142166640
142,166,640 is an even composite number composed of six prime numbers multiplied together.
142166640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 142166640:
24 × 3 × 5 × 73 × 11 × 157
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 7 × 11 × 157)See below for interesting mathematical facts about the number 142166640 from the Numbermatics database.
Names of 142166640
- Cardinal: 142166640 can be written as One hundred forty-two million, one hundred sixty-six thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.4216664 × 108
Factors of 142166640
Divisors of 142166640
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 33 35 40 42 44 48 49 55 56 60 66 70 77 80 84 88 98 105 110 112 120 132 140 147 154 157 165 168 176 196 210 220 231 240 245 264 280 294 308 314 330 336 343 385 392 420 440 462 471 490 528 539 560 588 616 628 660 686 735 770 784 785 840 880 924 942 980 1029 1078 1099 1155 1176 1232 1256 1320 1372 1470 1540 1570 1617 1680 1715 1727 1848 1884 1960 2058 2156 2198 2310 2352 2355 2512 2640 2695 2744 2940 3080 3140 3234 3297 3430 3454 3696 3768 3773 3920 4116 4312 4396 4620 4710 5145 5181 5390 5488 5495 5880 6160 6280 6468 6594 6860 6908 7536 7546 7693 8085 8232 8624 8635 8792 9240 9420 10290 10362 10780 10990 11319 11760 12089 12560 12936 13188 13720 13816 15092 15386 16170 16464 16485 17270 17584 18480 18840 18865 20580 20724 21560 21980 22638 23079 24178 25872 25905 26376 27440 27632 30184 30772 32340 32970 34540 36267 37680 37730 38465 41160 41448 43120 43960 45276 46158 48356 51810 52752 53851 56595 60368 60445 61544 64680 65940 69080 72534 75460 76930 82320 82896 84623 87920 90552 92316 96712 103620 107702 113190 115395 120890 123088 129360 131880 138160 145068 150920 153860 161553 169246 181104 181335 184632 193424 207240 215404 226380 230790 241780 253869 263760 269255 290136 301840 307720 323106 338492 362670 369264 414480 423115 430808 452760 461580 483560 507738 538510 580272 592361 615440 646212 676984 725340 807765 846230 861616 905520 923160 967120 1015476 1077020 1184722 1269345 1292424 1353968 1450680 1615530 1692460 1777083 1846320 2030952 2154040 2369444 2538690 2584848 2901360 2961805 3231060 3384920 3554166 4061904 4308080 4738888 5077380 5923610 6462120 6769840 7108332 8885415 9477776 10154760 11847220 12924240 14216664 17770830 20309520 23694440 28433328 35541660 47388880 71083320 142166640
- Sum of all divisors σ(n): 564249600
- Sum of proper divisors (its aliquot sum) s(n): 422082960
- 142166640 is an abundant number, because the sum of its proper divisors (422082960) is greater than itself. Its abundance is 279916320
Bases of 142166640
- Binary: 10000111100101001010011100002
- Hexadecimal: 0x8794A70
- Base-36: 2CN4HC
Squares and roots of 142166640
- 142166640 squared (1421666402) is 20211353528889600
- 142166640 cubed (1421666403) is 2873380221054377362944000
-
The
square root of 142166640 is 11923.3652967609 -
The
cube root of 142166640 is 521.9143442197
Scales and comparisons
How big is 142166640?- 142,166,640 seconds is equal to 4 years, 27 weeks, 10 hours, 44 minutes.
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To count from 1 to 142,166,640 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 142166640 cubic inches would be around 43.5 feet tall.
Recreational maths with 142166640
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