138308529645
138,308,529,645 is an odd composite number composed of seven prime numbers multiplied together.
What does the number 138308529645 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 256 divisors.
138308529645 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138308529645:
33 × 5 × 11 × 13 × 61 × 257 × 457
(3 × 3 × 3 × 5 × 11 × 13 × 61 × 257 × 457)See below for interesting mathematical facts about the number 138308529645 from the Numbermatics database.
Names of 138308529645
- Cardinal: 138308529645 can be written as One hundred thirty-eight billion, three hundred eight million, five hundred twenty-nine thousand, six hundred forty-five.
Scientific notation
- Scientific notation: 1.38308529645 × 1011
Factors of 138308529645
Divisors of 138308529645
- Number of divisors d(n): 256
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Complete list of divisors:
1 3 5 9 11 13 15 27 33 39 45 55 61 65 99 117 135 143 165 183 195 257 297 305 351 429 457 495 549 585 671 715 771 793 915 1285 1287 1371 1485 1647 1755 2013 2145 2285 2313 2379 2745 2827 3341 3355 3855 3861 3965 4113 5027 5941 6039 6435 6855 6939 7137 8235 8481 8723 10023 10065 11565 11895 12339 14135 15081 15677 16705 17823 18117 19305 20565 21411 25135 25443 26169 27877 29705 30069 30195 34695 35685 36751 42405 43615 45243 47031 50115 53469 61695 65351 75405 76329 78385 78507 83631 89115 90207 90585 107055 110253 117449 127215 130845 135729 139385 141093 150345 160407 172447 183755 196053 203801 226215 235155 235521 250893 267345 306647 326755 330759 352347 362401 381645 392535 418155 423279 451035 517341 551265 587245 588159 611403 678645 705465 752679 802035 862235 919941 980265 992277 1019005 1057041 1087203 1177605 1254465 1291939 1526837 1533235 1552023 1653795 1761735 1764477 1812005 1834209 2116395 2241811 2586705 2759823 2940795 3057015 3171123 3261609 3763395 3875817 3986411 4580511 4599705 4656069 4961385 5285205 5436015 5502627 6459695 6725433 7164389 7634185 7760115 8279469 8822385 9171045 9784827 11209055 11627451 11959233 13741533 13799115 15855615 16308045 16795207 19379085 19932055 20176299 21493167 22902555 23280345 27513135 33627165 34882353 35821945 35877699 41224599 41397345 48924135 50385621 58137255 59796165 60528897 64479501 68707665 78808279 83976035 93137057 100881495 107465835 107633097 151156863 174411765 179388495 193438503 206122995 236424837 251928105 279411171 302644485 322397505 394041395 453470589 465685285 538165485 709274511 755784315 838233513 967192515 1024507627 1182124185 1397055855 2127823533 2267352945 2514700539 3073522881 3546372555 4191167565 5122538135 9220568643 10639117665 12573502695 15367614405 27661705929 46102843215 138308529645
- Sum of all divisors σ(n): 295391093760
- Sum of proper divisors (its aliquot sum) s(n): 157082564115
- 138308529645 is an abundant number, because the sum of its proper divisors (157082564115) is greater than itself. Its abundance is 18774034470
Bases of 138308529645
- Binary: 100000001100111101010010101101111011012
- Hexadecimal: 0x2033D4ADED
- Base-36: 1RJDBSH9
Squares and roots of 138308529645
- 138308529645 squared (1383085296452) is 19129249372561843826025
- 138308529645 cubed (1383085296453) is 2645738353931567426407638935011125
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The
square root of 138308529645 is 371898.5475166581 -
The
cube root of 138308529645 is 5171.4975283813
Scales and comparisons
How big is 138308529645?- 138,308,529,645 seconds is equal to 4,397 years, 40 weeks, 5 days, 4 hours, 45 seconds.
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To count from 1 to 138,308,529,645 would take you about eight thousand, seven hundred ninety-five 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 138308529645 cubic inches would be around 431 feet tall.
Recreational maths with 138308529645
- 138308529645 backwards is 546925803831
- The number of decimal digits it has is: 12
- The sum of 138308529645's digits is 54
- More coming soon!
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