139391399144

Names of 139391399144

• Cardinal: 139391399144 can be written as One hundred thirty-nine billion, three hundred ninety-one million, three hundred ninety-nine thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.39391399144 × 10¹¹

Factors of 139391399144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 999

Divisors of 139391399144

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 37 61 74 89 122 127 148 178 244 254 296 356 488 508 683 712 1016 1366 2257 2732 3293 4514 4699 5429 5464 6586 7747 9028 9398 10858 11303 13172 15494 18056 18796 21716 22606 25271 26344 30988 37592 41663 43432 45212 50542 60787 61976 83326 86741 90424 101084 121574 166652 173482 200873 202168 243148 286639 333304 346964 401746 418211 486296 573278 689483 693928 803492 836422 1146556 1378966 1541531 1606984 1672844 2249119 2293112 2757932 3083062 3209417 3345688 3708007 4498238 5291201 5515864 6166124 6418834 7416014 7719949 8996476 10582402 12332248 12837668 14832028 15439898 17992952 21164804 25510871 25675336 29664056 30879796 42329608 51021742 61759592 102043484 137196259 195774437 204086968 274392518 285638113 391548874 470916889 548785036 571276226 783097748 941833778 1097570072 1142552452 1566195496 1883667556 2285104904 3767335112 17423924893 34847849786 69695699572 139391399144
• Sum of all divisors σ(n): 278467891200
• Sum of proper divisors (its aliquot sum) s(n): 139076492056
• 139391399144 is a deficient number, because the sum of its proper divisors (139076492056) is less than itself. Its deficiency is 314907088

Bases of 139391399144

• Binary: 10000001110100010111111111010011101000₂
• Hexadecimal: 0x20745FF4E8
• Base-36: 1S1A1FXK

Squares and roots of 139391399144

• 139391399144 squared (139391399144²) is 19429962155321923932736
• 139391399144 cubed (139391399144³) is 2708369610145292822722009983977984
• The square root of 139391399144 is 373351.5757888267
• The cube root of 139391399144 is 5184.9589907321

Scales and comparisons

• 139,391,399,144 seconds is equal to 4,432 years, 11 weeks, 1 day, 9 hours, 5 minutes, 44 seconds.
• To count from 1 to 139,391,399,144 would take you about eight thousand, eight hundred sixty-four 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 139391399144 cubic inches would be around 432.1 feet tall.

Recreational maths with 139391399144

• 139391399144 backwards is 441993193931
• The number of decimal digits it has is: 12
• The sum of 139391399144's digits is 56
• More coming soon!