138389967872
138,389,967,872 is an even composite number composed of five prime numbers multiplied together.
138389967872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred seventy-six divisors.
Prime factorization of 138389967872:
210 × 13 × 31 × 443 × 757
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 31 × 443 × 757)See below for interesting mathematical facts about the number 138389967872 from the Numbermatics database.
Names of 138389967872
- Cardinal: 138389967872 can be written as One hundred thirty-eight billion, three hundred eighty-nine million, nine hundred sixty-seven thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.38389967872 × 1011
Factors of 138389967872
Divisors of 138389967872
- Number of divisors d(n): 176
-
Complete list of divisors:
1 2 4 8 13 16 26 31 32 52 62 64 104 124 128 208 248 256 403 416 443 496 512 757 806 832 886 992 1024 1514 1612 1664 1772 1984 3028 3224 3328 3544 3968 5759 6056 6448 6656 7088 7936 9841 11518 12112 12896 13312 13733 14176 15872 19682 23036 23467 24224 25792 27466 28352 31744 39364 46072 46934 48448 51584 54932 56704 78728 92144 93868 96896 103168 109864 113408 157456 178529 184288 187736 193792 206336 219728 226816 305071 314912 335351 357058 368576 375472 387584 412672 439456 453632 610142 629824 670702 714116 737152 750944 775168 878912 1220284 1259648 1341404 1428232 1474304 1501888 1757824 2440568 2519296 2682808 2856464 2948608 3003776 3515648 4359563 4881136 5038592 5365616 5712928 5897216 6007552 7031296 8719126 9762272 10077184 10395881 10731232 11425856 12015104 14062592 17438252 19524544 20791762 21462464 22851712 24030208 34876504 39049088 41583524 42924928 45703424 69753008 78098176 83167048 85849856 91406848 135146453 139506016 156196352 166334096 171699712 182813696 270292906 279012032 312392704 332668192 343399424 540585812 558024064 665336384 1081171624 1116048128 1330672768 2162343248 2232096256 2661345536 4324686496 4464192512 5322691072 8649372992 10645382144 17298745984 34597491968 69194983936 138389967872
- Sum of all divisors σ(n): 308637030912
- Sum of proper divisors (its aliquot sum) s(n): 170247063040
- 138389967872 is an abundant number, because the sum of its proper divisors (170247063040) is greater than itself. Its abundance is 31857095168
Bases of 138389967872
- Binary: 100000001110001010111101010100000000002
- Hexadecimal: 0x2038AF5400
- Base-36: 1RKPTAM8
Squares and roots of 138389967872
- 138389967872 squared (1383899678722) is 19151783207613192208384
- 138389967872 cubed (1383899678723) is 2650414662793098775521622489038848
-
The
square root of 138389967872 is 372008.0212468543 -
The
cube root of 138389967872 is 5172.5123487889
Scales and comparisons
How big is 138389967872?- 138,389,967,872 seconds is equal to 4,400 years, 19 weeks, 2 days, 17 hours, 44 minutes, 32 seconds.
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To count from 1 to 138,389,967,872 would take you about eight thousand, eight hundred 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 138389967872 cubic inches would be around 431 feet tall.
Recreational maths with 138389967872
- 138389967872 backwards is 278769983831
- The number of decimal digits it has is: 12
- The sum of 138389967872's digits is 71
- More coming soon!
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