72918713006390

Names of 72918713006390

• Cardinal: 72918713006390 can be written as Seventy-two trillion, nine hundred eighteen billion, seven hundred thirteen million, six thousand, three hundred ninety.

Scientific notation

• Scientific notation: 7.291871300639 × 10¹³

Factors of 72918713006390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4712

Divisors of 72918713006390

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 5 10 881 1231 1762 2462 2593 4405 5186 6155 8810 12310 12965 25930 1084511 2169022 2284433 3191983 4568866 5422555 6383966 6723649 10845110 11422165 13447298 15959915 22844330 31919830 33618245 67236490 2812137023 5624274046 5923534769 8276811919 11847069538 14060685115 16553623838 28121370230 29617673845 41384059595 59235347690 82768119190 7291871300639 14583742601278 36459356503195 72918713006390
• Sum of all divisors σ(n): 131560147325376
• Sum of proper divisors (its aliquot sum) s(n): 58641434318986
• 72918713006390 is a deficient number, because the sum of its proper divisors (58641434318986) is less than itself. Its deficiency is 14277278687404

Bases of 72918713006390

• Binary: 10000100101000110110101111111000111100100110110₂
• Hexadecimal: 0x4251B5FC7936
• Base-36: PUIE70O52

Squares and roots of 72918713006390

• 72918713006390 squared (72918713006390²) is 5317138706508270152180832100
• 72918713006390 cubed (72918713006390³) is 387718911355044299687928266273522817119000
• The square root of 72918713006390 is 8539245.4588441243
• The cube root of 72918713006390 is 41777.8736033617

Scales and comparisons

• 72,918,713,006,390 seconds is equal to 2,318,589 years, 27 weeks, 17 hours, 19 minutes, 50 seconds.
• To count from 1 to 72,918,713,006,390 would take you about five million, seven hundred ninety-six thousand, four hundred seventy-three 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 72918713006390 cubic inches would be around 3481.5 feet tall.

Recreational maths with 72918713006390

• 72918713006390 backwards is 09360031781927
• The number of decimal digits it has is: 14
• The sum of 72918713006390's digits is 56
• More coming soon!