139217960

Names of 139217960

• Cardinal: 139217960 can be written as One hundred thirty-nine million, two hundred seventeen thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.3921796 × 10⁸

Factors of 139217960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 303

Divisors of 139217960

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 41 56 67 70 82 134 140 164 181 205 268 280 287 328 335 362 410 469 536 574 670 724 820 905 938 1148 1267 1340 1435 1448 1640 1810 1876 2296 2345 2534 2680 2747 2870 3620 3752 4690 5068 5494 5740 6335 7240 7421 9380 10136 10988 11480 12127 12670 13735 14842 18760 19229 21976 24254 25340 27470 29684 37105 38458 48508 50680 51947 54940 59368 60635 74210 76916 84889 96145 97016 103894 109880 121270 148420 153832 169778 192290 207788 242540 259735 296840 339556 384580 415576 424445 485080 497207 519470 679112 769160 848890 994414 1038940 1697780 1988828 2077880 2486035 3395560 3480449 3977656 4972070 6960898 9944140 13921796 17402245 19888280 27843592 34804490 69608980 139217960
• Sum of all divisors σ(n): 374250240
• Sum of proper divisors (its aliquot sum) s(n): 235032280
• 139217960 is an abundant number, because the sum of its proper divisors (235032280) is greater than itself. Its abundance is 95814320

Bases of 139217960

• Binary: 1000010011000100110000101000₂
• Hexadecimal: 0x84C4C28
• Base-36: 2AVX9K

Squares and roots of 139217960

• 139217960 squared (139217960²) is 19381640386561600
• 139217960 cubed (139217960³) is 2698272436070717366336000
• The square root of 139217960 is 11799.0660647359
• The cube root of 139217960 is 518.2807619151

Scales and comparisons

• 139,217,960 seconds is equal to 4 years, 22 weeks, 1 day, 7 hours, 39 minutes, 20 seconds.
• To count from 1 to 139,217,960 would take you about six 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 139217960 cubic inches would be around 43.2 feet tall.

Recreational maths with 139217960

• 139217960 backwards is 069712931
• The number of decimal digits it has is: 9
• The sum of 139217960's digits is 38
• More coming soon!