145742390622

Names of 145742390622

• Cardinal: 145742390622 can be written as One hundred forty-five billion, seven hundred forty-two million, three hundred ninety thousand, six hundred twenty-two.

Scientific notation

• Scientific notation: 1.45742390622 × 10¹¹

Factors of 145742390622

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 93066

Divisors of 145742390622

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 19 38 57 114 171 342 4831 9662 14493 28986 43479 86958 88211 91789 176422 183578 264633 275367 529266 550734 793899 826101 1587798 1652202 1676009 3352018 5028027 10056054 15084081 30168162 426147341 852294682 1278442023 2556884046 3835326069 7670652138 8096799479 16193598958 24290398437 48580796874 72871195311 145742390622
• Sum of all divisors σ(n): 332467499520
• Sum of proper divisors (its aliquot sum) s(n): 186725108898
• 145742390622 is an abundant number, because the sum of its proper divisors (186725108898) is greater than itself. Its abundance is 40982718276

Bases of 145742390622

• Binary: 10000111101110111011000110010101011110₂
• Hexadecimal: 0x21EEEC655E
• Base-36: 1UYB98BI

Squares and roots of 145742390622

• 145742390622 squared (145742390622²) is 21240844424215633546884
• 145742390622 cubed (145742390622³) is 3095691445215165540349175278921848
• The square root of 145742390622 is 381762.2173840675
• The cube root of 145742390622 is 5262.5386241145

Scales and comparisons

• 145,742,390,622 seconds is equal to 4,634 years, 8 weeks, 1 day, 5 hours, 23 minutes, 42 seconds.
• To count from 1 to 145,742,390,622 would take you about nine thousand, two hundred sixty-eight 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 145742390622 cubic inches would be around 438.5 feet tall.

Recreational maths with 145742390622

• 145742390622 backwards is 226093247541
• The number of decimal digits it has is: 12
• The sum of 145742390622's digits is 45
• More coming soon!