21088189395

Names of 21088189395

• Cardinal: 21088189395 can be written as Twenty-one billion, eighty-eight million, one hundred eighty-nine thousand, three hundred ninety-five.

Scientific notation

• Scientific notation: 2.1088189395 × 10¹⁰

Factors of 21088189395

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2247

Divisors of 21088189395

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 13 15 19 21 35 39 45 57 63 65 91 95 105 117 131 133 171 195 247 273 285 315 393 399 455 585 655 665 741 819 855 917 1179 1197 1235 1365 1703 1729 1965 1995 2069 2223 2489 2751 3705 4095 4585 5109 5187 5895 5985 6207 7467 8253 8515 8645 10345 11115 11921 12445 13755 14483 15327 15561 17423 18621 22401 25545 25935 26897 31035 32357 35763 37335 39311 41265 43449 52269 59605 72415 76635 77805 80691 87115 93105 97071 107289 112005 117933 130347 134485 156807 161785 178815 188279 196555 217245 226499 242073 261345 271039 275177 291213 353799 403455 485355 511043 536445 564837 589665 651735 679497 784035 813117 825531 941395 1132495 1210365 1355195 1375885 1456065 1533129 1694511 1768995 1897273 2038491 2439351 2476593 2555215 2824185 3397485 3523507 3577301 4065585 4127655 4599387 5149741 5691819 7665645 8472555 9486365 10192455 10570521 10731903 12196755 12382965 15449223 17075457 17617535 17886505 22996935 24664549 25748705 28459095 31711563 32195709 36048187 46347669 52852605 53659515 66946633 73993647 77246115 85377285 108144561 123322745 158557815 160978545 180240935 200839899 221980941 231738345 324433683 334733165 369968235 468626431 540722805 602519697 1004199495 1109904705 1405879293 1622168415 2343132155 3012598485 4217637879 7029396465 21088189395
• Sum of all divisors σ(n): 47740492800
• Sum of proper divisors (its aliquot sum) s(n): 26652303405
• 21088189395 is an abundant number, because the sum of its proper divisors (26652303405) is greater than itself. Its abundance is 5564114010

Bases of 21088189395

• Binary: 10011101000111101000011101111010011₂
• Hexadecimal: 0x4E8F43BD3
• Base-36: 9ORD32R

Squares and roots of 21088189395

• 21088189395 squared (21088189395²) is 444711731959390466025
• 21088189395 cubed (21088189395³) is 9378165229738100596292512804875
• The square root of 21088189395 is 145217.7309938425
• The cube root of 21088189395 is 2762.7808121957

Scales and comparisons

• 21,088,189,395 seconds is equal to 670 years, 28 weeks, 6 hours, 23 minutes, 15 seconds.
• To count from 1 to 21,088,189,395 would take you about one thousand, three hundred forty-one 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 21088189395 cubic inches would be around 230.2 feet tall.

Recreational maths with 21088189395

• 21088189395 backwards is 59398188012
• The number of decimal digits it has is: 11
• The sum of 21088189395's digits is 54
• More coming soon!