18790118748940

Names of 18790118748940

• Cardinal: 18790118748940 can be written as Eighteen trillion, seven hundred ninety billion, one hundred eighteen million, seven hundred forty-eight thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.879011874894 × 10¹³

Factors of 18790118748940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 12201375836

Divisors of 18790118748940

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 12201375811 24402751622 48805503244 61006879055 85409630677 122013758110 134215133921 170819261354 244027516220 268430267842 341638522708 427048153385 536860535684 671075669605 854096306770 939505937447 1342151339210 1708192613540 1879011874894 2684302678420 3758023749788 4697529687235 9395059374470 18790118748940
• Sum of all divisors σ(n): 49195947273984
• Sum of proper divisors (its aliquot sum) s(n): 30405828525044
• 18790118748940 is an abundant number, because the sum of its proper divisors (30405828525044) is greater than itself. Its abundance is 11615709776104

Bases of 18790118748940

• Binary: 100010001011011101010010110100111001100001100₂
• Hexadecimal: 0x1116EA5A730C
• Base-36: 6NS27K1E4

Squares and roots of 18790118748940

• 18790118748940 squared (18790118748940²) is 353068562599266510751123600
• 18790118748940 cubed (18790118748940³) is 6634200217757773723556541638531308984000
• The square root of 18790118748940 is 4334757.0576607865
• The cube root of 18790118748940 is 26585.3985237743

Scales and comparisons

• 18,790,118,748,940 seconds is equal to 597,467 years, 34 weeks, 6 hours, 15 minutes, 40 seconds.
• To count from 1 to 18,790,118,748,940 would take you about one million, four hundred ninety-three thousand, six hundred sixty-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 18790118748940 cubic inches would be around 2215.4 feet tall.

Recreational maths with 18790118748940

• 18790118748940 backwards is 04984781109781
• The number of decimal digits it has is: 14
• The sum of 18790118748940's digits is 67
• More coming soon!