30998716872

Names of 30998716872

• Cardinal: 30998716872 can be written as Thirty billion, nine hundred ninety-eight million, seven hundred sixteen thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.0998716872 × 10¹⁰

Factors of 30998716872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11978

Divisors of 30998716872

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 67 134 201 268 402 536 804 1608 1933 3866 5799 7732 9973 11598 15464 19946 23196 29919 39892 46392 59838 79784 119676 129511 239352 259022 388533 518044 668191 777066 1036088 1336382 1554132 2004573 2672764 3108264 4009146 5345528 8018292 16036584 19277809 38555618 57833427 77111236 115666854 154222472 231333708 462667416 1291613203 2583226406 3874839609 5166452812 7749679218 10332905624 15499358436 30998716872
• Sum of all divisors σ(n): 78702041280
• Sum of proper divisors (its aliquot sum) s(n): 47703324408
• 30998716872 is an abundant number, because the sum of its proper divisors (47703324408) is greater than itself. Its abundance is 16704607536

Bases of 30998716872

• Binary: 11100110111101010101110000111001000₂
• Hexadecimal: 0x737AAE1C8
• Base-36: E8NU30O

Squares and roots of 30998716872

• 30998716872 squared (30998716872²) is 960920447710417464384
• 30998716872 cubed (30998716872³) is 29787300895090711623363759886848
• The square root of 30998716872 is 176064.5247402213
• The cube root of 30998716872 is 3141.3373099281

Scales and comparisons

• 30,998,716,872 seconds is equal to 985 years, 34 weeks, 3 days, 10 hours, 41 minutes, 12 seconds.
• To count from 1 to 30,998,716,872 would take you about one thousand, nine hundred seventy-one 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 30998716872 cubic inches would be around 261.8 feet tall.

Recreational maths with 30998716872

• 30998716872 backwards is 27861789903
• The number of decimal digits it has is: 11
• The sum of 30998716872's digits is 60
• More coming soon!