18243295917

Names of 18243295917

• Cardinal: 18243295917 can be written as Eighteen billion, two hundred forty-three million, two hundred ninety-five thousand, nine hundred seventeen.

Scientific notation

• Scientific notation: 1.8243295917 × 10¹⁰

Factors of 18243295917

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1115

Divisors of 18243295917

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 21 23 33 41 69 77 89 123 161 231 253 267 287 451 483 623 759 861 941 943 979 1353 1771 1869 2047 2823 2829 2937 3157 3649 5313 6141 6587 6601 6853 9471 10351 10373 10947 14329 19761 19803 20559 21643 22517 25543 31053 31119 38581 40139 42987 64929 67551 72457 72611 76629 83749 83927 115743 120417 151501 157619 217371 217833 238073 251247 251781 270067 280973 424391 454503 472857 586243 587489 714219 810201 842919 887363 921239 923197 1273173 1666511 1758729 1762467 1926227 2662089 2763717 2769591 2970737 3433709 4999533 5778681 6211541 6448673 6462379 8912211 9760993 10301127 13483589 18634623 19346019 19387137 21188497 24035963 29282979 37770799 40450767 63565491 68326951 72107889 78975307 113312397 148319479 204980853 236925921 264395593 444958437 552827149 793186779 868728377 1658481447 2606185131 6081098639 18243295917
• Sum of all divisors σ(n): 32815964160
• Sum of proper divisors (its aliquot sum) s(n): 14572668243
• 18243295917 is a deficient number, because the sum of its proper divisors (14572668243) is less than itself. Its deficiency is 3670627674

Bases of 18243295917

• Binary: 10000111111011000101001101010101101₂
• Hexadecimal: 0x43F629AAD
• Base-36: 8DPL57X

Squares and roots of 18243295917

• 18243295917 squared (18243295917²) is 332817845915228870889
• 18243295917 cubed (18243295917³) is 6071694449490029988409813860213
• The square root of 18243295917 is 135067.7456575031
• The cube root of 18243295917 is 2632.4962885711

Scales and comparisons

• 18,243,295,917 seconds is equal to 580 years, 4 weeks, 1 day, 6 hours, 11 minutes, 57 seconds.
• To count from 1 to 18,243,295,917 would take you about one thousand, one hundred sixty 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 18243295917 cubic inches would be around 219.4 feet tall.

Recreational maths with 18243295917

• 18243295917 backwards is 71959234281
• The number of decimal digits it has is: 11
• The sum of 18243295917's digits is 51
• More coming soon!