 10¹⁰

Factors of 72904942028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 592

Divisors of 72904942028

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 19 38 73 76 89 146 178 292 356 361 409 722 818 1387 1444 1636 1691 2774 3382 5548 6497 6764 6859 7771 12994 13718 15542 25988 26353 27436 29857 31084 32129 36401 52706 59714 64258 72802 105412 119428 123443 128516 145604 147649 246886 295298 493772 500707 567283 590596 610451 691619 1001414 1134566 1220902 1383238 2002828 2269132 2345417 2441804 2657273 2766476 2805331 4690834 5314546 5610662 9381668 10629092 10778377 11221324 13140761 21556754 26281522 43113508 44562923 50488187 52563044 89125846 100976374 178251692 201952748 204789163 249674459 409578326 499348918 819156652 959275553 998697836 1918551106 3837102212 18226235507 36452471014 72904942028
• Sum of all divisors σ(n): 138386808000
• Sum of proper divisors (its aliquot sum) s(n): 65481865972
• 72904942028 is a deficient number, because the sum of its proper divisors (65481865972) is less than itself. Its deficiency is 7423076056

Bases of 72904942028

• Binary: 1000011111001011110010010000111001100₂
• Hexadecimal: 0x10F97921CC
• Base-36: XHPPXAK

Squares and roots of 72904942028

• 72904942028 squared (72904942028²) is 5315130572106040752784
• 72904942028 cubed (72904942028³) is 387499286230641374950322999605952
• The square root of 72904942028 is 270009.1517486027
• The cube root of 72904942028 is 4177.5243467275

Scales and comparisons

• 72,904,942,028 seconds is equal to 2,318 years, 7 weeks, 6 days, 4 hours, 47 minutes, 8 seconds.
• To count from 1 to 72,904,942,028 would take you about four thousand, six hundred thirty-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 72904942028 cubic inches would be around 348.1 feet tall.

Recreational maths with 72904942028

• 72904942028 backwards is 82024940927
• The number of decimal digits it has is: 11
• The sum of 72904942028's digits is 47
• More coming soon!