142123520
142,123,520 is an even composite number composed of five prime numbers multiplied together.
142123520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 142123520:
29 × 5 × 72 × 11 × 103
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 11 × 103)See below for interesting mathematical facts about the number 142123520 from the Numbermatics database.
Names of 142123520
- Cardinal: 142123520 can be written as One hundred forty-two million, one hundred twenty-three thousand, five hundred twenty.
Scientific notation
- Scientific notation: 1.4212352 × 108
Factors of 142123520
Divisors of 142123520
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 64 70 77 80 88 98 103 110 112 128 140 154 160 176 196 206 220 224 245 256 280 308 320 352 385 392 412 440 448 490 512 515 539 560 616 640 704 721 770 784 824 880 896 980 1030 1078 1120 1133 1232 1280 1408 1442 1540 1568 1648 1760 1792 1960 2060 2156 2240 2266 2464 2560 2695 2816 2884 3080 3136 3296 3520 3584 3605 3920 4120 4312 4480 4532 4928 5047 5390 5632 5665 5768 6160 6272 6592 7040 7210 7840 7931 8240 8624 8960 9064 9856 10094 10780 11330 11536 12320 12544 13184 14080 14420 15680 15862 16480 17248 17920 18128 19712 20188 21560 22660 23072 24640 25088 25235 26368 28160 28840 31360 31724 32960 34496 36256 39424 39655 40376 43120 45320 46144 49280 50470 52736 55517 57680 62720 63448 65920 68992 72512 79310 80752 86240 90640 92288 98560 100940 111034 115360 125440 126896 131840 137984 145024 158620 161504 172480 181280 184576 197120 201880 222068 230720 253792 263680 275968 277585 290048 317240 323008 344960 362560 369152 403760 444136 461440 507584 555170 580096 634480 646016 689920 725120 807520 888272 922880 1015168 1110340 1268960 1292032 1379840 1450240 1615040 1776544 1845760 2030336 2220680 2537920 2584064 2900480 3230080 3553088 4060672 4441360 5075840 6460160 7106176 8882720 10151680 12920320 14212352 17765440 20303360 28424704 35530880 71061760 142123520
- Sum of all divisors σ(n): 436632768
- Sum of proper divisors (its aliquot sum) s(n): 294509248
- 142123520 is an abundant number, because the sum of its proper divisors (294509248) is greater than itself. Its abundance is 152385728
Bases of 142123520
- Binary: 10000111100010100010000000002
- Hexadecimal: 0x878A200
- Base-36: 2CM77K
Squares and roots of 142123520
- 142123520 squared (1421235202) is 20199094937190400
- 142123520 cubed (1421235203) is 2870766473287678558208000
-
The
square root of 142123520 is 11921.5569452987 -
The
cube root of 142123520 is 521.8615722937
Scales and comparisons
How big is 142123520?- 142,123,520 seconds is equal to 4 years, 26 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
-
To count from 1 to 142,123,520 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 142123520 cubic inches would be around 43.5 feet tall.
Recreational maths with 142123520
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