21057058120

Names of 21057058120

• Cardinal: 21057058120 can be written as Twenty-one billion, fifty-seven million, fifty-eight thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.105705812 × 10¹⁰

Factors of 21057058120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1188

Divisors of 21057058120

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 233 245 280 343 392 466 490 686 932 941 980 1165 1372 1631 1715 1864 1882 1960 2330 2401 2744 3262 3430 3764 4660 4705 4802 6524 6587 6860 7528 8155 9320 9410 9604 11417 12005 13048 13174 13720 16310 18820 19208 22834 24010 26348 32620 32935 37640 45668 46109 48020 52696 57085 65240 65870 79919 91336 92218 96040 114170 131740 159838 184436 219253 228340 230545 263480 319676 322763 368872 399595 438506 456680 461090 559433 639352 645526 799190 877012 922180 1096265 1118866 1291052 1534771 1598380 1613815 1754024 1844360 2192530 2237732 2259341 2582104 2797165 3069542 3196760 3227630 4385060 4475464 4518682 5594330 6139084 6455260 7673855 8770120 9037364 10743397 11188660 11296705 12278168 12910520 15347710 18074728 21486794 22377320 22593410 30695420 42973588 45186820 53716985 61390840 75203779 85947176 90373640 107433970 150407558 214867940 300815116 376018895 429735880 526426453 601630232 752037790 1052852906 1504075580 2105705812 2632132265 3008151160 4211411624 5264264530 10528529060 21057058120
• Sum of all divisors σ(n): 55567694520
• Sum of proper divisors (its aliquot sum) s(n): 34510636400
• 21057058120 is an abundant number, because the sum of its proper divisors (34510636400) is greater than itself. Its abundance is 13453578280

Bases of 21057058120

• Binary: 10011100111000110010011010101001000₂
• Hexadecimal: 0x4E7193548
• Base-36: 9O8TU14

Squares and roots of 21057058120

• 21057058120 squared (21057058120²) is 443399696669057934400
• 21057058120 cubed (21057058120³) is 9336693183150723330307947328000
• The square root of 21057058120 is 145110.5031346801
• The cube root of 21057058120 is 2761.4206314539

Scales and comparisons

• 21,057,058,120 seconds is equal to 669 years, 28 weeks, 3 days, 22 hours, 48 minutes, 40 seconds.
• To count from 1 to 21,057,058,120 would take you about one thousand, three hundred thirty-nine 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 21057058120 cubic inches would be around 230.1 feet tall.

Recreational maths with 21057058120

• 21057058120 backwards is 02185075012
• The number of decimal digits it has is: 11
• The sum of 21057058120's digits is 31
• More coming soon!