145242042767993745118

Names of 145242042767993745118

• Cardinal: 145242042767993745118 can be written as One hundred forty-five quintillion, two hundred forty-two quadrillion, forty-two trillion, seven hundred sixty-seven billion, nine hundred ninety-three million, seven hundred forty-five thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 1.45242042767993745118 × 10²⁰

Factors of 145242042767993745118

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 79021786054404482

Divisors of 145242042767993745118

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 919 1838 79021786054403561 158043572108807122 72621021383996872559 145242042767993745118
• Sum of all divisors σ(n): 218100129510153831120
• Sum of proper divisors (its aliquot sum) s(n): 72858086742160086002
• 145242042767993745118 is a deficient number, because the sum of its proper divisors (72858086742160086002) is less than itself. Its deficiency is 72383956025833659116

Bases of 145242042767993745118

• Binary: 1111101111110100011011001000101111101000110010111000010111011011110₂
• Hexadecimal: 0x7DFA3645F465C2EDE
• Base-36: UNHBB6Y9BUQ5A

Squares and roots of 145242042767993745118

• 145242042767993745118 squared (145242042767993745118²) is 21095250987419724158146094452371548833924
• 145242042767993745118 cubed (145242042767993745118³) is 3063917346116377857838531152184434281603629698603518567783032
• The square root of 145242042767993745118 is 12051640667.0624620445
• The cube root of 145242042767993745118 is 5256509.4496561843

Scales and comparisons

• 145,242,042,767,993,745,118 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 145,242,042,767,993,745,118 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 145242042767993745118 cubic inches would be around 438042.5 feet tall.

Recreational maths with 145242042767993745118

• 145242042767993745118 backwards is 811547399767240242541
• The number of decimal digits it has is: 21
• The sum of 145242042767993745118's digits is 91
• More coming soon!