1388129856
1,388,129,856 is an even composite number composed of five prime numbers multiplied together.
1388129856 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 1388129856:
26 × 3 × 232 × 79 × 173
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 23 × 79 × 173)See below for interesting mathematical facts about the number 1388129856 from the Numbermatics database.
Names of 1388129856
- Cardinal: 1388129856 can be written as One billion, three hundred eighty-eight million, one hundred twenty-nine thousand, eight hundred fifty-six.
Scientific notation
- Scientific notation: 1.388129856 × 109
Factors of 1388129856
Divisors of 1388129856
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 79 92 96 138 158 173 184 192 237 276 316 346 368 474 519 529 552 632 692 736 948 1038 1058 1104 1264 1384 1472 1587 1817 1896 2076 2116 2208 2528 2768 3174 3634 3792 3979 4152 4232 4416 5056 5451 5536 6348 7268 7584 7958 8304 8464 10902 11072 11937 12696 13667 14536 15168 15916 16608 16928 21804 23874 25392 27334 29072 31832 33216 33856 41001 41791 43608 47748 50784 54668 58144 63664 82002 83582 87216 91517 95496 101568 109336 116288 125373 127328 164004 167164 174432 183034 190992 218672 250746 254656 274551 314341 328008 334328 348864 366068 381984 437344 501492 549102 628682 656016 668656 732136 763968 874688 943023 1002984 1098204 1257364 1312032 1337312 1464272 1886046 2005968 2196408 2514728 2624064 2674624 2928544 3772092 4011936 4392816 5029456 5857088 7229843 7544184 8023872 8785632 10058912 14459686 15088368 17571264 20117824 21689529 28919372 30176736 43379058 57838744 60353472 86758116 115677488 173516232 231354976 347032464 462709952 694064928 1388129856
- Sum of all divisors σ(n): 3910462080
- Sum of proper divisors (its aliquot sum) s(n): 2522332224
- 1388129856 is an abundant number, because the sum of its proper divisors (2522332224) is greater than itself. Its abundance is 1134202368
Bases of 1388129856
- Binary: 10100101011110100101110010000002
- Hexadecimal: 0x52BD2E40
- Base-36: MYGFUO
Squares and roots of 1388129856
- 1388129856 squared (13881298562) is 1926904497118580736
- 1388129856 cubed (13881298563) is 2674793662110967891988054016
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The
square root of 1388129856 is 37257.6147384665 -
The
cube root of 1388129856 is 1115.5182977833
Scales and comparisons
How big is 1388129856?- 1,388,129,856 seconds is equal to 44 years, 7 weeks, 1 day, 7 hours, 37 minutes, 36 seconds.
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To count from 1 to 1,388,129,856 would take you about eighty-eight 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 1388129856 cubic inches would be around 93 feet tall.
Recreational maths with 1388129856
- 1388129856 backwards is 6589218831
- The number of decimal digits it has is: 10
- The sum of 1388129856's digits is 51
- More coming soon!
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The information we have on file for 1388129856 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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