18490116747390

Names of 18490116747390

• Cardinal: 18490116747390 can be written as Eighteen trillion, four hundred ninety billion, one hundred sixteen million, seven hundred forty-seven thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.849011674739 × 10¹³

Factors of 18490116747390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 37284065

Divisors of 18490116747390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 61 122 183 271 305 366 542 610 813 915 1355 1626 1830 2710 4065 8130 16531 33062 49593 82655 99186 165310 247965 495930 37283723 74567446 111851169 186418615 223702338 372837230 559255845 1118511690 2274307103 4548614206 6822921309 10103888933 11371535515 13645842618 20207777866 22743071030 30311666799 34114606545 50519444665 60623333598 68229213090 101038889330 151558333995 303116667990 616337224913 1232674449826 1849011674739 3081686124565 3698023349478 6163372249130 9245058373695 18490116747390
• Sum of all divisors σ(n): 45270195950592
• Sum of proper divisors (its aliquot sum) s(n): 26780079203202
• 18490116747390 is an abundant number, because the sum of its proper divisors (26780079203202) is greater than itself. Its abundance is 8289962455812

Bases of 18490116747390

• Binary: 100001101000100010000110101110011000001111110₂
• Hexadecimal: 0x10D110D7307E
• Base-36: 6JY8Q3ZI6

Squares and roots of 18490116747390

• 18490116747390 squared (18490116747390²) is 341884417332112153071812100
• 18490116747390 cubed (18490116747390³) is 6321482790584158905154864143545245419000
• The square root of 18490116747390 is 4300013.5752564781
• The cube root of 18490116747390 is 26443.1517784951

Scales and comparisons

• 18,490,116,747,390 seconds is equal to 587,928 years, 26 weeks, 6 days, 20 hours, 56 minutes, 30 seconds.
• To count from 1 to 18,490,116,747,390 would take you about one million, four hundred sixty-nine thousand, eight hundred twenty-one 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 18490116747390 cubic inches would be around 2203.6 feet tall.

Recreational maths with 18490116747390

• 18490116747390 backwards is 09374761109481
• The number of decimal digits it has is: 14
• The sum of 18490116747390's digits is 60
• More coming soon!