138961631744
138,961,631,744 is an even composite number composed of four prime numbers multiplied together.
138961631744 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 138961631744:
29 × 132 × 172 × 5557
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 13 × 17 × 17 × 5557)See below for interesting mathematical facts about the number 138961631744 from the Numbermatics database.
Names of 138961631744
- Cardinal: 138961631744 can be written as One hundred thirty-eight billion, nine hundred sixty-one million, six hundred thirty-one thousand, seven hundred forty-four.
Scientific notation
- Scientific notation: 1.38961631744 × 1011
Factors of 138961631744
Divisors of 138961631744
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 4 8 13 16 17 26 32 34 52 64 68 104 128 136 169 208 221 256 272 289 338 416 442 512 544 578 676 832 884 1088 1156 1352 1664 1768 2176 2312 2704 2873 3328 3536 3757 4352 4624 5408 5557 5746 6656 7072 7514 8704 9248 10816 11114 11492 14144 15028 18496 21632 22228 22984 28288 30056 36992 43264 44456 45968 48841 56576 60112 72241 73984 86528 88912 91936 94469 97682 113152 120224 144482 147968 177824 183872 188938 195364 240448 288964 355648 367744 377876 390728 480896 577928 711296 735488 755752 781456 939133 961792 1155856 1228097 1422592 1470976 1511504 1562912 1605973 1878266 1923584 2311712 2456194 2845184 3023008 3125824 3211946 3756532 4623424 4912388 6046016 6251648 6423892 7513064 9246848 9824776 12092032 12503296 12847784 15026128 15965261 18493696 19649552 20877649 24184064 25006592 25695568 30052256 31930522 36987392 39299104 41755298 48368128 51391136 60104512 63861044 78598208 83510596 102782272 120209024 127722088 157196416 167021192 205564544 240418048 255444176 271409437 314392832 334042384 411129088 480836096 510888352 542818874 628785664 668084768 822258176 1021776704 1085637748 1336169536 2043553408 2171275496 2672339072 4087106816 4342550992 5344678144 8174213632 8685101984 10689356288 17370203968 34740407936 69480815872 138961631744
- Sum of all divisors σ(n): 319435839954
- Sum of proper divisors (its aliquot sum) s(n): 180474208210
- 138961631744 is an abundant number, because the sum of its proper divisors (180474208210) is greater than itself. Its abundance is 41512576466
Bases of 138961631744
- Binary: 100000010110101100001000111010000000002
- Hexadecimal: 0x205AC23A00
- Base-36: 1RU661A8
Squares and roots of 138961631744
- 138961631744 squared (1389616317442) is 19310335096955068481536
- 138961631744 cubed (1389616317443) is 2683395674596308762045506895478784
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The
square root of 138961631744 is 372775.5782558723 -
The
cube root of 138961631744 is 5179.6248013149
Scales and comparisons
How big is 138961631744?- 138,961,631,744 seconds is equal to 4,418 years, 28 weeks, 4 days, 5 hours, 15 minutes, 44 seconds.
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To count from 1 to 138,961,631,744 would take you about eight thousand, eight hundred thirty-seven 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 138961631744 cubic inches would be around 431.6 feet tall.
Recreational maths with 138961631744
- 138961631744 backwards is 447136169831
- The number of decimal digits it has is: 12
- The sum of 138961631744's digits is 53
- More coming soon!
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