21217588002

Names of 21217588002

• Cardinal: 21217588002 can be written as Twenty-one billion, two hundred seventeen million, five hundred eighty-eight thousand and two.

Scientific notation

• Scientific notation: 2.1217588002 × 10¹⁰

Factors of 21217588002

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 176

Divisors of 21217588002

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 38 39 57 78 114 117 139 169 171 234 247 278 338 342 361 417 494 507 722 741 834 1014 1083 1251 1482 1521 1807 2166 2223 2502 2641 3042 3211 3249 3614 4446 4693 5282 5421 6422 6498 7923 9386 9633 10842 14079 15846 16263 19266 19321 23491 23769 28158 28899 32526 34333 38642 42237 46982 47538 50179 57798 57963 61009 68666 70473 84474 100358 102999 115926 122018 140946 150537 173889 183027 205998 211419 251173 301074 308997 347778 366054 367099 422838 446329 451611 502346 549081 617994 652327 734198 753519 892658 903222 1098162 1101297 1304654 1338987 1507038 1956981 2202594 2260557 2677974 3265249 3303891 3913962 4016961 4521114 4772287 5870943 6530498 6607782 6974881 8033922 8480251 9544574 9795747 11741886 13949762 14316861 16960502 19591494 20924643 25440753 28633722 29387241 41849286 42950583 50881506 58774482 62039731 62773929 76322259 85901166 90673453 124079462 125547858 152644518 181346906 186119193 272020359 372238386 544040718 558357579 816061077 1116715158 1178754889 1632122154 2357509778 3536264667 7072529334 10608794001 21217588002
• Sum of all divisors σ(n): 52918292817
• Sum of proper divisors (its aliquot sum) s(n): 31700704815
• 21217588002 is an abundant number, because the sum of its proper divisors (31700704815) is greater than itself. Its abundance is 10483116813

Bases of 21217588002

• Binary: 10011110000101010101011001100100010₂
• Hexadecimal: 0x4F0AAB322
• Base-36: 9QWEJOI

Squares and roots of 21217588002

• 21217588002 squared (21217588002²) is 450186040622614352004
• 21217588002 cubed (21217588002³) is 9551861934182266884953075056008
• The square root of 21217588002 is 145662.5827108665
• The cube root of 21217588002 is 2768.4201655699

Scales and comparisons

• 21,217,588,002 seconds is equal to 674 years, 33 weeks, 6 days, 22 hours, 26 minutes, 42 seconds.
• To count from 1 to 21,217,588,002 would take you about one thousand, three hundred forty-nine 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 21217588002 cubic inches would be around 230.7 feet tall.

Recreational maths with 21217588002

• 21217588002 backwards is 20088571212
• The number of decimal digits it has is: 11
• The sum of 21217588002's digits is 36
• More coming soon!