72409074863644840

Names of 72409074863644840

• Cardinal: 72409074863644840 can be written as Seventy-two quadrillion, four hundred nine trillion, seventy-four billion, eight hundred sixty-three million, six hundred forty-four thousand, eight hundred forty.

Scientific notation

• Scientific notation: 7.240907486364484 × 10¹⁶

Factors of 72409074863644840

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 42546768

Divisors of 72409074863644840

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 8 10 20 40 42546761 85093522 170187044 212733805 340374088 425467610 850935220 1701870440 1810226871591121 3620453743182242 7240907486364484 9051134357955605 14481814972728968 18102268715911210 36204537431822420 72409074863644840
• Sum of all divisors σ(n): 162920422272409470
• Sum of proper divisors (its aliquot sum) s(n): 90511347408764630
• 72409074863644840 is an abundant number, because the sum of its proper divisors (90511347408764630) is greater than itself. Its abundance is 18102272545119790

Bases of 72409074863644840

• Binary: 100000001001111111010101110000001110000110010000010101000₂
• Hexadecimal: 0x1013FAB81C320A8
• Base-36: JSYVHRUWIP4

Squares and roots of 72409074863644840

• 72409074863644840 squared (72409074863644840²) is 5243074122608923004438729658625600
• 72409074863644840 cubed (72409074863644840³) is 379646146659628490617429995058221774521360931904000
• The square root of 72409074863644840 is 269089343.6456465103
• The cube root of 72409074863644840 is 416803.1568001581

Scales and comparisons

• 72,409,074,863,644,840 seconds is equal to 2,302,384,604 years, 35 weeks, 6 days, 40 seconds.
• To count from 1 to 72,409,074,863,644,840 would take you about six billion, nine hundred seven million, one hundred fifty-three thousand, eight hundred fourteen 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 72409074863644840 cubic inches would be around 34733.6 feet tall.

Recreational maths with 72409074863644840

• 72409074863644840 backwards is 04844636847090427
• The number of decimal digits it has is: 17
• The sum of 72409074863644840's digits is 76
• More coming soon!