12839846139

Names of 12839846139

• Cardinal: 12839846139 can be written as Twelve billion, eight hundred thirty-nine million, eight hundred forty-six thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 1.2839846139 × 10¹⁰

Factors of 12839846139

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 104

Divisors of 12839846139

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 17 27 41 43 51 81 123 129 153 243 369 387 459 697 731 1107 1161 1377 1681 1763 1849 2091 2193 3321 3483 4131 5043 5289 5547 6273 6579 9963 10449 15129 15867 16641 18819 19737 28577 29971 31433 45387 47601 49923 56457 59211 72283 75809 85731 89913 94299 136161 142803 149769 169371 177633 216849 227427 257193 269739 282897 408483 428409 449307 650547 682281 771579 809217 848691 1228811 1288753 1951641 2046843 2314737 2427651 2546073 3108169 3686433 3866259 5854923 6140529 6944211 7282953 7638219 9324507 11059299 11598777 17564769 18421587 27973521 33177897 34796331 52838873 83920563 99533691 104388993 158516619 251761689 298601073 313166979 475549857 755285067 1426649571 4279948713 12839846139
• Sum of all divisors σ(n): 21370258728
• Sum of proper divisors (its aliquot sum) s(n): 8530412589
• 12839846139 is a deficient number, because the sum of its proper divisors (8530412589) is less than itself. Its deficiency is 4309433550

Bases of 12839846139

• Binary: 1011111101010100001000000011111011₂
• Hexadecimal: 0x2FD5080FB
• Base-36: 5WCIGOR

Squares and roots of 12839846139

• 12839846139 squared (12839846139²) is 164861648873193207321
• 12839846139 cubed (12839846139³) is 2116798205753643503621568383619
• The square root of 12839846139 is 113313.0448756895
• The cube root of 12839846139 is 2341.6389848887

Scales and comparisons

• 12,839,846,139 seconds is equal to 408 years, 13 weeks, 6 days, 7 hours, 55 minutes, 39 seconds.
• To count from 1 to 12,839,846,139 would take you about eight hundred sixteen 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 12839846139 cubic inches would be around 195.1 feet tall.

Recreational maths with 12839846139

• 12839846139 backwards is 93164893821
• The number of decimal digits it has is: 11
• The sum of 12839846139's digits is 54
• More coming soon!