139218498990

Names of 139218498990

• Cardinal: 139218498990 can be written as One hundred thirty-nine billion, two hundred eighteen million, four hundred ninety-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.3921849899 × 10¹¹

Factors of 139218498990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5591

Divisors of 139218498990

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 289 306 510 578 765 867 1237 1445 1530 1734 2474 2601 2890 3711 4327 4335 5202 6185 7422 8654 8670 11133 12370 12981 13005 18555 21029 21635 22266 25962 26010 37110 38943 42058 43270 55665 63087 64905 73559 77886 105145 111330 126174 129810 147118 189261 194715 210290 220677 315435 357493 367795 378522 389430 441354 630870 662031 714986 735590 946305 1072479 1103385 1250503 1324062 1787465 1892610 2144958 2206770 2501006 3217437 3310155 3574930 3751509 5352499 5362395 6252515 6434874 6620310 7503018 10704998 10724790 11254527 12505030 16057497 16087185 18757545 22509054 26762495 32114994 32174370 37515090 48172491 53524990 56272635 80287485 90992483 96344982 112545270 160574970 181984966 240862455 272977449 454962415 481724910 545954898 818932347 909924830 1364887245 1546872211 1637864694 2729774490 3093744422 4094661735 4640616633 7734361055 8189323470 9281233266 13921849899 15468722110 23203083165 27843699798 46406166330 69609249495 139218498990
• Sum of all divisors σ(n): 384912601632
• Sum of proper divisors (its aliquot sum) s(n): 245694102642
• 139218498990 is an abundant number, because the sum of its proper divisors (245694102642) is greater than itself. Its abundance is 106475603652

Bases of 139218498990

• Binary: 10000001101010000100011011010110101110₂
• Hexadecimal: 0x206A11B5AE
• Base-36: 1RYF3LBI

Squares and roots of 139218498990

• 139218498990 squared (139218498990²) is 19381790461028631020100
• 139218498990 cubed (139218498990³) is 2698303775723106102032874519699000
• The square root of 139218498990 is 373119.9525487749
• The cube root of 139218498990 is 5182.8143076507

Scales and comparisons

• 139,218,498,990 seconds is equal to 4,426 years, 37 weeks, 2 days, 5 hours, 16 minutes, 30 seconds.
• To count from 1 to 139,218,498,990 would take you about eight thousand, eight hundred fifty-three 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 139218498990 cubic inches would be around 431.9 feet tall.

Recreational maths with 139218498990

• 139218498990 backwards is 099894812931
• The number of decimal digits it has is: 12
• The sum of 139218498990's digits is 63
• More coming soon!