138121585140
138,121,585,140 is an even composite number composed of six prime numbers multiplied together.
What does the number 138121585140 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 144 divisors.
138121585140 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138121585140:
22 × 3 × 5 × 72 × 11 × 4270921
(2 × 2 × 3 × 5 × 7 × 7 × 11 × 4270921)See below for interesting mathematical facts about the number 138121585140 from the Numbermatics database.
Names of 138121585140
- Cardinal: 138121585140 can be written as One hundred thirty-eight billion, one hundred twenty-one million, five hundred eighty-five thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.3812158514 × 1011
Factors of 138121585140
Divisors of 138121585140
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 49 55 60 66 70 77 84 98 105 110 132 140 147 154 165 196 210 220 231 245 294 308 330 385 420 462 490 539 588 660 735 770 924 980 1078 1155 1470 1540 1617 2156 2310 2695 2940 3234 4620 5390 6468 8085 10780 16170 32340 4270921 8541842 12812763 17083684 21354605 25625526 29896447 42709210 46980131 51251052 59792894 64063815 85418420 89689341 93960262 119585788 128127630 140940393 149482235 179378682 187920524 209275129 234900655 256255260 281880786 298964470 328860917 358757364 418550258 448446705 469801310 563761572 597928940 627825387 657721834 704701965 837100516 896893410 939602620 986582751 1046375645 1255650774 1315443668 1409403930 1644304585 1793786820 1973165502 2092751290 2302026419 2511301548 2818807860 3139126935 3288609170 3946331004 4185502580 4604052838 4932913755 6278253870 6577218340 6906079257 9208105676 9865827510 11510132095 12556507740 13812158514 19731655020 23020264190 27624317028 34530396285 46040528380 69060792570 138121585140
- Sum of all divisors σ(n): 490780188864
- Sum of proper divisors (its aliquot sum) s(n): 352658603724
- 138121585140 is an abundant number, because the sum of its proper divisors (352658603724) is greater than itself. Its abundance is 214537018584
Bases of 138121585140
- Binary: 100000001010001011000000100001111101002
- Hexadecimal: 0x2028B021F4
- Base-36: 1RGA0X6C
Squares and roots of 138121585140
- 138121585140 squared (1381215851402) is 19077572281586268819600
- 138121585140 cubed (1381215851403) is 2635024524155621883021308700744000
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The
square root of 138121585140 is 371647.1244877323 -
The
cube root of 138121585140 is 5169.1664623243
Scales and comparisons
How big is 138121585140?- 138,121,585,140 seconds is equal to 4,391 years, 43 weeks, 4 days, 10 hours, 59 minutes.
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To count from 1 to 138,121,585,140 would take you about eight thousand, seven hundred eighty-three 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 138121585140 cubic inches would be around 430.8 feet tall.
Recreational maths with 138121585140
- 138121585140 backwards is 041585121831
- The number of decimal digits it has is: 12
- The sum of 138121585140's digits is 39
- More coming soon!
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