21104971600

Names of 21104971600

• Cardinal: 21104971600 can be written as Twenty-one billion, one hundred four million, nine hundred seventy-one thousand, six hundred.

Scientific notation

• Scientific notation: 2.11049716 × 10¹⁰

Factors of 21104971600

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9981

Divisors of 21104971600

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 73 80 100 146 200 292 365 400 584 730 1168 1460 1825 2920 3650 5329 5840 7300 9901 10658 14600 19802 21316 26645 29200 39604 42632 49505 53290 79208 85264 99010 106580 133225 158416 198020 213160 247525 266450 396040 426320 495050 532900 722773 792080 990100 1065800 1445546 1980200 2131600 2891092 3613865 3960400 5782184 7227730 11564368 14455460 18069325 28910920 36138650 52762429 57821840 72277300 105524858 144554600 211049716 263812145 289109200 422099432 527624290 844198864 1055248580 1319060725 2110497160 2638121450 4220994320 5276242900 10552485800 21104971600
• Sum of all divisors σ(n): 51413986266
• Sum of proper divisors (its aliquot sum) s(n): 30309014666
• 21104971600 is an abundant number, because the sum of its proper divisors (30309014666) is greater than itself. Its abundance is 9204043066

Bases of 21104971600

• Binary: 10011101001111101000100111101010000₂
• Hexadecimal: 0x4E9F44F50
• Base-36: 9P1CSB4

Squares and roots of 21104971600

• 21104971600 squared (21104971600²) is 445419826236806560000
• 21104971600 cubed (21104971600³) is 9400572782804737323493696000000
• The square root of 21104971600 is 145275.5024083549
• The cube root of 21104971600 is 2763.5135013031

Scales and comparisons

• 21,104,971,600 seconds is equal to 671 years, 3 weeks, 5 days, 12 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,104,971,600 would take you about one thousand, three hundred forty-two 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 21104971600 cubic inches would be around 230.3 feet tall.

Recreational maths with 21104971600

• 21104971600 backwards is 00617940112
• The number of decimal digits it has is: 11
• The sum of 21104971600's digits is 31
• More coming soon!