18138906760
18,138,906,760 is an even composite number composed of seven prime numbers multiplied together.
What does the number 18138906760 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 256 divisors.
18138906760 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 18138906760:
23 × 5 × 13 × 23 × 41 × 71 × 521
(2 × 2 × 2 × 5 × 13 × 23 × 41 × 71 × 521)See below for interesting mathematical facts about the number 18138906760 from the Numbermatics database.
Names of 18138906760
- Cardinal: 18138906760 can be written as Eighteen billion, one hundred thirty-eight million, nine hundred six thousand, seven hundred sixty.
Scientific notation
- Scientific notation: 1.813890676 × 1010
Factors of 18138906760
Divisors of 18138906760
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 8 10 13 20 23 26 40 41 46 52 65 71 82 92 104 115 130 142 164 184 205 230 260 284 299 328 355 410 460 520 521 533 568 598 710 820 920 923 943 1042 1066 1196 1420 1495 1633 1640 1846 1886 2084 2132 2392 2605 2665 2840 2911 2990 3266 3692 3772 4168 4264 4615 4715 5210 5330 5822 5980 6532 6773 7384 7544 8165 9230 9430 10420 10660 11644 11960 11983 12259 13064 13546 14555 16330 18460 18860 20840 21229 21320 21361 23288 23966 24518 27092 29110 32660 33865 36920 36991 37720 37843 42458 42722 47932 49036 54184 58220 59915 61295 65320 66953 67730 73982 75686 84916 85444 95864 98072 106145 106805 116440 119830 122590 133906 135460 147964 151372 155779 169832 170888 184955 189215 212290 213610 239660 245180 267812 270920 277693 295928 302744 311558 334765 369910 378430 424580 427220 479320 480883 490360 491303 535624 555386 623116 669530 739820 756860 778895 849160 850793 854440 870389 961766 982606 1110772 1246232 1339060 1388465 1479640 1513720 1516631 1557790 1701586 1740778 1923532 1965212 2221544 2404415 2456515 2678120 2776930 3033262 3115580 3403172 3481556 3847064 3930424 4253965 4351945 4808830 4913030 5553860 6066524 6231160 6386939 6806344 6963112 7583155 8507930 8703890 9617660 9826060 11060309 11107720 12133048 12773878 15166310 17015860 17407780 19235320 19652120 19716203 22120618 25547756 30332620 31934695 34031720 34815560 34882513 39432406 44241236 51095512 55301545 60665240 63869390 69765026 78864812 88482472 98581015 110603090 127738780 139530052 157729624 174412565 197162030 221206180 255477560 279060104 348825130 394324060 442412360 453472669 697650260 788648120 906945338 1395300520 1813890676 2267363345 3627781352 4534726690 9069453380 18138906760
- Sum of all divisors σ(n): 47734686720
- Sum of proper divisors (its aliquot sum) s(n): 29595779960
- 18138906760 is an abundant number, because the sum of its proper divisors (29595779960) is greater than itself. Its abundance is 11456873200
Bases of 18138906760
- Binary: 100001110010010100111000000100010002
- Hexadecimal: 0x43929C088
- Base-36: 8BZFQ14
Squares and roots of 18138906760
- 18138906760 squared (181389067602) is 329019938447973697600
- 18138906760 cubed (181389067603) is 5968061985688734011698835776000
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The
square root of 18138906760 is 134680.7586851217 -
The
cube root of 18138906760 is 2627.4655841359
Scales and comparisons
How big is 18138906760?- 18,138,906,760 seconds is equal to 576 years, 39 weeks, 4 days, 1 hour, 12 minutes, 40 seconds.
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To count from 1 to 18,138,906,760 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 18138906760 cubic inches would be around 219 feet tall.
Recreational maths with 18138906760
- 18138906760 backwards is 06760983181
- The number of decimal digits it has is: 11
- The sum of 18138906760's digits is 49
- More coming soon!
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