18001328994
18,001,328,994 is an even composite number composed of seven prime numbers multiplied together.
18001328994 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 18001328994:
2 × 32 × 112 × 23 × 43 × 61 × 137
(2 × 3 × 3 × 11 × 11 × 23 × 43 × 61 × 137)See below for interesting mathematical facts about the number 18001328994 from the Numbermatics database.
Names of 18001328994
- Cardinal: 18001328994 can be written as Eighteen billion, one million, three hundred twenty-eight thousand, nine hundred ninety-four.
Scientific notation
- Scientific notation: 1.8001328994 × 1010
Factors of 18001328994
Divisors of 18001328994
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 9 11 18 22 23 33 43 46 61 66 69 86 99 121 122 129 137 138 183 198 207 242 253 258 274 363 366 387 411 414 473 506 549 671 726 759 774 822 946 989 1089 1098 1233 1342 1403 1419 1507 1518 1978 2013 2178 2277 2466 2623 2783 2806 2838 2967 3014 3151 4026 4209 4257 4521 4554 5203 5246 5566 5891 5934 6039 6302 7381 7869 8349 8357 8418 8514 8901 9042 9453 10406 10879 11782 12078 12627 13563 14762 15433 15609 15738 16577 16698 16714 17673 17802 18906 21758 22143 23607 25047 25071 25254 27126 28359 28853 30866 31218 32637 33154 34661 35346 44286 46299 46827 47214 49731 50094 50142 53019 56718 57706 60329 64801 65274 66429 69322 75213 86559 91927 92598 93654 97911 99462 103983 106038 119669 120658 129602 132858 135493 138897 149193 150426 169763 173118 180987 183854 192211 194403 195822 207966 239338 259677 270986 275781 277794 298386 311949 317383 339526 359007 359351 361974 381271 384422 388806 406479 509289 519354 542961 551562 576633 583209 623898 634766 663619 712811 718014 718702 762542 812958 827343 952149 1011197 1018578 1077021 1078053 1085922 1143813 1153266 1166418 1219437 1327238 1425622 1490423 1527867 1654686 1729899 1904298 1990857 2022394 2114321 2138433 2154042 2156106 2287626 2438874 2856447 2980846 3033591 3055734 3234159 3431439 3459798 3952861 3981714 4228642 4276866 4471269 5712894 5972571 6067182 6342963 6415299 6468318 6862878 7299809 7905722 8265073 8942538 9100773 11858583 11945142 12685926 12830598 13413807 14599618 16394653 16530146 18201546 19028889 21899427 23257531 23717166 24795219 26827614 32789306 35575749 38057778 43481471 43798854 46515062 49183959 49590438 65698281 69772593 71151498 74385657 86962942 90915803 98367918 130444413 131396562 139545186 147551877 148771314 181831606 209317779 260888826 272747409 295103754 391333239 418635558 545494818 782666478 818242227 1000073833 1636484454 2000147666 3000221499 6000442998 9000664497 18001328994
- Sum of all divisors σ(n): 46865250432
- Sum of proper divisors (its aliquot sum) s(n): 28863921438
- 18001328994 is an abundant number, because the sum of its proper divisors (28863921438) is greater than itself. Its abundance is 10862592444
Bases of 18001328994
- Binary: 100001100001111011001111011011000102
- Hexadecimal: 0x430F67B62
- Base-36: 89PIYCI
Squares and roots of 18001328994
- 18001328994 squared (180013289942) is 324047845550225052036
- 18001328994 cubed (180013289943) is 5833291877546500112440805531784
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The
square root of 18001328994 is 134169.0314267789 -
The
cube root of 18001328994 is 2620.8058916881
Scales and comparisons
How big is 18001328994?- 18,001,328,994 seconds is equal to 572 years, 20 weeks, 17 hours, 9 minutes, 54 seconds.
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To count from 1 to 18,001,328,994 would take you about one thousand, one hundred forty-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 18001328994 cubic inches would be around 218.4 feet tall.
Recreational maths with 18001328994
- 18001328994 backwards is 49982310081
- The number of decimal digits it has is: 11
- The sum of 18001328994's digits is 45
- More coming soon!
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The information we have on file for 18001328994 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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