21032628980

Names of 21032628980

• Cardinal: 21032628980 can be written as Twenty-one billion, thirty-two million, six hundred twenty-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.103262898 × 10¹⁰

Factors of 21032628980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 77044

Divisors of 21032628980

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 11 20 22 44 55 110 113 121 220 226 242 452 484 565 605 1130 1210 1243 2260 2420 2486 4972 6215 12430 13673 24860 27346 54692 68365 76913 136730 153826 273460 307652 384565 769130 846043 1538260 1692086 3384172 4230215 8460430 8691169 9306473 16920860 17382338 18612946 34764676 37225892 43455845 46532365 86911690 93064730 95602859 173823380 186129460 191205718 382411436 478014295 956028590 1051631449 1912057180 2103262898 4206525796 5258157245 10516314490 21032628980
• Sum of all divisors σ(n): 48979142856
• Sum of proper divisors (its aliquot sum) s(n): 27946513876
• 21032628980 is an abundant number, because the sum of its proper divisors (27946513876) is greater than itself. Its abundance is 6913884896

Bases of 21032628980

• Binary: 10011100101101001000111001011110100₂
• Hexadecimal: 0x4E5A472F4
• Base-36: 9NUA8DW

Squares and roots of 21032628980

• 21032628980 squared (21032628980²) is 442371481810335840400
• 21032628980 cubed (21032628980³) is 9304235248249612460329694792000
• The square root of 21032628980 is 145026.3044416425
• The cube root of 21032628980 is 2760.3523398467

Scales and comparisons

• 21,032,628,980 seconds is equal to 668 years, 40 weeks, 1 day, 4 hours, 56 minutes, 20 seconds.
• To count from 1 to 21,032,628,980 would take you about one thousand, three hundred thirty-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 21032628980 cubic inches would be around 230 feet tall.

Recreational maths with 21032628980

• 21032628980 backwards is 08982623012
• The number of decimal digits it has is: 11
• The sum of 21032628980's digits is 41
• More coming soon!