138838390400
138,838,390,400 is an even composite number composed of five prime numbers multiplied together.
138838390400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138838390400:
27 × 52 × 257 × 401 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 257 × 401 × 421)See below for interesting mathematical facts about the number 138838390400 from the Numbermatics database.
Names of 138838390400
- Cardinal: 138838390400 can be written as One hundred thirty-eight billion, eight hundred thirty-eight million, three hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 1.388383904 × 1011
Factors of 138838390400
Divisors of 138838390400
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 257 320 400 401 421 514 640 800 802 842 1028 1285 1600 1604 1684 2005 2056 2105 2570 3200 3208 3368 4010 4112 4210 5140 6416 6425 6736 8020 8224 8420 10025 10280 10525 12832 12850 13472 16040 16448 16840 20050 20560 21050 25664 25700 26944 32080 32896 33680 40100 41120 42100 51328 51400 53888 64160 67360 80200 82240 84200 102800 103057 108197 128320 134720 160400 164480 168400 168821 205600 206114 216394 256640 269440 320800 336800 337642 411200 412228 432788 515285 540985 641600 673600 675284 822400 824456 844105 865576 1030570 1081970 1283200 1347200 1350568 1648912 1688210 1731152 2061140 2163940 2576425 2701136 2704925 3297824 3376420 3462304 4122280 4220525 4327880 5152850 5402272 5409850 6595648 6752840 6924608 8244560 8441050 8655760 10305700 10804544 10819700 13191296 13505680 13849216 16489120 16882100 17311520 20611400 21609088 21639400 27011360 32978240 33764200 34623040 41222800 43278800 43386997 54022720 65956480 67528400 69246080 82445600 86557600 86773994 108045440 135056800 164891200 173115200 173547988 216934985 270113600 329782400 346230400 347095976 433869970 540227200 694191952 867739940 1084674925 1388383904 1735479880 2169349850 2776767808 3470959760 4338699700 5553535616 6941919520 8677399400 13883839040 17354798800 27767678080 34709597600 69419195200 138838390400
- Sum of all divisors σ(n): 345987241560
- Sum of proper divisors (its aliquot sum) s(n): 207148851160
- 138838390400 is an abundant number, because the sum of its proper divisors (207148851160) is greater than itself. Its abundance is 68310460760
Bases of 138838390400
- Binary: 100000010100110110100110110110100000002
- Hexadecimal: 0x205369B680
- Base-36: 1RS4SJNK
Squares and roots of 138838390400
- 138838390400 squared (1388383904002) is 19276098648862812160000
- 138838390400 cubed (1388383904003) is 2676262509599727630711947264000000
-
The
square root of 138838390400 is 372610.2392581289 -
The
cube root of 138838390400 is 5178.0931249883
Scales and comparisons
How big is 138838390400?- 138,838,390,400 seconds is equal to 4,414 years, 32 weeks, 5 days, 19 hours, 33 minutes, 20 seconds.
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To count from 1 to 138,838,390,400 would take you about eight thousand, eight hundred twenty-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 138838390400 cubic inches would be around 431.5 feet tall.
Recreational maths with 138838390400
- 138838390400 backwards is 004093838831
- The number of decimal digits it has is: 12
- The sum of 138838390400's digits is 47
- More coming soon!
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The information we have on file for 138838390400 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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