18135349440
18,135,349,440 is an even composite number composed of five prime numbers multiplied together.
18135349440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 18135349440:
26 × 3 × 5 × 132 × 111781
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 13 × 111781)See below for interesting mathematical facts about the number 18135349440 from the Numbermatics database.
Names of 18135349440
- Cardinal: 18135349440 can be written as Eighteen billion, one hundred thirty-five million, three hundred forty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.813534944 × 1010
Factors of 18135349440
Divisors of 18135349440
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 130 156 160 169 192 195 208 240 260 312 320 338 390 416 480 507 520 624 676 780 832 845 960 1014 1040 1248 1352 1560 1690 2028 2080 2496 2535 2704 3120 3380 4056 4160 5070 5408 6240 6760 8112 10140 10816 12480 13520 16224 20280 27040 32448 40560 54080 81120 111781 162240 223562 335343 447124 558905 670686 894248 1117810 1341372 1453153 1676715 1788496 2235620 2682744 2906306 3353430 3576992 4359459 4471240 5365488 5812612 6706860 7153984 7265765 8718918 8942480 10730976 11625224 13413720 14531530 17437836 17884960 18890989 21461952 21797295 23250448 26827440 29063060 34875672 35769920 37781978 43594590 46500896 53654880 56672967 58126120 69751344 75563956 87189180 93001792 94454945 107309760 113345934 116252240 139502688 151127912 174378360 188909890 226691868 232504480 279005376 283364835 302255824 348756720 377819780 453383736 465008960 566729670 604511648 697513440 755639560 906767472 1133459340 1209023296 1395026880 1511279120 1813534944 2266918680 3022558240 3627069888 4533837360 6045116480 9067674720 18135349440
- Sum of all divisors σ(n): 62350211088
- Sum of proper divisors (its aliquot sum) s(n): 44214861648
- 18135349440 is an abundant number, because the sum of its proper divisors (44214861648) is greater than itself. Its abundance is 26079512208
Bases of 18135349440
- Binary: 100001110001111001101111000110000002
- Hexadecimal: 0x438F378C0
- Base-36: 8BXBH6O
Squares and roots of 18135349440
- 18135349440 squared (181353494402) is 328890899310908313600
- 18135349440 cubed (181353494403) is 5964551386639177470937104384000
-
The
square root of 18135349440 is 134667.5515482479 -
The
cube root of 18135349440 is 2627.2938107011
Scales and comparisons
How big is 18135349440?- 18,135,349,440 seconds is equal to 576 years, 33 weeks, 4 days, 21 hours, 4 minutes.
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To count from 1 to 18,135,349,440 would take you about one thousand, one hundred fifty-three 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 18135349440 cubic inches would be around 218.9 feet tall.
Recreational maths with 18135349440
- 18135349440 backwards is 04494353181
- The number of decimal digits it has is: 11
- The sum of 18135349440's digits is 42
- More coming soon!
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