139789489280

Names of 139789489280

• Cardinal: 139789489280 can be written as One hundred thirty-nine billion, seven hundred eighty-nine million, four hundred eighty-nine thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3978948928 × 10¹¹

Factors of 139789489280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 35240

Divisors of 139789489280

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 127 128 140 160 196 224 245 254 280 320 392 448 490 508 560 635 640 784 889 896 980 1016 1120 1270 1568 1778 1960 2032 2240 2540 3136 3556 3920 4064 4445 4480 5080 6223 6272 7112 7840 8128 8890 10160 12446 14224 15680 16256 17780 20320 24892 28448 31115 31360 35099 35560 40640 49784 56896 62230 70198 71120 81280 99568 113792 124460 140396 142240 175495 199136 245693 248920 280792 284480 350990 398272 491386 497840 561584 568960 701980 796544 982772 995680 1123168 1228465 1403960 1719851 1965544 1991360 2246336 2456930 2807920 3439702 3931088 3982720 4457573 4492672 4913860 5615840 6879404 7862176 8599255 8915146 9827720 11231680 13758808 15724352 17198510 17830292 19655440 22287865 22463360 27517616 31203011 31448704 34397020 35660584 39310880 44575730 55035232 62406022 68794040 71321168 78621760 89151460 110070464 124812044 137588080 142642336 156015055 157243520 178302920 218421077 220140928 249624088 275176160 285284672 312030110 356605840 436842154 499248176 550352320 570569344 624060220 713211680 873684308 998496352 1092105385 1100704640 1248120440 1426423360 1747368616 1996992704 2184210770 2496240880 2852846720 3494737232 3993985408 4368421540 4992481760 6989474464 8736843080 9984963520 13978948928 17473686160 19969927040 27957897856 34947372320 69894744640 139789489280
• Sum of all divisors σ(n): 391817088000
• Sum of proper divisors (its aliquot sum) s(n): 252027598720
• 139789489280 is an abundant number, because the sum of its proper divisors (252027598720) is greater than itself. Its abundance is 112238109440

Bases of 139789489280

• Binary: 10000010001100000110100101010010000000₂
• Hexadecimal: 0x208C1A5480
• Base-36: 1S7V1W8W

Squares and roots of 139789489280

• 139789489280 squared (139789489280²) is 19541101313163234918400
• 139789489280 cubed (139789489280³) is 2731640572535825950515798474752000
• The square root of 139789489280 is 373884.3260689059
• The cube root of 139789489280 is 5189.8902351913

Scales and comparisons

• 139,789,489,280 seconds is equal to 4,444 years, 45 weeks, 2 days, 21 hours, 41 minutes, 20 seconds.
• To count from 1 to 139,789,489,280 would take you about eight thousand, eight hundred eighty-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 139789489280 cubic inches would be around 432.5 feet tall.

Recreational maths with 139789489280

• 139789489280 backwards is 082984987931
• The number of decimal digits it has is: 12
• The sum of 139789489280's digits is 68
• More coming soon!