138728857000
138,728,857,000 is an even composite number composed of six prime numbers multiplied together.
138728857000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138728857000:
23 × 53 × 17 × 113 × 257 × 281
(2 × 2 × 2 × 5 × 5 × 5 × 17 × 113 × 257 × 281)See below for interesting mathematical facts about the number 138728857000 from the Numbermatics database.
Names of 138728857000
- Cardinal: 138728857000 can be written as One hundred thirty-eight billion, seven hundred twenty-eight million, eight hundred fifty-seven thousand.
Scientific notation
- Scientific notation: 1.38728857 × 1011
Factors of 138728857000
Divisors of 138728857000
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 113 125 136 170 200 226 250 257 281 340 425 452 500 514 562 565 680 850 904 1000 1028 1124 1130 1285 1405 1700 1921 2056 2125 2248 2260 2570 2810 2825 3400 3842 4250 4369 4520 4777 5140 5620 5650 6425 7025 7684 8500 8738 9554 9605 10280 11240 11300 12850 14050 14125 15368 17000 17476 19108 19210 21845 22600 23885 25700 28100 28250 29041 31753 32125 34952 35125 38216 38420 43690 47770 48025 51400 56200 56500 58082 63506 64250 70250 72217 76840 87380 95540 96050 109225 113000 116164 119425 127012 128500 140500 144434 145205 158765 174760 191080 192100 218450 232328 238850 240125 254024 257000 281000 288868 290410 317530 361085 384200 436900 477700 480250 493697 539801 546125 577736 580820 597125 635060 722170 726025 793825 873800 955400 960500 987394 1079602 1092250 1161640 1194250 1227689 1270120 1444340 1452050 1587650 1805425 1921000 1974788 2159204 2184500 2388500 2455378 2468485 2699005 2888680 2904100 3175300 3610850 3630125 3949576 3969125 4318408 4369000 4777000 4910756 4936970 5398010 5808200 6138445 6350600 7221700 7260250 7938250 8160521 9027125 9821512 9873940 10796020 12276890 12342425 13495025 14443400 14520500 15876500 16321042 18054250 19747880 21592040 24553780 24684850 26990050 29041000 30692225 31753000 32642084 36108500 40802605 49107560 49369700 53980100 61384450 61712125 65284168 67475125 72217000 81605210 98739400 107960200 122768900 123424250 134950250 138728857 153461125 163210420 204013025 245537800 246848500 269900500 277457714 306922250 326420840 408026050 493697000 539801000 554915428 613844500 693644285 816052100 1020065125 1109830856 1227689000 1387288570 1632104200 2040130250 2774577140 3468221425 4080260500 5549154280 6936442850 8160521000 13872885700 17341107125 27745771400 34682214250 69364428500 138728857000
- Sum of all divisors σ(n): 349351030080
- Sum of proper divisors (its aliquot sum) s(n): 210622173080
- 138728857000 is an abundant number, because the sum of its proper divisors (210622173080) is greater than itself. Its abundance is 71893316080
Bases of 138728857000
- Binary: 100000010011001110001001011101101010002
- Hexadecimal: 0x204CE25DA8
- Base-36: 1RQBKV54
Squares and roots of 138728857000
- 138728857000 squared (1387288570002) is 19245695764526449000000
- 138728857000 cubed (1387288570003) is 2669933375582495416038793000000000
-
The
square root of 138728857000 is 372463.2290575809 -
The
cube root of 138728857000 is 5176.7310536807
Scales and comparisons
How big is 138728857000?- 138,728,857,000 seconds is equal to 4,411 years, 7 weeks, 5 days, 1 hour, 36 minutes, 40 seconds.
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To count from 1 to 138,728,857,000 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 138728857000 cubic inches would be around 431.4 feet tall.
Recreational maths with 138728857000
- 138728857000 backwards is 000758827831
- The number of decimal digits it has is: 12
- The sum of 138728857000's digits is 49
- More coming soon!
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