18130605440
18,130,605,440 is an even composite number composed of six prime numbers multiplied together.
18130605440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 18130605440:
27 × 5 × 31 × 61 × 71 × 211
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 61 × 71 × 211)See below for interesting mathematical facts about the number 18130605440 from the Numbermatics database.
Names of 18130605440
- Cardinal: 18130605440 can be written as Eighteen billion, one hundred thirty million, six hundred five thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.813060544 × 1010
Factors of 18130605440
Divisors of 18130605440
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 61 62 64 71 80 122 124 128 142 155 160 211 244 248 284 305 310 320 355 422 488 496 568 610 620 640 710 844 976 992 1055 1136 1220 1240 1420 1688 1891 1952 1984 2110 2201 2272 2440 2480 2840 3376 3782 3904 3968 4220 4331 4402 4544 4880 4960 5680 6541 6752 7564 7808 8440 8662 8804 9088 9455 9760 9920 11005 11360 12871 13082 13504 14981 15128 16880 17324 17608 18910 19520 19840 21655 22010 22720 25742 26164 27008 29962 30256 32705 33760 34648 35216 37820 39040 43310 44020 45440 51484 52328 59924 60512 64355 65410 67520 69296 70432 74905 75640 86620 88040 102968 104656 119848 121024 128710 130820 134261 135040 138592 140864 149810 151280 173240 176080 205936 209312 239696 242048 257420 261640 268522 277184 281728 299620 302560 346480 352160 399001 411872 418624 464411 479392 514840 523280 537044 554368 599240 605120 671305 692960 704320 798002 823744 837248 913841 928822 958784 1029680 1046560 1074088 1198480 1210240 1342610 1385920 1408640 1596004 1647488 1827682 1857644 1917568 1995005 2059360 2093120 2148176 2322055 2396960 2685220 2771840 3192008 3655364 3715288 3990010 4118720 4186240 4296352 4569205 4644110 4793920 5370440 6384016 7310728 7430576 7980020 8237440 8592704 9138410 9288220 9587840 10740880 12768032 14621456 14861152 15960040 17185408 18276820 18576440 21481760 25536064 28329071 29242912 29722304 31920080 36553640 37152880 42963520 51072128 56658142 58485824 59444608 63840160 73107280 74305760 85927040 113316284 116971648 127680320 141645355 146214560 148611520 226632568 255360640 283290710 292429120 297223040 453265136 566581420 584858240 906530272 1133162840 1813060544 2266325680 3626121088 4532651360 9065302720 18130605440
- Sum of all divisors σ(n): 46334177280
- Sum of proper divisors (its aliquot sum) s(n): 28203571840
- 18130605440 is an abundant number, because the sum of its proper divisors (28203571840) is greater than itself. Its abundance is 10072966400
Bases of 18130605440
- Binary: 100001110001010101100010101100000002
- Hexadecimal: 0x438AB1580
- Base-36: 8BUHSOW
Squares and roots of 18130605440
- 18130605440 squared (181306054402) is 328718853620957593600
- 18130605440 cubed (181306054403) is 5959871835690697444533469184000
-
The
square root of 18130605440 is 134649.9366505607 -
The
cube root of 18130605440 is 2627.0647007183
Scales and comparisons
How big is 18130605440?- 18,130,605,440 seconds is equal to 576 years, 25 weeks, 5 days, 23 hours, 17 minutes, 20 seconds.
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To count from 1 to 18,130,605,440 would take you about one thousand, one hundred fifty-two 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 18130605440 cubic inches would be around 218.9 feet tall.
Recreational maths with 18130605440
- 18130605440 backwards is 04450603181
- 18130605440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18130605440's digits is 32
- More coming soon!
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