21193152

Names of 21193152

• Cardinal: 21193152 can be written as Twenty-one million, one hundred ninety-three thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 2.1193152 × 10⁷

Factors of 21193152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 216

Divisors of 21193152

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 43 48 51 64 68 86 96 102 129 136 151 172 192 204 258 272 302 344 408 453 516 544 604 688 731 816 906 1032 1088 1208 1376 1462 1632 1812 2064 2193 2416 2567 2752 2924 3264 3624 4128 4386 4832 5134 5848 6493 7248 7701 8256 8772 9664 10268 11696 12986 14496 15402 17544 19479 20536 23392 25972 28992 30804 35088 38958 41072 46784 51944 61608 70176 77916 82144 103888 110381 123216 140352 155832 164288 207776 220762 246432 311664 331143 415552 441524 492864 623328 662286 883048 1246656 1324572 1766096 2649144 3532192 5298288 7064384 10596576 21193152
• Sum of all divisors σ(n): 61155072
• Sum of proper divisors (its aliquot sum) s(n): 39961920
• 21193152 is an abundant number, because the sum of its proper divisors (39961920) is greater than itself. Its abundance is 18768768

Bases of 21193152

• Binary: 1010000110110000111000000₂
• Hexadecimal: 0x14361C0
• Base-36: CM8QO

Squares and roots of 21193152

• 21193152 squared (21193152²) is 449149691695104
• 21193152 cubed (21193152³) is 9518897686847476727808
• The square root of 21193152 is 4603.6020679463
• The cube root of 21193152 is 276.7356973601

Scales and comparisons

• 21,193,152 seconds is equal to 35 weeks, 6 hours, 59 minutes, 12 seconds.
• To count from 1 to 21,193,152 would take you about three 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 21193152 cubic inches would be around 23.1 feet tall.

Recreational maths with 21193152

• 21193152 backwards is 25139112
• 21193152 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21193152's digits is 24
• More coming soon!