18081018956

Names of 18081018956

• Cardinal: 18081018956 can be written as Eighteen billion, eighty-one million, eighteen thousand, nine hundred fifty-six.

Scientific notation

• Scientific notation: 1.8081018956 × 10¹⁰

Factors of 18081018956

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 228

Divisors of 18081018956

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 11 13 14 22 26 28 31 37 44 52 62 74 77 91 124 127 143 148 154 182 217 254 259 286 308 341 364 403 407 434 481 508 518 572 682 806 814 868 889 961 962 1001 1036 1147 1364 1397 1612 1628 1651 1778 1922 1924 2002 2294 2387 2794 2821 2849 3302 3367 3556 3844 3937 4004 4433 4588 4699 4774 5291 5588 5642 5698 6604 6727 6734 7874 8029 8866 9398 9548 9779 10571 10582 11284 11396 11557 12493 12617 13454 13468 14911 15748 16058 17732 18161 18796 19558 21142 21164 23114 24986 25234 26908 27559 29822 31031 32116 32893 35557 36322 37037 39116 42284 43307 46228 49972 50468 51181 51689 55118 59644 61087 62062 65786 71114 72644 73997 74074 86614 87451 88319 102362 103378 104377 110236 122047 122174 124124 127127 131572 137423 142228 145669 147994 148148 164021 173228 174902 176638 204724 206756 208754 244094 244348 248899 254254 274846 291338 295988 303149 328042 349804 353276 358267 361823 391127 417508 427609 462241 488188 497798 508508 549692 562991 582676 606298 656084 671957 716534 723646 782254 854329 855218 924482 961961 995596 1019683 1125982 1148147 1212596 1342517 1343914 1433068 1447292 1564508 1586611 1602359 1708658 1710436 1848964 1893697 1923922 2039366 2251964 2296294 2685034 2687828 2737889 3173222 3204718 3235687 3417316 3787394 3847844 3940937 4078732 4515739 4592588 4703699 5084651 5370068 5475778 6346444 6409436 6471374 7574788 7881874 9031478 9397619 9407398 10169302 10951556 11106277 11216513 12942748 13255879 15763748 17452721 18062956 18795238 18814796 20338604 20830667 22212554 22433026 26511758 31610173 34905442 35592557 37590476 41661334 44425108 44866052 49673129 53023516 58704607 63220346 69810884 71185114 83322668 99346258 117409214 122169047 126440692 142370228 145814669 198692516 234818428 244338094 291629338 347711903 410932249 488676188 583258676 645750677 695423806 821864498 1291501354 1390847612 1643728996 2583002708 4520254739 9040509478 18081018956
• Sum of all divisors σ(n): 45440188416
• Sum of proper divisors (its aliquot sum) s(n): 27359169460
• 18081018956 is an abundant number, because the sum of its proper divisors (27359169460) is greater than itself. Its abundance is 9278150504

Bases of 18081018956

• Binary: 10000110101101101100111010001001100₂
• Hexadecimal: 0x435B6744C
• Base-36: 8B0YZIK

Squares and roots of 18081018956

• 18081018956 squared (18081018956²) is 326923246487231329936
• 18081018956 cubed (18081018956³) is 5911105416892690088529906266816
• The square root of 18081018956 is 134465.6794724959
• The cube root of 18081018956 is 2624.6675415571

Scales and comparisons

• 18,081,018,956 seconds is equal to 574 years, 47 weeks, 6 days, 1 hour, 15 minutes, 56 seconds.
• To count from 1 to 18,081,018,956 would take you about one thousand, one hundred forty-nine 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 18081018956 cubic inches would be around 218.7 feet tall.

Recreational maths with 18081018956

• 18081018956 backwards is 65981018081
• The number of decimal digits it has is: 11
• The sum of 18081018956's digits is 47
• More coming soon!