138841380
138,841,380 is an even composite number composed of five prime numbers multiplied together.
138841380 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 138841380:
22 × 32 × 5 × 173 × 157
(2 × 2 × 3 × 3 × 5 × 17 × 17 × 17 × 157)See below for interesting mathematical facts about the number 138841380 from the Numbermatics database.
Names of 138841380
- Cardinal: 138841380 can be written as One hundred thirty-eight million, eight hundred forty-one thousand, three hundred eighty.
Scientific notation
- Scientific notation: 1.3884138 × 108
Factors of 138841380
Divisors of 138841380
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 157 170 180 204 255 289 306 314 340 471 510 578 612 628 765 785 867 942 1020 1156 1413 1445 1530 1570 1734 1884 2355 2601 2669 2826 2890 3060 3140 3468 4335 4710 4913 5202 5338 5652 5780 7065 8007 8670 9420 9826 10404 10676 13005 13345 14130 14739 16014 17340 19652 24021 24565 26010 26690 28260 29478 32028 40035 44217 45373 48042 49130 52020 53380 58956 73695 80070 88434 90746 96084 98260 120105 136119 147390 160140 176868 181492 221085 226865 240210 272238 294780 408357 442170 453730 480420 544476 680595 771341 816714 884340 907460 1361190 1542682 1633428 2041785 2314023 2722380 3085364 3856705 4083570 4628046 6942069 7713410 8167140 9256092 11570115 13884138 15426820 23140230 27768276 34710345 46280460 69420690 138841380
- Sum of all divisors σ(n): 450318960
- Sum of proper divisors (its aliquot sum) s(n): 311477580
- 138841380 is an abundant number, because the sum of its proper divisors (311477580) is greater than itself. Its abundance is 172636200
Bases of 138841380
- Binary: 10000100011010001101001001002
- Hexadecimal: 0x8468D24
- Base-36: 2ANUP0
Squares and roots of 138841380
- 138841380 squared (1388413802) is 19276928800304400
- 138841380 cubed (1388413803) is 2676435396796007316072000
-
The
square root of 138841380 is 11783.0972159275 -
The
cube root of 138841380 is 517.8130291261
Scales and comparisons
How big is 138841380?- 138,841,380 seconds is equal to 4 years, 21 weeks, 3 days, 23 hours, 3 minutes.
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To count from 1 to 138,841,380 would take you about six 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 138841380 cubic inches would be around 43.2 feet tall.
Recreational maths with 138841380
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