18193657457790

Names of 18193657457790

• Cardinal: 18193657457790 can be written as Eighteen trillion, one hundred ninety-three billion, six hundred fifty-seven million, four hundred fifty-seven thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.819365745779 × 10¹³

Factors of 18193657457790

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 786582950

Divisors of 18193657457790

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 257 514 771 1285 1542 2313 2570 3855 4626 7710 11565 23130 786582683 1573165366 2359748049 3932913415 4719496098 7079244147 7865826830 11798740245 14158488294 23597480490 35396220735 70792441470 202151749531 404303499062 606455248593 1010758747655 1212910497186 1819365745779 2021517495310 3032276242965 3638731491558 6064552485930 9096828728895 18193657457790
• Sum of all divisors σ(n): 47487569798448
• Sum of proper divisors (its aliquot sum) s(n): 29293912340658
• 18193657457790 is an abundant number, because the sum of its proper divisors (29293912340658) is greater than itself. Its abundance is 11100254882868

Bases of 18193657457790

• Binary: 100001000110000001010011111010110110001111110₂
• Hexadecimal: 0x108C0A7D6C7E
• Base-36: 6G61TWJNI

Squares and roots of 18193657457790

• 18193657457790 squared (18193657457790²) is 331009171691397685631684100
• 18193657457790 cubed (18193657457790³) is 6022267485140088051581635353082364139000
• The square root of 18193657457790 is 4265402.3793529727
• The cube root of 18193657457790 is 26301.0652017833

Scales and comparisons

• 18,193,657,457,790 seconds is equal to 578,502 years, 1 week, 4 days, 2 hours, 16 minutes, 30 seconds.
• To count from 1 to 18,193,657,457,790 would take you about one million, four hundred forty-six thousand, two hundred fifty-five 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 18193657457790 cubic inches would be around 2191.8 feet tall.

Recreational maths with 18193657457790

• 18193657457790 backwards is 09775475639181
• The number of decimal digits it has is: 14
• The sum of 18193657457790's digits is 72
• More coming soon!