21117132

Names of 21117132

• Cardinal: 21117132 can be written as Twenty-one million, one hundred seventeen thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 2.1117132 × 10⁷

Factors of 21117132

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 316

Divisors of 21117132

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 27 36 38 41 54 57 76 82 108 114 123 164 171 228 246 251 342 369 492 502 513 684 738 753 779 1004 1026 1107 1476 1506 1558 2052 2214 2259 2337 3012 3116 4428 4518 4674 4769 6777 7011 9036 9348 9538 10291 13554 14022 14307 19076 20582 21033 27108 28044 28614 30873 41164 42066 42921 57228 61746 84132 85842 92619 123492 128763 171684 185238 195529 257526 277857 370476 391058 515052 555714 586587 782116 1111428 1173174 1759761 2346348 3519522 5279283 7039044 10558566 21117132
• Sum of all divisors σ(n): 59270400
• Sum of proper divisors (its aliquot sum) s(n): 38153268
• 21117132 is an abundant number, because the sum of its proper divisors (38153268) is greater than itself. Its abundance is 17036136

Bases of 21117132

• Binary: 1010000100011100011001100₂
• Hexadecimal: 0x14238CC
• Base-36: CKM30

Squares and roots of 21117132

• 21117132 squared (21117132²) is 445933263905424
• 21117132 cubed (21117132³) is 9416831597081674123968
• The square root of 21117132 is 4595.3380724381
• The cube root of 21117132 is 276.4044165799

Scales and comparisons

• 21,117,132 seconds is equal to 34 weeks, 6 days, 9 hours, 52 minutes, 12 seconds.
• To count from 1 to 21,117,132 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 21117132 cubic inches would be around 23 feet tall.

Recreational maths with 21117132

• 21117132 backwards is 23171112
• 21117132 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21117132's digits is 18
• More coming soon!