138398422905
138,398,422,905 is an odd composite number composed of six prime numbers multiplied together.
138398422905 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138398422905:
38 × 5 × 23 × 31 × 61 × 97
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 23 × 31 × 61 × 97)See below for interesting mathematical facts about the number 138398422905 from the Numbermatics database.
Names of 138398422905
- Cardinal: 138398422905 can be written as One hundred thirty-eight billion, three hundred ninety-eight million, four hundred twenty-two thousand, nine hundred five.
Scientific notation
- Scientific notation: 1.38398422905 × 1011
Factors of 138398422905
Divisors of 138398422905
- Number of divisors d(n): 288
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Complete list of divisors:
1 3 5 9 15 23 27 31 45 61 69 81 93 97 115 135 155 183 207 243 279 291 305 345 405 465 485 549 621 713 729 837 873 915 1035 1215 1395 1403 1455 1647 1863 1891 2139 2187 2231 2511 2619 2745 3007 3105 3565 3645 4185 4209 4365 4941 5589 5673 5917 6417 6561 6693 7015 7533 7857 8235 9021 9315 9455 10695 10935 11155 12555 12627 13095 14823 15035 16767 17019 17751 19251 20079 21045 22599 23571 24705 27063 27945 28365 29585 32085 32805 33465 37665 37881 39285 43493 44469 45105 50301 51057 53253 57753 60237 63135 67797 69161 70713 74115 81189 83835 85095 88755 96255 100395 112995 113643 117855 130479 133407 135315 136091 150903 153171 159759 173259 180711 183427 189405 203391 207483 212139 217465 222345 243567 251505 255285 266265 288765 301185 338985 340929 345805 353565 391437 400221 405945 408273 459513 479277 519777 542133 550281 568215 622449 636417 652395 667035 680455 730701 754515 765855 798795 866295 903555 917135 1016955 1022787 1037415 1060695 1174311 1217835 1224819 1378539 1437831 1559331 1626399 1650843 1704645 1867347 1957185 2001105 2041365 2192103 2297565 2396385 2598885 2710665 2751405 3068361 3112245 3182085 3522933 3653505 3674457 4135617 4218821 4313493 4677993 4879197 4952529 5113935 5602041 5871555 6124095 6576309 6892695 7189155 7796655 8131995 8254215 9205083 9336735 10568799 10960515 11023371 12406851 12656463 12940479 14637591 14857587 15341805 16806123 17614665 18372285 19728927 20678085 21094105 21567465 23389965 24395985 24762645 28010205 31706397 32881545 33070113 37969389 38821437 44572761 46025415 50418369 52843995 55116855 62034255 63282315 64702395 73187955 74287935 84030615 95119191 98644635 99210339 113908167 133718283 151255107 158531985 165350565 189846945 194107185 222863805 252091845 285357573 297631017 341724501 401154849 453765321 475595955 496051695 569540835 668591415 756275535 892893051 1025173503 1203464547 1426787865 1488155085 1708622505 2005774245 2268826605 3075520509 4464465255 5125867515 6017322735 9226561527 15377602545 27679684581 46132807635 138398422905
- Sum of all divisors σ(n): 275530364928
- Sum of proper divisors (its aliquot sum) s(n): 137131942023
- 138398422905 is a deficient number, because the sum of its proper divisors (137131942023) is less than itself. Its deficiency is 1266480882
Bases of 138398422905
- Binary: 100000001110010011000001010111011110012
- Hexadecimal: 0x2039305779
- Base-36: 1RKUUIK9
Squares and roots of 138398422905
- 138398422905 squared (1383984229052) is 19154123462591228639025
- 138398422905 cubed (1383984229053) is 2650900479350283808327329536867625
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The
square root of 138398422905 is 372019.3851199155 -
The
cube root of 138398422905 is 5172.6176860775
Scales and comparisons
How big is 138398422905?- 138,398,422,905 seconds is equal to 4,400 years, 33 weeks, 2 days, 14 hours, 21 minutes, 45 seconds.
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To count from 1 to 138,398,422,905 would take you about eight thousand, eight hundred 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 138398422905 cubic inches would be around 431.1 feet tall.
Recreational maths with 138398422905
- 138398422905 backwards is 509224893831
- The number of decimal digits it has is: 12
- The sum of 138398422905's digits is 54
- More coming soon!
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