138728245248
138,728,245,248 is an even composite number composed of four prime numbers multiplied together.
138728245248 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 138728245248:
211 × 32 × 192 × 20849
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 19 × 19 × 20849)See below for interesting mathematical facts about the number 138728245248 from the Numbermatics database.
Names of 138728245248
- Cardinal: 138728245248 can be written as One hundred thirty-eight billion, seven hundred twenty-eight million, two hundred forty-five thousand, two hundred forty-eight.
Scientific notation
- Scientific notation: 1.38728245248 × 1011
Factors of 138728245248
Divisors of 138728245248
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 256 288 304 342 361 384 456 512 576 608 684 722 768 912 1024 1083 1152 1216 1368 1444 1536 1824 2048 2166 2304 2432 2736 2888 3072 3249 3648 4332 4608 4864 5472 5776 6144 6498 7296 8664 9216 9728 10944 11552 12996 14592 17328 18432 19456 20849 21888 23104 25992 29184 34656 38912 41698 43776 46208 51984 58368 62547 69312 83396 87552 92416 103968 116736 125094 138624 166792 175104 184832 187641 207936 250188 277248 333584 350208 369664 375282 396131 415872 500376 554496 667168 739328 750564 792262 831744 1000752 1108992 1188393 1334336 1501128 1584524 1663488 2001504 2217984 2376786 2668672 3002256 3169048 3326976 3565179 4003008 4753572 5337344 6004512 6338096 6653952 7130358 7526489 8006016 9507144 10674688 12009024 12676192 14260716 15052978 16012032 19014288 21349376 22579467 24018048 25352384 28521432 30105956 32024064 38028576 42698752 45158934 48036096 50704768 57042864 60211912 64048128 67738401 76057152 90317868 96072192 101409536 114085728 120423824 128096256 135476802 152114304 180635736 192144384 202819072 228171456 240847648 270953604 304228608 361271472 384288768 405638144 456342912 481695296 541907208 608457216 722542944 811276288 912685824 963390592 1083814416 1216914432 1445085888 1825371648 1926781184 2167628832 2433828864 2890171776 3650743296 3853562368 4335257664 5780343552 7301486592 7707124736 8670515328 11560687104 15414249472 17341030656 23121374208 34682061312 46242748416 69364122624 138728245248
- Sum of all divisors σ(n): 422890854750
- Sum of proper divisors (its aliquot sum) s(n): 284162609502
- 138728245248 is an abundant number, because the sum of its proper divisors (284162609502) is greater than itself. Its abundance is 145434364254
Bases of 138728245248
- Binary: 100000010011001101100100001000000000002
- Hexadecimal: 0x204CD90800
- Base-36: 1RQB7R40
Squares and roots of 138728245248
- 138728245248 squared (1387282452482) is 19245526029589234581504
- 138728245248 cubed (1387282452483) is 2669898054959623039723489556692992
-
The
square root of 138728245248 is 372462.4078319853 -
The
cube root of 138728245248 is 5176.7234444003
Scales and comparisons
How big is 138728245248?- 138,728,245,248 seconds is equal to 4,411 years, 6 weeks, 4 days, 23 hours, 40 minutes, 48 seconds.
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To count from 1 to 138,728,245,248 would take you about eight thousand, eight hundred twenty-two 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 138728245248 cubic inches would be around 431.4 feet tall.
Recreational maths with 138728245248
- 138728245248 backwards is 842542827831
- The number of decimal digits it has is: 12
- The sum of 138728245248's digits is 54
- More coming soon!
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