138994491090
138,994,491,090 is an even composite number composed of six prime numbers multiplied together.
138994491090 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 138994491090:
2 × 3 × 5 × 7 × 132 × 19792
(2 × 3 × 5 × 7 × 13 × 13 × 1979 × 1979)See below for interesting mathematical facts about the number 138994491090 from the Numbermatics database.
Names of 138994491090
- Cardinal: 138994491090 can be written as One hundred thirty-eight billion, nine hundred ninety-four million, four hundred ninety-one thousand and ninety.
Scientific notation
- Scientific notation: 1.3899449109 × 1011
Factors of 138994491090
Divisors of 138994491090
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 169 182 195 210 273 338 390 455 507 546 845 910 1014 1183 1365 1690 1979 2366 2535 2730 3549 3958 5070 5915 5937 7098 9895 11830 11874 13853 17745 19790 25727 27706 29685 35490 41559 51454 59370 69265 77181 83118 128635 138530 154362 180089 207795 257270 334451 360178 385905 415590 540267 668902 771810 900445 1003353 1080534 1672255 1800890 2006706 2341157 2701335 3344510 3916441 4682314 5016765 5402670 7023471 7832882 10033530 11705785 11749323 14046942 19582205 23411570 23498646 27415087 35117355 39164410 50913733 54830174 58746615 70234710 82245261 101827466 117493230 137075435 152741199 164490522 254568665 274150870 305482398 356396131 411226305 509137330 661878529 712792262 763705995 822452610 1069188393 1323757058 1527411990 1781980655 1985635587 2138376786 3309392645 3563961310 3971271174 4633149703 5345941965 6618785290 9266299406 9928177935 10691883930 13899449109 19856355870 23165748515 27798898218 46331497030 69497245545 138994491090
- Sum of all divisors σ(n): 413032920768
- Sum of proper divisors (its aliquot sum) s(n): 274038429678
- 138994491090 is an abundant number, because the sum of its proper divisors (274038429678) is greater than itself. Its abundance is 135043938588
Bases of 138994491090
- Binary: 100000010111001011011110011110110100102
- Hexadecimal: 0x205CB79ED2
- Base-36: 1RUPQBPU
Squares and roots of 138994491090
- 138994491090 squared (1389944910902) is 19319468553368089388100
- 138994491090 cubed (1389944910903) is 2685299699704656089944589002029000
-
The
square root of 138994491090 is 372819.6495492157 -
The
cube root of 138994491090 is 5180.0330331123
Scales and comparisons
How big is 138994491090?- 138,994,491,090 seconds is equal to 4,419 years, 30 weeks, 6 days, 12 hours, 51 minutes, 30 seconds.
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To count from 1 to 138,994,491,090 would take you about eight thousand, eight hundred thirty-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 138994491090 cubic inches would be around 431.7 feet tall.
Recreational maths with 138994491090
- 138994491090 backwards is 090194499831
- The number of decimal digits it has is: 12
- The sum of 138994491090's digits is 57
- More coming soon!
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