139945886990

Names of 139945886990

• Cardinal: 139945886990 can be written as One hundred thirty-nine billion, nine hundred forty-five million, eight hundred eighty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.3994588699 × 10¹¹

Factors of 139945886990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1636

Divisors of 139945886990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 37 49 65 70 74 91 98 130 182 185 245 259 370 455 481 490 518 631 637 910 941 962 1262 1274 1295 1813 1882 2405 2590 3155 3185 3367 3626 4417 4705 4810 6310 6370 6587 6734 8203 8834 9065 9410 12233 13174 16406 16835 18130 22085 23347 23569 24466 30919 32935 33670 34817 41015 44170 46109 46694 47138 57421 61165 61838 65870 69634 82030 85631 92218 114842 116735 117845 122330 154595 163429 171262 174085 230545 233470 235690 243719 287105 303511 309190 326858 348170 401947 428155 452621 461090 487438 574210 593771 599417 607022 803894 817145 856310 905242 1144003 1187542 1198834 1218595 1517555 1634290 1706033 2009735 2124577 2263105 2288006 2437190 2968855 2997085 3035110 3168347 3412066 4019470 4156397 4249154 4526210 5720015 5937710 5994170 6336694 7719023 8312794 8530165 10622885 11440030 14872039 15438046 15841735 17060330 20781985 21245770 21969527 22178429 29094779 29744078 31683470 38595115 41563970 43939054 44356858 54033161 58189558 74360195 77190230 108066322 109847635 110892145 145473895 148720390 153786689 219695270 221784290 270165805 285603851 290947790 307573378 378232127 540331610 571207702 756464254 768933445 1076506823 1428019255 1537866890 1891160635 1999226957 2153013646 2856038510 3782321270 3998453914 5382534115 9996134785 10765068230 13994588699 19992269570 27989177398 69972943495 139945886990
• Sum of all divisors σ(n): 324957806208
• Sum of proper divisors (its aliquot sum) s(n): 185011919218
• 139945886990 is an abundant number, because the sum of its proper divisors (185011919218) is greater than itself. Its abundance is 45066032228

Bases of 139945886990

• Binary: 10000010010101011011001100010100001110₂
• Hexadecimal: 0x20956CC50E
• Base-36: 1SAG61HQ

Squares and roots of 139945886990

• 139945886990 squared (139945886990²) is 19584851285417851260100
• 139945886990 cubed (139945886990³) is 2740819384705042847374583696099000
• The square root of 139945886990 is 374093.4201372699
• The cube root of 139945886990 is 5191.8250121015

Scales and comparisons

• 139,945,886,990 seconds is equal to 4,449 years, 44 weeks, 1 hour, 29 minutes, 50 seconds.
• To count from 1 to 139,945,886,990 would take you about eight thousand, eight hundred ninety-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 139945886990 cubic inches would be around 432.7 feet tall.

Recreational maths with 139945886990

• 139945886990 backwards is 099688549931
• The number of decimal digits it has is: 12
• The sum of 139945886990's digits is 71
• More coming soon!