21101120

Names of 21101120

• Cardinal: 21101120 can be written as Twenty-one million, one hundred one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.110112 × 10⁷

Factors of 21101120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 138

Divisors of 21101120

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 32 40 46 47 61 64 80 92 94 115 122 160 184 188 230 235 244 305 320 368 376 460 470 488 610 736 752 920 940 976 1081 1220 1403 1472 1504 1840 1880 1952 2162 2440 2806 2867 3008 3680 3760 3904 4324 4880 5405 5612 5734 7015 7360 7520 8648 9760 10810 11224 11468 14030 14335 15040 17296 19520 21620 22448 22936 28060 28670 34592 43240 44896 45872 56120 57340 65941 69184 86480 89792 91744 112240 114680 131882 172960 183488 224480 229360 263764 329705 345920 448960 458720 527528 659410 917440 1055056 1318820 2110112 2637640 4220224 5275280 10550560 21101120
• Sum of all divisors σ(n): 54425088
• Sum of proper divisors (its aliquot sum) s(n): 33323968
• 21101120 is an abundant number, because the sum of its proper divisors (33323968) is greater than itself. Its abundance is 12222848

Bases of 21101120

• Binary: 1010000011111101001000000₂
• Hexadecimal: 0x141FA40
• Base-36: CK9Q8

Squares and roots of 21101120

• 21101120 squared (21101120²) is 445257265254400
• 21101120 cubed (21101120³) is 9395426985004924928000
• The square root of 21101120 is 4593.5955416209
• The cube root of 21101120 is 276.3345379839

Scales and comparisons

• 21,101,120 seconds is equal to 34 weeks, 6 days, 5 hours, 25 minutes, 20 seconds.
• To count from 1 to 21,101,120 would take you about two days!

  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 21101120 cubic inches would be around 23 feet tall.

Recreational maths with 21101120

• 21101120 backwards is 02110112
• 21101120 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21101120's digits is 8
• More coming soon!