27945216390

Names of 27945216390

• Cardinal: 27945216390 can be written as Twenty-seven billion, nine hundred forty-five million, two hundred sixteen thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.794521639 × 10¹⁰

Factors of 27945216390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2210

Divisors of 27945216390

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 169 182 195 210 273 338 390 455 457 507 546 845 910 914 1014 1183 1365 1371 1690 1723 2285 2366 2535 2730 2742 3199 3446 3549 4570 5070 5169 5915 5941 6398 6855 7098 8615 9597 10338 11830 11882 12061 13710 15995 17230 17745 17823 19194 22399 24122 25845 29705 31990 35490 35646 36183 41587 44798 47985 51690 59410 60305 67197 72366 77233 83174 89115 95970 111995 120610 124761 134394 154466 156793 178230 180915 207935 223990 231699 249522 291187 313586 335985 361830 386165 415870 463398 470379 540631 582374 623805 671970 772330 783965 787411 873561 940758 1081262 1158495 1247610 1455935 1567930 1574822 1621893 1747122 2038309 2316990 2351895 2362233 2703155 2911870 3243786 3937055 4076618 4367805 4703790 4724466 5406310 5511877 6114927 7874110 8109465 8735610 10191545 10236343 11023754 11811165 12229854 16218930 16535631 20383090 20472686 23622330 27559385 30574635 30709029 33071262 51181715 55118770 61149270 61418058 71654401 82678155 102363430 133072459 143308802 153545145 165356310 214963203 266144918 307090290 358272005 399217377 429926406 665362295 716544010 798434754 931507213 1074816015 1330724590 1863014426 1996086885 2149632030 2794521639 3992173770 4657536065 5589043278 9315072130 13972608195 27945216390
• Sum of all divisors σ(n): 83229313536
• Sum of proper divisors (its aliquot sum) s(n): 55284097146
• 27945216390 is an abundant number, because the sum of its proper divisors (55284097146) is greater than itself. Its abundance is 27338880756

Bases of 27945216390

• Binary: 11010000001101010100010100110000110₂
• Hexadecimal: 0x681AA2986
• Base-36: CU5UYYU

Squares and roots of 27945216390

• 27945216390 squared (27945216390²) is 780935119083924632100
• 27945216390 cubed (27945216390³) is 21823400889350692414485640119000
• The square root of 27945216390 is 167168.2278125841
• The cube root of 27945216390 is 3034.6072585587

Scales and comparisons

• 27,945,216,390 seconds is equal to 888 years, 29 weeks, 5 days, 6 minutes, 30 seconds.
• To count from 1 to 27,945,216,390 would take you about one thousand, seven hundred seventy-seven 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 27945216390 cubic inches would be around 252.9 feet tall.

Recreational maths with 27945216390

• 27945216390 backwards is 09361254972
• The number of decimal digits it has is: 11
• The sum of 27945216390's digits is 48
• More coming soon!