142497390
142,497,390 is an even composite number composed of seven prime numbers multiplied together.
142497390 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 142497390:
2 × 3 × 5 × 72 × 31 × 53 × 59
(2 × 3 × 5 × 7 × 7 × 31 × 53 × 59)See below for interesting mathematical facts about the number 142497390 from the Numbermatics database.
Names of 142497390
- Cardinal: 142497390 can be written as One hundred forty-two million, four hundred ninety-seven thousand, three hundred ninety.
Scientific notation
- Scientific notation: 1.4249739 × 108
Factors of 142497390
Divisors of 142497390
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 31 35 42 49 53 59 62 70 93 98 105 106 118 147 155 159 177 186 210 217 245 265 294 295 310 318 354 371 413 434 465 490 530 590 651 735 742 795 826 885 930 1085 1113 1239 1302 1470 1519 1590 1643 1770 1829 1855 2065 2170 2226 2478 2597 2891 3038 3127 3255 3286 3658 3710 4130 4557 4929 5194 5487 5565 5782 6195 6254 6510 7595 7791 8215 8673 9114 9145 9381 9858 10974 11130 11501 12390 12803 12985 14455 15190 15582 15635 16430 17346 18290 18762 21889 22785 23002 24645 25606 25970 27435 28910 31270 34503 38409 38955 43365 43778 45570 46905 49290 54870 57505 64015 65667 69006 76818 77910 80507 86730 89621 93810 96937 109445 115010 128030 131334 153223 161014 172515 179242 192045 193874 218890 241521 268863 290811 306446 328335 345030 384090 402535 448105 459669 483042 484685 537726 581622 656670 678559 766115 805070 896210 919338 969370 1207605 1344315 1357118 1454055 1532230 2035677 2298345 2415210 2688630 2908110 3392795 4071354 4596690 4749913 6785590 9499826 10178385 14249739 20356770 23749565 28499478 47499130 71248695 142497390
- Sum of all divisors σ(n): 425502720
- Sum of proper divisors (its aliquot sum) s(n): 283005330
- 142497390 is an abundant number, because the sum of its proper divisors (283005330) is greater than itself. Its abundance is 140507940
Bases of 142497390
- Binary: 10000111111001010110011011102
- Hexadecimal: 0x87E566E
- Base-36: 2CU7OU
Squares and roots of 142497390
- 142497390 squared (1424973902) is 20305506156812100
- 142497390 cubed (1424973903) is 2893481629974654970419000
-
The
square root of 142497390 is 11937.2270649427 -
The
cube root of 142497390 is 522.3187744787
Scales and comparisons
How big is 142497390?- 142,497,390 seconds is equal to 4 years, 27 weeks, 4 days, 6 hours, 36 minutes, 30 seconds.
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To count from 1 to 142,497,390 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 142497390 cubic inches would be around 43.5 feet tall.
Recreational maths with 142497390
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