138729605391
138,729,605,391 is an odd composite number composed of five prime numbers multiplied together.
138729605391 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138729605391:
33 × 132 × 17 × 312 × 1861
(3 × 3 × 3 × 13 × 13 × 17 × 31 × 31 × 1861)See below for interesting mathematical facts about the number 138729605391 from the Numbermatics database.
Names of 138729605391
- Cardinal: 138729605391 can be written as One hundred thirty-eight billion, seven hundred twenty-nine million, six hundred five thousand, three hundred ninety-one.
Scientific notation
- Scientific notation: 1.38729605391 × 1011
Factors of 138729605391
Divisors of 138729605391
- Number of divisors d(n): 144
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Complete list of divisors:
1 3 9 13 17 27 31 39 51 93 117 153 169 221 279 351 403 459 507 527 663 837 961 1209 1521 1581 1861 1989 2873 2883 3627 4563 4743 5239 5583 5967 6851 8619 8649 10881 12493 14229 15717 16337 16749 20553 24193 25857 25947 31637 37479 47151 49011 50247 57691 61659 72579 77571 89063 94911 112437 141453 147033 162409 173073 184977 212381 217737 267189 284733 314509 337311 411281 441099 487227 519219 637143 653211 749983 801567 854199 943527 980747 1233843 1461681 1557657 1788421 1911429 2249949 2404701 2760953 2830581 2942241 3701529 4385043 5346653 5365263 5734287 6749847 8282859 8491743 8826723 9749779 11104587 12749711 16039959 16095789 20249541 23249473 24848577 26480169 29249337 30403157 38249133 48119877 48287367 69748419 74545731 87748011 91209471 114747399 144359631 165746243 209245257 263244033 273628413 302243149 344242197 395241041 497238729 627735771 820885239 906729447 1185723123 1491716187 2720188341 3557169369 4475148561 5138133533 8160565023 10671508107 15414400599 46243201797 138729605391
- Sum of all divisors σ(n): 243619760160
- Sum of proper divisors (its aliquot sum) s(n): 104890154769
- 138729605391 is a deficient number, because the sum of its proper divisors (104890154769) is less than itself. Its deficiency is 33839450622
Bases of 138729605391
- Binary: 100000010011001110110111001001000011112
- Hexadecimal: 0x204CEDC90F
- Base-36: 1RQC0WLR
Squares and roots of 138729605391
- 138729605391 squared (1387296053912) is 19245903411942576262881
- 138729605391 cubed (1387296053913) is 2669976585732094121701404610791471
-
The
square root of 138729605391 is 372464.2337070769 -
The
cube root of 138729605391 is 5176.7403625153
Scales and comparisons
How big is 138729605391?- 138,729,605,391 seconds is equal to 4,411 years, 8 weeks, 6 days, 17 hours, 29 minutes, 51 seconds.
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To count from 1 to 138,729,605,391 would take you about eight thousand, eight hundred twenty-two 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 138729605391 cubic inches would be around 431.4 feet tall.
Recreational maths with 138729605391
- 138729605391 backwards is 193506927831
- The number of decimal digits it has is: 12
- The sum of 138729605391's digits is 54
- More coming soon!
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The information we have on file for 138729605391 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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