18108185040
18,108,185,040 is an even composite number composed of five prime numbers multiplied together.
18108185040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 18108185040:
24 × 37 × 5 × 11 × 972
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 11 × 97 × 97)See below for interesting mathematical facts about the number 18108185040 from the Numbermatics database.
Names of 18108185040
- Cardinal: 18108185040 can be written as Eighteen billion, one hundred eight million, one hundred eighty-five thousand and forty.
Scientific notation
- Scientific notation: 1.810818504 × 1010
Factors of 18108185040
Divisors of 18108185040
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 81 88 90 97 99 108 110 120 132 135 144 162 165 176 180 194 198 216 220 240 243 264 270 291 297 324 330 360 388 396 405 432 440 485 486 495 528 540 582 594 648 660 720 729 776 792 810 873 880 891 970 972 990 1067 1080 1164 1188 1215 1296 1320 1455 1458 1485 1552 1584 1620 1746 1782 1940 1944 1980 2134 2160 2187 2328 2376 2430 2619 2640 2673 2910 2916 2970 3201 3240 3492 3564 3645 3880 3888 3960 4268 4365 4374 4455 4656 4752 4860 5238 5335 5346 5820 5832 5940 6402 6480 6984 7128 7290 7760 7857 7920 8019 8536 8730 8748 8910 9409 9603 9720 10476 10670 10692 10935 11640 11664 11880 12804 13095 13365 13968 14256 14580 15714 16005 16038 17072 17460 17496 17820 18818 19206 19440 20952 21340 21384 21870 23280 23571 23760 24057 25608 26190 26730 28227 28809 29160 31428 32010 32076 34920 34992 35640 37636 38412 39285 40095 41904 42680 42768 43740 47045 47142 48015 48114 51216 52380 53460 56454 57618 58320 62856 64020 64152 69840 70713 71280 75272 76824 78570 80190 84681 85360 86427 87480 94090 94284 96030 96228 103499 104760 106920 112908 115236 117855 120285 125712 128040 128304 141135 141426 144045 150544 153648 157140 160380 169362 172854 174960 188180 188568 192060 192456 206998 209520 212139 213840 225816 230472 235710 240570 254043 256080 259281 282270 282852 288090 310497 314280 320760 338724 345708 353565 376360 377136 384120 384912 413996 423405 424278 432135 451632 460944 471420 481140 508086 517495 518562 564540 565704 576180 620994 628560 641520 677448 691416 707130 752720 762129 768240 777843 827992 846810 848556 864270 931491 942840 962280 1016172 1034990 1037124 1060695 1129080 1131408 1152360 1241988 1270215 1296405 1354896 1382832 1414260 1524258 1552485 1555686 1655984 1693620 1697112 1728540 1862982 1885680 1924560 2032344 2069980 2074248 2121390 2258160 2286387 2304720 2333529 2483976 2540430 2592810 2794473 2828520 3048516 3104970 3111372 3387240 3394224 3457080 3725964 3810645 3889215 4064688 4139960 4148496 4242780 4572774 4657455 4667058 4967952 5080860 5185620 5588946 5657040 6097032 6209940 6222744 6774480 6859161 6914160 7451928 7621290 7778430 8279920 8383419 8485560 9145548 9314910 9334116 10161720 10371240 11177892 11431935 11667645 12194064 12419880 12445488 13718322 13972365 14903856 15242580 15556860 16766838 16971120 18291096 18629820 18668232 20323440 20577483 20742480 22355784 22863870 23335290 24839760 25150257 27436644 27944730 30485160 31113720 33533676 34295805 36582192 37259640 37336464 41154966 41917095 44711568 45727740 46670580 50300514 54873288 55889460 60970320 62227440 67067352 68591610 74519280 75450771 82309932 83834190 91455480 93341160 100601028 102887415 109746576 111778920 125751285 134134704 137183220 150901542 164619864 167668380 182910960 186682320 201202056 205774830 223557840 226352313 251502570 274366440 301803084 329239728 335336760 377253855 402404112 411549660 452704626 503005140 548732880 603606168 670673520 754507710 823099320 905409252 1006010280 1131761565 1207212336 1509015420 1646198640 1810818504 2012020560 2263523130 3018030840 3621637008 4527046260 6036061680 9054092520 18108185040
- Sum of all divisors σ(n): 69600366720
- Sum of proper divisors (its aliquot sum) s(n): 51492181680
- 18108185040 is an abundant number, because the sum of its proper divisors (51492181680) is greater than itself. Its abundance is 33383996640
Bases of 18108185040
- Binary: 100001101110101010011111001110100002
- Hexadecimal: 0x43754F9D0
- Base-36: 8BH5900
Squares and roots of 18108185040
- 18108185040 squared (181081850402) is 327906365442879801600
- 18108185040 cubed (181081850403) is 5937789141233528997851288064000
-
The
square root of 18108185040 is 134566.6564940959 -
The
cube root of 18108185040 is 2625.9813734695
Scales and comparisons
How big is 18108185040?- 18,108,185,040 seconds is equal to 575 years, 40 weeks, 5 days, 11 hours, 24 minutes.
-
To count from 1 to 18,108,185,040 would take you about one thousand, one hundred fifty-one 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 18108185040 cubic inches would be around 218.8 feet tall.
Recreational maths with 18108185040
- 18108185040 backwards is 04058180181
- 18108185040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18108185040's digits is 36
- More coming soon!
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