139811705640

Names of 139811705640

• Cardinal: 139811705640 can be written as One hundred thirty-nine billion, eight hundred eleven million, seven hundred five thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3981170564 × 10¹¹

Factors of 139811705640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6579

Divisors of 139811705640

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1080 1620 3240 6569 13138 19707 26276 32845 39414 52552 59121 65690 78828 98535 118242 131380 157656 177363 197070 236484 262760 295605 354726 394140 472968 532089 591210 709452 788280 886815 1064178 1182420 1418904 1773630 2128356 2364840 2660445 3547260 4256712 5320890 7094520 10641780 21283560 43151761 86303522 129455283 172607044 215758805 258910566 345214088 388365849 431517610 517821132 647276415 776731698 863035220 1035642264 1165097547 1294552830 1553463396 1726070440 1941829245 2330195094 2589105660 3106926792 3495292641 3883658490 4660390188 5178211320 5825487735 6990585282 7767316980 9320780376 11650975470 13981170564 15534633960 17476463205 23301950940 27962341128 34952926410 46603901880 69905852820 139811705640
• Sum of all divisors σ(n): 469994224590
• Sum of proper divisors (its aliquot sum) s(n): 330182518950
• 139811705640 is an abundant number, because the sum of its proper divisors (330182518950) is greater than itself. Its abundance is 190370813310

Bases of 139811705640

• Binary: 10000010001101011011010101001100101000₂
• Hexadecimal: 0x208D6D5328
• Base-36: 1S88A2I0

Squares and roots of 139811705640

• 139811705640 squared (139811705640²) is 19547313033966007809600
• 139811705640 cubed (139811705640³) is 2732943175957790805641736366144000
• The square root of 139811705640 is 373914.0350936295
• The cube root of 139811705640 is 5190.1651589661

Scales and comparisons

• 139,811,705,640 seconds is equal to 4,445 years, 30 weeks, 1 day, 54 minutes.
• To count from 1 to 139,811,705,640 would take you about eight thousand, eight hundred ninety-one 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 139811705640 cubic inches would be around 432.5 feet tall.

Recreational maths with 139811705640

• 139811705640 backwards is 046507118931
• 139811705640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139811705640's digits is 45
• More coming soon!