18161159120
18,161,159,120 is an even composite number composed of five prime numbers multiplied together.
18161159120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred seventy divisors.
Prime factorization of 18161159120:
24 × 5 × 132 × 192 × 612
(2 × 2 × 2 × 2 × 5 × 13 × 13 × 19 × 19 × 61 × 61)See below for interesting mathematical facts about the number 18161159120 from the Numbermatics database.
Names of 18161159120
- Cardinal: 18161159120 can be written as Eighteen billion, one hundred sixty-one million, one hundred fifty-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.816115912 × 1010
Factors of 18161159120
Divisors of 18161159120
- Number of divisors d(n): 270
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Complete list of divisors:
1 2 4 5 8 10 13 16 19 20 26 38 40 52 61 65 76 80 95 104 122 130 152 169 190 208 244 247 260 304 305 338 361 380 488 494 520 610 676 722 760 793 845 976 988 1040 1159 1220 1235 1352 1444 1520 1586 1690 1805 1976 2318 2440 2470 2704 2888 3172 3211 3380 3610 3721 3952 3965 4636 4693 4880 4940 5776 5795 6344 6422 6760 7220 7442 7930 9272 9386 9880 10309 11590 12688 12844 13520 14440 14884 15067 15860 16055 18544 18605 18772 19760 20618 22021 23180 23465 25688 28880 29768 30134 31720 32110 37210 37544 41236 44042 46360 46930 48373 51376 51545 59536 60268 61009 63440 64220 70699 74420 75088 75335 82472 88084 92720 93860 96746 103090 110105 120536 122018 128440 141398 148840 150670 164944 176168 187720 193492 195871 206180 220210 241072 241865 244036 256880 282796 286273 297680 301340 305045 352336 353495 375440 386984 391742 412360 440420 483730 488072 565592 572546 602680 610090 628849 706990 773968 783484 824720 880840 919087 967460 976144 979355 1131184 1145092 1205360 1220180 1257698 1343281 1413980 1431365 1566968 1761680 1838174 1934920 1958710 2290184 2440360 2515396 2686562 2827960 2862730 3133936 3144245 3676348 3721549 3869840 3917420 4580368 4595435 4880720 5030792 5373124 5655920 5725460 6288490 6716405 7352696 7443098 7834840 9190870 10061584 10746248 11450920 11948131 12576980 13432810 14705392 14886196 15669680 17462653 18381740 18607745 21492496 22901840 23896262 25153960 26865620 29772392 34925306 36763480 37215490 47792524 50307920 53731240 59544784 59740655 69850612 73526960 74430980 87313265 95585048 107462480 119481310 139701224 148861960 174626530 191170096 227014489 238962620 279402448 297723920 349253060 454028978 477925240 698506120 908057956 955850480 1135072445 1397012240 1816115912 2270144890 3632231824 4540289780 9080579560 18161159120
- Sum of all divisors σ(n): 49059752274
- Sum of proper divisors (its aliquot sum) s(n): 30898593154
- 18161159120 is an abundant number, because the sum of its proper divisors (30898593154) is greater than itself. Its abundance is 12737434034
Bases of 18161159120
- Binary: 100001110100111110101001011110100002
- Hexadecimal: 0x43A7D4BD0
- Base-36: 8CCOO28
Squares and roots of 18161159120
- 18161159120 squared (181611591202) is 329827700581959174400
- 18161159120 cubed (181611591203) is 5990053352452677167622230528000
-
The
square root of 18161159120 is 134763.3448679573 -
The
cube root of 18161159120 is 2628.5395815635
Scales and comparisons
How big is 18161159120?- 18,161,159,120 seconds is equal to 577 years, 24 weeks, 2 days, 14 hours, 25 minutes, 20 seconds.
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To count from 1 to 18,161,159,120 would take you about one thousand, one hundred fifty-four 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 18161159120 cubic inches would be around 219 feet tall.
Recreational maths with 18161159120
- 18161159120 backwards is 02195116181
- The number of decimal digits it has is: 11
- The sum of 18161159120's digits is 35
- More coming soon!
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