21317088

Names of 21317088

• Cardinal: 21317088 can be written as Twenty-one million, three hundred seventeen thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1317088 × 10⁷

Factors of 21317088

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 97

Divisors of 21317088

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 29 31 32 38 39 48 52 57 58 62 76 78 87 93 96 104 114 116 124 152 156 174 186 208 228 232 247 248 304 312 348 372 377 403 416 456 464 494 496 551 589 608 624 696 741 744 754 806 899 912 928 988 992 1102 1131 1178 1209 1248 1392 1482 1488 1508 1612 1653 1767 1798 1824 1976 2204 2262 2356 2418 2697 2784 2964 2976 3016 3224 3306 3534 3596 3952 4408 4524 4712 4836 5394 5928 6032 6448 6612 7068 7163 7192 7657 7904 8816 9048 9424 9672 10788 11687 11856 12064 12896 13224 14136 14326 14384 15314 17081 17632 18096 18848 19344 21489 21576 22971 23374 23712 26448 28272 28652 28768 30628 34162 35061 36192 38688 42978 43152 45942 46748 51243 52896 56544 57304 61256 68324 70122 85956 86304 91884 93496 102486 114608 122512 136648 140244 171912 183768 186992 204972 222053 229216 245024 273296 280488 343824 367536 373984 409944 444106 546592 560976 666159 687648 735072 819888 888212 1121952 1332318 1639776 1776424 2664636 3552848 5329272 7105696 10658544 21317088
• Sum of all divisors σ(n): 67737600
• Sum of proper divisors (its aliquot sum) s(n): 46420512
• 21317088 is an abundant number, because the sum of its proper divisors (46420512) is greater than itself. Its abundance is 25103424

Bases of 21317088

• Binary: 1010001010100010111100000₂
• Hexadecimal: 0x14545E0
• Base-36: COWDC

Squares and roots of 21317088

• 21317088 squared (21317088²) is 454418240799744
• 21317088 cubed (21317088³) is 9686873627933333225472
• The square root of 21317088 is 4617.0432096743
• The cube root of 21317088 is 277.2740925817

Scales and comparisons

• 21,317,088 seconds is equal to 35 weeks, 1 day, 17 hours, 24 minutes, 48 seconds.
• To count from 1 to 21,317,088 would take you about six 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 21317088 cubic inches would be around 23.1 feet tall.

Recreational maths with 21317088

• 21317088 backwards is 88071312
• The number of decimal digits it has is: 8
• The sum of 21317088's digits is 30
• More coming soon!