18353549907

Names of 18353549907

• Cardinal: 18353549907 can be written as Eighteen billion, three hundred fifty-three million, five hundred forty-nine thousand, nine hundred seven.

Scientific notation

• Scientific notation: 1.8353549907 × 10¹⁰

Factors of 18353549907

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 179

Divisors of 18353549907

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 11 21 31 33 49 63 77 93 99 127 147 217 231 279 341 381 441 539 651 693 889 961 1023 1143 1397 1519 1617 1953 2387 2667 2883 3069 3937 4191 4557 4851 6223 6727 7161 8001 8649 9779 10571 11811 12573 13671 16709 18669 20181 21483 27559 29337 29791 31713 35433 43307 47089 50127 56007 60543 68453 73997 82677 88011 89373 95139 122047 129921 141267 150381 192913 205359 208537 221991 248031 268119 303149 327701 366141 389763 423801 517979 578739 616077 625611 665973 854329 909447 983103 1098423 1342517 1459759 1553937 1736217 1876833 2122043 2293907 2562987 2728341 2949309 3783457 4027551 4379277 4661811 5980303 6366129 6881721 7688961 9397619 11350371 12082653 13137831 16057349 17940909 19098387 20645163 26484199 28192857 34051113 41618027 48172047 53822727 65783333 79452597 84578571 124854081 144516141 185389393 197349999 238357791 291326189 374562243 556168179 592049997 873978567 1668504537 2039283323 2621935701 6117849969 18353549907
• Sum of all divisors σ(n): 35037609984
• Sum of proper divisors (its aliquot sum) s(n): 16684060077
• 18353549907 is a deficient number, because the sum of its proper divisors (16684060077) is less than itself. Its deficiency is 1669489830

Bases of 18353549907

• Binary: 10001000101111101001111001001010011₂
• Hexadecimal: 0x445F4F253
• Base-36: 8FJ89QR

Squares and roots of 18353549907

• 18353549907 squared (18353549907²) is 336852794188739708649
• 18353549907 cubed (18353549907³) is 6182444569455433820122061045643
• The square root of 18353549907 is 135475.2741536255
• The cube root of 18353549907 is 2637.7888350813

Scales and comparisons

• 18,353,549,907 seconds is equal to 583 years, 30 weeks, 3 days, 8 hours, 18 minutes, 27 seconds.
• To count from 1 to 18,353,549,907 would take you about one thousand, one hundred sixty-seven 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 18353549907 cubic inches would be around 219.8 feet tall.

Recreational maths with 18353549907

• 18353549907 backwards is 70994535381
• The number of decimal digits it has is: 11
• The sum of 18353549907's digits is 54
• More coming soon!