139081216820

Names of 139081216820

• Cardinal: 139081216820 can be written as One hundred thirty-nine billion, eighty-one million, two hundred sixteen thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.3908121682 × 10¹¹

Factors of 139081216820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4996

Divisors of 139081216820

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 169 182 196 245 260 338 364 455 490 637 676 845 910 980 1183 1274 1690 1820 2197 2366 2548 3185 3380 4394 4732 4969 5915 6370 8281 8788 9938 10985 11830 12740 15379 16562 19876 21970 23660 24845 28561 30758 33124 34783 41405 43940 49690 57122 61516 64597 69566 76895 82810 99380 107653 114244 129194 139132 142805 153790 165620 173915 199927 215306 243481 258388 285610 307580 322985 347830 399854 430612 452179 486962 538265 571220 645970 695660 799708 839761 904358 973924 999635 1076530 1217405 1291940 1399489 1679522 1808716 1999270 2153060 2260895 2434810 2798978 3165253 3359044 3998540 4198805 4521790 4869620 5597956 5878327 6330506 6997445 8397610 9043580 10916893 11756654 12661012 13994890 15826265 16795220 21833786 23513308 27989780 29391635 31652530 41148289 43667572 54584465 58783270 63305060 76418251 82296578 109168930 117566540 141919609 152836502 164593156 205741445 218337860 283839218 305673004 382091255 411482890 534927757 567678436 709598045 764182510 822965780 993437263 1069855514 1419196090 1528365020 1986874526 2139711028 2674638785 2838392180 3973749052 4967186315 5349277570 6954060841 9934372630 10698555140 13908121682 19868745260 27816243364 34770304205 69540608410 139081216820
• Sum of all divisors σ(n): 368141587380
• Sum of proper divisors (its aliquot sum) s(n): 229060370560
• 139081216820 is an abundant number, because the sum of its proper divisors (229060370560) is greater than itself. Its abundance is 89979153740

Bases of 139081216820

• Binary: 10000001100001111000101111001100110100₂
• Hexadecimal: 0x2061E2F334
• Base-36: 1RW5D5PW

Squares and roots of 139081216820

• 139081216820 squared (139081216820²) is 19343584872131850912400
• 139081216820 cubed (139081216820³) is 2690329321677041932375419226568000
• The square root of 139081216820 is 372935.9419793163
• The cube root of 139081216820 is 5181.1101711103

Scales and comparisons

• 139,081,216,820 seconds is equal to 4,422 years, 18 weeks, 2 days, 7 hours, 20 minutes, 20 seconds.
• To count from 1 to 139,081,216,820 would take you about eight thousand, eight hundred forty-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 139081216820 cubic inches would be around 431.8 feet tall.

Recreational maths with 139081216820

• 139081216820 backwards is 028612180931
• The number of decimal digits it has is: 12
• The sum of 139081216820's digits is 41
• More coming soon!