21616190442

Names of 21616190442

• Cardinal: 21616190442 can be written as Twenty-one billion, six hundred sixteen million, one hundred ninety thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 2.1616190442 × 10¹⁰

Factors of 21616190442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1929

Divisors of 21616190442

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 27 33 42 54 63 66 77 99 121 126 154 189 198 231 242 293 297 363 378 462 586 594 693 726 847 879 1089 1386 1613 1694 1758 2051 2079 2178 2541 2637 3223 3226 3267 4102 4158 4839 5082 5274 6153 6446 6534 7623 7911 9669 9678 11291 12306 14517 15246 15822 17743 18459 19338 22561 22582 22869 29007 29034 33873 35453 35486 36918 43551 45122 45738 53229 55377 58014 67683 67746 70906 87021 87102 101619 106359 106458 110754 124201 135366 159687 174042 195173 203049 203238 212718 248171 248402 304857 319077 319374 372603 390346 406098 472609 479061 496342 585519 609147 609714 638154 744513 745206 945218 957231 958122 1117809 1171038 1218294 1366211 1417827 1489026 1756557 1914462 2233539 2235618 2732422 2835654 3308263 3353427 3513114 4098633 4253481 4467078 5198699 5269671 6616526 6700617 6706854 8197266 8506962 9924789 10397398 10539342 12295899 12760443 13401234 15596097 19849578 24591798 25520886 29774367 31192194 36390893 36887697 46788291 57185689 59548734 72781786 73775394 89323101 93576582 109172679 114371378 140364873 171557067 178646202 218345358 280729746 327518037 343114134 400299823 514671201 655036074 800599646 982554111 1029342402 1200899469 1544013603 1965108222 2401798938 3088027206 3602698407 7205396814 10808095221 21616190442
• Sum of all divisors σ(n): 60586202880
• Sum of proper divisors (its aliquot sum) s(n): 38970012438
• 21616190442 is an abundant number, because the sum of its proper divisors (38970012438) is greater than itself. Its abundance is 17353821996

Bases of 21616190442

• Binary: 10100001000011011001110001111101010₂
• Hexadecimal: 0x5086CE3EA
• Base-36: 9XHPZAI

Squares and roots of 21616190442

• 21616190442 squared (21616190442²) is 467259689224812155364
• 21616190442 cubed (21616190442³) is 10100374428153274902024715830888
• The square root of 21616190442 is 147024.4552514989
• The cube root of 21616190442 is 2785.6489539303

Scales and comparisons

• 21,616,190,442 seconds is equal to 687 years, 17 weeks, 9 hours, 20 minutes, 42 seconds.
• To count from 1 to 21,616,190,442 would take you about one thousand, three hundred seventy-four years!

  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 21616190442 cubic inches would be around 232.1 feet tall.

Recreational maths with 21616190442

• 21616190442 backwards is 24409161612
• The number of decimal digits it has is: 11
• The sum of 21616190442's digits is 36
• More coming soon!