142939940
142,939,940 is an even composite number composed of seven prime numbers multiplied together.
142939940 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 142939940:
22 × 5 × 11 × 13 × 23 × 41 × 53
(2 × 2 × 5 × 11 × 13 × 23 × 41 × 53)See below for interesting mathematical facts about the number 142939940 from the Numbermatics database.
Names of 142939940
- Cardinal: 142939940 can be written as One hundred forty-two million, nine hundred thirty-nine thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.4293994 × 108
Factors of 142939940
Divisors of 142939940
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 10 11 13 20 22 23 26 41 44 46 52 53 55 65 82 92 106 110 115 130 143 164 205 212 220 230 253 260 265 286 299 410 451 460 506 530 533 572 583 598 689 715 820 902 943 1012 1060 1066 1166 1196 1219 1265 1378 1430 1495 1804 1886 2132 2173 2255 2332 2438 2530 2665 2756 2860 2915 2990 3289 3445 3772 4346 4510 4715 4876 5060 5330 5830 5863 5980 6095 6578 6890 7579 8692 9020 9430 10373 10660 10865 11660 11726 12190 12259 13156 13409 13780 15158 15847 16445 18860 20746 21730 23452 23903 24380 24518 26818 28249 29315 30316 31694 32890 37895 41492 43460 47806 49036 49979 51865 53636 56498 58630 61295 63388 65780 67045 75790 79235 95612 99958 103730 112996 117260 119515 122590 134090 134849 141245 151580 158470 174317 199916 207460 239030 245180 249895 268180 269698 282490 310739 316940 348634 478060 499790 539396 549769 564980 621478 649727 674245 697268 871585 999580 1099538 1242956 1299454 1348490 1553695 1743170 2199076 2598908 2696980 2748845 3107390 3248635 3486340 5497690 6214780 6497270 7146997 10995380 12994540 14293994 28587988 35734985 71469970 142939940
- Sum of all divisors σ(n): 384072192
- Sum of proper divisors (its aliquot sum) s(n): 241132252
- 142939940 is an abundant number, because the sum of its proper divisors (241132252) is greater than itself. Its abundance is 98192312
Bases of 142939940
- Binary: 10001000010100010111001001002
- Hexadecimal: 0x8851724
- Base-36: 2D3P5W
Squares and roots of 142939940
- 142939940 squared (1429399402) is 20431826447203600
- 142939940 cubed (1429399403) is 2920524046453695751784000
-
The
square root of 142939940 is 11955.7492446103 -
The
cube root of 142939940 is 522.8589324221
Scales and comparisons
How big is 142939940?- 142,939,940 seconds is equal to 4 years, 28 weeks, 2 days, 9 hours, 32 minutes, 20 seconds.
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To count from 1 to 142,939,940 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 142939940 cubic inches would be around 43.6 feet tall.
Recreational maths with 142939940
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