138989121280
138,989,121,280 is an even composite number composed of five prime numbers multiplied together.
138989121280 is an even 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 138989121280:
28 × 5 × 29 × 89 × 42071
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29 × 89 × 42071)See below for interesting mathematical facts about the number 138989121280 from the Numbermatics database.
Names of 138989121280
- Cardinal: 138989121280 can be written as One hundred thirty-eight billion, nine hundred eighty-nine million, one hundred twenty-one thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.3898912128 × 1011
Factors of 138989121280
Divisors of 138989121280
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 5 8 10 16 20 29 32 40 58 64 80 89 116 128 145 160 178 232 256 290 320 356 445 464 580 640 712 890 928 1160 1280 1424 1780 1856 2320 2581 2848 3560 3712 4640 5162 5696 7120 7424 9280 10324 11392 12905 14240 18560 20648 22784 25810 28480 37120 41296 42071 51620 56960 82592 84142 103240 113920 165184 168284 206480 210355 330368 336568 412960 420710 660736 673136 825920 841420 1220059 1346272 1651840 1682840 2440118 2692544 3303680 3365680 3744319 4880236 5385088 6100295 6731360 7488638 9760472 10770176 12200590 13462720 14977276 18721595 19520944 24401180 26925440 29954552 37443190 39041888 48802360 53850880 59909104 74886380 78083776 97604720 108585251 119818208 149772760 156167552 195209440 217170502 239636416 299545520 312335104 390418880 434341004 479272832 542926255 599091040 780837760 868682008 958545664 1085852510 1198182080 1561675520 1737364016 2171705020 2396364160 3474728032 4343410040 4792728320 6949456064 8686820080 13898912128 17373640160 27797824256 34747280320 69494560640 138989121280
- Sum of all divisors σ(n): 348280430400
- Sum of proper divisors (its aliquot sum) s(n): 209291309120
- 138989121280 is an abundant number, because the sum of its proper divisors (209291309120) is greater than itself. Its abundance is 70302187840
Bases of 138989121280
- Binary: 100000010111000110010110101111000000002
- Hexadecimal: 0x205C65AF00
- Base-36: 1RUMJ8CG
Squares and roots of 138989121280
- 138989121280 squared (1389891212802) is 19317975834186548838400
- 138989121280 cubed (1389891212803) is 2684988486101863406645020721152000
-
The
square root of 138989121280 is 372812.4478608513 -
The
cube root of 138989121280 is 5179.9663250695
Scales and comparisons
How big is 138989121280?- 138,989,121,280 seconds is equal to 4,419 years, 22 weeks, 9 hours, 14 minutes, 40 seconds.
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To count from 1 to 138,989,121,280 would take you about eight thousand, eight hundred thirty-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 138989121280 cubic inches would be around 431.7 feet tall.
Recreational maths with 138989121280
- 138989121280 backwards is 082121989831
- The number of decimal digits it has is: 12
- The sum of 138989121280's digits is 52
- More coming soon!
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The information we have on file for 138989121280 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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