30628789872

Names of 30628789872

• Cardinal: 30628789872 can be written as Thirty billion, six hundred twenty-eight million, seven hundred eighty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.0628789872 × 10¹⁰

Factors of 30628789872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4236

Divisors of 30628789872

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 29 48 58 73 87 116 146 174 219 232 292 348 438 464 584 696 876 1168 1392 1752 2117 3504 4129 4234 5329 6351 8258 8468 10658 12387 12702 15987 16516 16936 21316 24774 25404 31974 33032 33872 42632 49548 50808 63948 66064 85264 99096 101616 119741 127896 154541 198192 239482 255792 301417 309082 359223 463623 478964 602834 618164 718446 904251 927246 957928 1205668 1236328 1436892 1808502 1854492 1915856 2411336 2472656 2873784 3617004 3708984 4822672 5747568 7234008 7417968 8741093 14468016 17482186 22003441 26223279 34964372 44006882 52446558 66010323 69928744 88013764 104893116 132020646 139857488 176027528 209786232 264041292 352055056 419572464 528082584 638099789 1056165168 1276199578 1914299367 2552399156 3828598734 5104798312 7657197468 10209596624 15314394936 30628789872
• Sum of all divisors σ(n): 83009530800
• Sum of proper divisors (its aliquot sum) s(n): 52380740928
• 30628789872 is an abundant number, because the sum of its proper divisors (52380740928) is greater than itself. Its abundance is 21751951056

Bases of 30628789872

• Binary: 11100100001100111100011111001110000₂
• Hexadecimal: 0x7219E3E70
• Base-36: E2JL9IO

Squares and roots of 30628789872

• 30628789872 squared (30628789872²) is 938122769023129776384
• 30628789872 cubed (30628789872³) is 28733565166548232628651883982848
• The square root of 30628789872 is 175010.8278707349
• The cube root of 30628789872 is 3128.7914257995

Scales and comparisons

• 30,628,789,872 seconds is equal to 973 years, 46 weeks, 5 days, 21 hours, 11 minutes, 12 seconds.
• To count from 1 to 30,628,789,872 would take you about one thousand, nine hundred forty-seven 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 30628789872 cubic inches would be around 260.7 feet tall.

Recreational maths with 30628789872

• 30628789872 backwards is 27898782603
• The number of decimal digits it has is: 11
• The sum of 30628789872's digits is 60
• More coming soon!