161438940
161,438,940 is an even composite number composed of six prime numbers multiplied together.
161438940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 161438940:
22 × 33 × 5 × 132 × 29 × 61
(2 × 2 × 3 × 3 × 3 × 5 × 13 × 13 × 29 × 61)See below for interesting mathematical facts about the number 161438940 from the Numbermatics database.
Names of 161438940
- Cardinal: 161438940 can be written as One hundred sixty-one million, four hundred thirty-eight thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.6143894 × 108
Factors of 161438940
Divisors of 161438940
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 29 30 36 39 45 52 54 58 60 61 65 78 87 90 108 116 117 122 130 135 145 156 169 174 180 183 195 234 244 260 261 270 290 305 338 348 351 366 377 390 435 468 507 522 540 549 580 585 610 676 702 732 754 780 783 793 845 870 915 1014 1044 1098 1131 1170 1220 1305 1404 1508 1521 1566 1586 1647 1690 1740 1755 1769 1830 1885 2028 2196 2262 2340 2379 2535 2610 2745 3042 3132 3172 3294 3380 3393 3510 3538 3660 3770 3915 3965 4524 4563 4758 4901 5070 5220 5307 5490 5655 6084 6588 6786 7020 7076 7137 7540 7605 7830 7930 8235 8845 9126 9516 9802 10140 10179 10309 10614 10980 11310 11895 13572 14274 14703 15210 15660 15860 15921 16470 16965 17690 18252 19604 20358 20618 21228 21411 22620 22815 22997 23790 24505 26535 28548 29406 30420 30927 31842 32940 33930 35380 35685 40716 41236 42822 44109 45630 45994 47580 47763 49010 50895 51545 53070 58812 61854 63684 67860 68991 71370 73515 79605 85644 88218 91260 91988 92781 95526 98020 101790 103090 106140 107055 114985 123708 132327 137982 142740 147030 154635 159210 176436 185562 191052 203580 206180 206973 214110 220545 229970 238815 264654 275964 278343 294060 298961 309270 318420 344955 371124 413946 428220 441090 459940 463905 477630 529308 556686 597922 618540 620919 661635 689910 827892 882180 896883 927810 955260 1034865 1113372 1195844 1241838 1323270 1379820 1391715 1494805 1793766 1855620 2069730 2483676 2646540 2690649 2783430 2989610 3104595 3587532 4139460 4484415 5381298 5566860 5979220 6209190 8071947 8968830 10762596 12418380 13453245 16143894 17937660 26906490 32287788 40359735 53812980 80719470 161438940
- Sum of all divisors σ(n): 571838400
- Sum of proper divisors (its aliquot sum) s(n): 410399460
- 161438940 is an abundant number, because the sum of its proper divisors (410399460) is greater than itself. Its abundance is 248960520
Bases of 161438940
- Binary: 10011001111101011100110111002
- Hexadecimal: 0x99F5CDC
- Base-36: 2O4730
Squares and roots of 161438940
- 161438940 squared (1614389402) is 26062531348323600
- 161438940 cubed (1614389403) is 4207507434590132760984000
-
The
square root of 161438940 is 12705.8624264549 -
The
cube root of 161438940 is 544.5061204907
Scales and comparisons
How big is 161438940?- 161,438,940 seconds is equal to 5 years, 6 weeks, 6 days, 12 hours, 9 minutes.
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To count from 1 to 161,438,940 would take you about seven 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 161438940 cubic inches would be around 45.4 feet tall.
Recreational maths with 161438940
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"Number 161438940 - Facts about the integer". Numbermatics.com. 2024. Web. 15 May 2024.
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The information we have on file for 161438940 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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