18157228256040

Names of 18157228256040

• Cardinal: 18157228256040 can be written as Eighteen trillion, one hundred fifty-seven billion, two hundred twenty-eight million, two hundred fifty-six thousand and forty.

Scientific notation

• Scientific notation: 1.815722825604 × 10¹³

Factors of 18157228256040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2131130158

Divisors of 18157228256040

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 71 120 142 213 284 355 426 568 710 852 1065 1420 1704 2130 2840 4260 8520 2131130077 4262260154 6393390231 8524520308 10655650385 12786780462 17049040616 21311300770 25573560924 31966951155 42622601540 51147121848 63933902310 85245203080 127867804620 151310235467 255735609240 302620470934 453930706401 605240941868 756551177335 907861412802 1210481883736 1513102354670 1815722825604 2269653532005 3026204709340 3631445651208 4539307064010 6052409418680 9078614128020 18157228256040
• Sum of all divisors σ(n): 55238891621760
• Sum of proper divisors (its aliquot sum) s(n): 37081663365720
• 18157228256040 is an abundant number, because the sum of its proper divisors (37081663365720) is greater than itself. Its abundance is 18924435109680

Bases of 18157228256040

• Binary: 100001000001110001111001000111110101100101000₂
• Hexadecimal: 0x10838F23EB28
• Base-36: 6FPBCWBOO

Squares and roots of 18157228256040

• 18157228256040 squared (18157228256040²) is 329684937941937379796481600
• 18157228256040 cubed (18157228256040³) is 5986164670790139277340956732095948864000
• The square root of 18157228256040 is 4261129.9271484319
• The cube root of 18157228256040 is 26283.4992448647

Scales and comparisons

• 18,157,228,256,040 seconds is equal to 577,343 years, 36 weeks, 19 hours, 34 minutes.
• To count from 1 to 18,157,228,256,040 would take you about one million, four hundred forty-three thousand, three hundred fifty-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 18157228256040 cubic inches would be around 2190.3 feet tall.

Recreational maths with 18157228256040

• 18157228256040 backwards is 04065282275181
• The number of decimal digits it has is: 14
• The sum of 18157228256040's digits is 51
• More coming soon!