18450878431445

Names of 18450878431445

• Cardinal: 18450878431445 can be written as Eighteen trillion, four hundred fifty billion, eight hundred seventy-eight million, four hundred thirty-one thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 1.8450878431445 × 10¹³

Factors of 18450878431445

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 45

Divisors of 18450878431445

• Number of divisors d(n): 54
• Complete list of divisors:
  1 5 17 23 85 115 289 391 529 1445 1955 2645 4913 6647 8993 24565 33235 44965 83521 112999 152881 417605 564995 764405 1419857 1920983 2598977 7099285 9604915 12994885 24137569 32656711 44182609 120687845 163283555 220913045 410338673 555164087 751104353 2051693365 2775820435 3755521765 6975757441 9437789479 12768774001 34878787205 47188947395 63843870005 160442421143 217069158017 802212105715 1085345790085 3690175686289 18450878431445
• Sum of all divisors σ(n): 24592160888358
• Sum of proper divisors (its aliquot sum) s(n): 6141282456913
• 18450878431445 is a deficient number, because the sum of its proper divisors (6141282456913) is less than itself. Its deficiency is 12309595974532

Bases of 18450878431445

• Binary: 100001100011111101110000011100000000011010101₂
• Hexadecimal: 0x10C7EE0E00D5
• Base-36: 6JG7SMP5H

Squares and roots of 18450878431445

• 18450878431445 squared (18450878431445²) is 340434914891962303564788025
• 18450878431445 cubed (18450878431445³) is 6281323228490921499235545006645919446125
• The square root of 18450878431445 is 4295448.5716214785
• The cube root of 18450878431445 is 26424.4333177833

Scales and comparisons

• 18,450,878,431,445 seconds is equal to 586,680 years, 44 weeks, 5 days, 16 hours, 44 minutes, 5 seconds.
• To count from 1 to 18,450,878,431,445 would take you about one million, four hundred sixty-six thousand, seven hundred two 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 18450878431445 cubic inches would be around 2202 feet tall.

Recreational maths with 18450878431445

• 18450878431445 backwards is 54413487805481
• The number of decimal digits it has is: 14
• The sum of 18450878431445's digits is 62
• More coming soon!