21834450

Names of 21834450

• Cardinal: 21834450 can be written as Twenty-one million, eight hundred thirty-four thousand, four hundred fifty.

Scientific notation

• Scientific notation: 2.183445 × 10⁷

Factors of 21834450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 422

Divisors of 21834450

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 25 30 33 45 50 55 66 75 90 99 110 121 150 165 198 225 242 275 330 363 401 450 495 550 605 726 802 825 990 1089 1203 1210 1650 1815 2005 2178 2406 2475 3025 3609 3630 4010 4411 4950 5445 6015 6050 7218 8822 9075 10025 10890 12030 13233 18045 18150 20050 22055 26466 27225 30075 36090 39699 44110 48521 54450 60150 66165 79398 90225 97042 110275 132330 145563 180450 198495 220550 242605 291126 330825 396990 436689 485210 661650 727815 873378 992475 1213025 1455630 1984950 2183445 2426050 3639075 4366890 7278150 10917225 21834450
• Sum of all divisors σ(n): 64640394
• Sum of proper divisors (its aliquot sum) s(n): 42805944
• 21834450 is an abundant number, because the sum of its proper divisors (42805944) is greater than itself. Its abundance is 20971494

Bases of 21834450

• Binary: 1010011010010101011010010₂
• Hexadecimal: 0x14D2AD2
• Base-36: CZZKI

Squares and roots of 21834450

• 21834450 squared (21834450²) is 476743206802500
• 21834450 cubed (21834450³) is 10409425711768846125000
• The square root of 21834450 is 4672.7347453071
• The cube root of 21834450 is 279.4993178235

Scales and comparisons

• 21,834,450 seconds is equal to 36 weeks, 17 hours, 7 minutes, 30 seconds.
• To count from 1 to 21,834,450 would take you about two weeks!

  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 21834450 cubic inches would be around 23.3 feet tall.

Recreational maths with 21834450

• 21834450 backwards is 05443812
• The number of decimal digits it has is: 8
• The sum of 21834450's digits is 27
• More coming soon!