138812480
138,812,480 is an even composite number composed of five prime numbers multiplied together.
138812480 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 138812480:
26 × 5 × 172 × 19 × 79
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 17 × 19 × 79)See below for interesting mathematical facts about the number 138812480 from the Numbermatics database.
Names of 138812480
- Cardinal: 138812480 can be written as One hundred thirty-eight million, eight hundred twelve thousand, four hundred eighty.
Scientific notation
- Scientific notation: 1.3881248 × 108
Factors of 138812480
Divisors of 138812480
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 16 17 19 20 32 34 38 40 64 68 76 79 80 85 95 136 152 158 160 170 190 272 289 304 316 320 323 340 380 395 544 578 608 632 646 680 760 790 1088 1156 1216 1264 1292 1343 1360 1445 1501 1520 1580 1615 2312 2528 2584 2686 2720 2890 3002 3040 3160 3230 4624 5056 5168 5372 5440 5491 5780 6004 6080 6320 6460 6715 7505 9248 10336 10744 10982 11560 12008 12640 12920 13430 15010 18496 20672 21488 21964 22831 23120 24016 25280 25517 25840 26860 27455 30020 42976 43928 45662 46240 48032 51034 51680 53720 54910 60040 85952 87856 91324 92480 96064 102068 103360 107440 109820 114155 120080 127585 175712 182648 204136 214880 219640 228310 240160 255170 351424 365296 408272 429760 433789 439280 456620 480320 510340 730592 816544 867578 878560 913240 1020680 1461184 1633088 1735156 1757120 1826480 2041360 2168945 3470312 3652960 4082720 4337890 6940624 7305920 8165440 8675780 13881248 17351560 27762496 34703120 69406240 138812480
- Sum of all divisors σ(n): 374294400
- Sum of proper divisors (its aliquot sum) s(n): 235481920
- 138812480 is an abundant number, because the sum of its proper divisors (235481920) is greater than itself. Its abundance is 96669440
Bases of 138812480
- Binary: 10000100011000011100010000002
- Hexadecimal: 0x8461C40
- Base-36: 2AN8E8
Squares and roots of 138812480
- 138812480 squared (1388124802) is 19268904603750400
- 138812480 cubed (1388124803) is 2674764434930010324992000
-
The
square root of 138812480 is 11781.8708191865 -
The
cube root of 138812480 is 517.7770988317
Scales and comparisons
How big is 138812480?- 138,812,480 seconds is equal to 4 years, 21 weeks, 3 days, 15 hours, 1 minute, 20 seconds.
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To count from 1 to 138,812,480 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 138812480 cubic inches would be around 43.1 feet tall.
Recreational maths with 138812480
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