142666440
142,666,440 is an even composite number composed of six prime numbers multiplied together.
142666440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 142666440:
23 × 3 × 5 × 72 × 19 × 1277
(2 × 2 × 2 × 3 × 5 × 7 × 7 × 19 × 1277)See below for interesting mathematical facts about the number 142666440 from the Numbermatics database.
Names of 142666440
- Cardinal: 142666440 can be written as One hundred forty-two million, six hundred sixty-six thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.4266644 × 108
Factors of 142666440
Divisors of 142666440
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 49 56 57 60 70 76 84 95 98 105 114 120 133 140 147 152 168 190 196 210 228 245 266 280 285 294 380 392 399 420 456 490 532 570 588 665 735 760 798 840 931 980 1064 1140 1176 1277 1330 1470 1596 1862 1960 1995 2280 2554 2660 2793 2940 3192 3724 3831 3990 4655 5108 5320 5586 5880 6385 7448 7662 7980 8939 9310 10216 11172 12770 13965 15324 15960 17878 18620 19155 22344 24263 25540 26817 27930 30648 35756 37240 38310 44695 48526 51080 53634 55860 62573 71512 72789 76620 89390 97052 107268 111720 121315 125146 134085 145578 153240 169841 178780 187719 194104 214536 242630 250292 268170 291156 312865 339682 357560 363945 375438 485260 500584 509523 536340 582312 625730 679364 727890 750876 849205 938595 970520 1019046 1072680 1188887 1251460 1358728 1455780 1501752 1698410 1877190 2038092 2377774 2502920 2547615 2911560 3396820 3566661 3754380 4076184 4755548 5095230 5944435 6793640 7133322 7508760 9511096 10190460 11888870 14266644 17833305 20380920 23777740 28533288 35666610 47555480 71333220 142666440
- Sum of all divisors σ(n): 524491200
- Sum of proper divisors (its aliquot sum) s(n): 381824760
- 142666440 is an abundant number, because the sum of its proper divisors (381824760) is greater than itself. Its abundance is 239158320
Bases of 142666440
- Binary: 10001000000011101010110010002
- Hexadecimal: 0x880EAC8
- Base-36: 2CXU4O
Squares and roots of 142666440
- 142666440 squared (1426664402) is 20353713102273600
- 142666440 cubed (1426664403) is 2903791789082730417984000
-
The
square root of 142666440 is 11944.3057563005 -
The
cube root of 142666440 is 522.5252416397
Scales and comparisons
How big is 142666440?- 142,666,440 seconds is equal to 4 years, 27 weeks, 6 days, 5 hours, 34 minutes.
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To count from 1 to 142,666,440 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 142666440 cubic inches would be around 43.5 feet tall.
Recreational maths with 142666440
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