72345936784

Names of 72345936784

• Cardinal: 72345936784 can be written as Seventy-two billion, three hundred forty-five million, nine hundred thirty-six thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 7.2345936784 × 10¹⁰

Factors of 72345936784

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6126

Divisors of 72345936784

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 4 8 11 16 22 44 88 121 176 242 484 968 1936 6113 12226 24452 48904 67243 97808 134486 268972 537944 739673 1075888 1479346 2958692 5917384 11834768 37368769 74737538 149475076 298950152 411056459 597900304 822112918 1644225836 3288451672 4521621049 6576903344 9043242098 18086484196 36172968392 72345936784
• Sum of all divisors σ(n): 154096642609
• Sum of proper divisors (its aliquot sum) s(n): 81750705825
• 72345936784 is an abundant number, because the sum of its proper divisors (81750705825) is greater than itself. Its abundance is 9404769041

Bases of 72345936784

• Binary: 1000011011000001001110110001110010000₂
• Hexadecimal: 0x10D8276390
• Base-36: X8GWI34

Squares and roots of 72345936784

• 72345936784 squared (72345936784²) is 5233934569154524262656
• 72345936784 cubed (72345936784³) is 378653899471645488633705187938304
• 72345936784 is a perfect square number. Its square root is 268972
• The cube root of 72345936784 is 4166.8197584057

Scales and comparisons

• 72,345,936,784 seconds is equal to 2,300 years, 19 weeks, 4 days, 5 hours, 33 minutes, 4 seconds.
• To count from 1 to 72,345,936,784 would take you about four thousand, six hundred 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 72345936784 cubic inches would be around 347.2 feet tall.

Recreational maths with 72345936784

• 72345936784 backwards is 48763954327
• The number of decimal digits it has is: 11
• The sum of 72345936784's digits is 58
• More coming soon!