145744155388

Names of 145744155388

• Cardinal: 145744155388 can be written as One hundred forty-five billion, seven hundred forty-four million, one hundred fifty-five thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 1.45744155388 × 10¹¹

Factors of 145744155388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2423

Divisors of 145744155388

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 13 26 52 169 338 676 787 1574 1621 2197 3148 3242 4394 6484 8788 10231 20462 21073 28561 40924 42146 57122 84292 114244 133003 266006 273949 532012 547898 1095796 1275727 1729039 2551454 3458078 3561337 5102908 6916156 7122674 14245348 16584451 22477507 33168902 44955014 46297381 66337804 89910028 92594762 185189524 215597863 431195726 862391452 2802772219 5605544438 11211088876 36436038847 72872077694 145744155388
• Sum of all divisors σ(n): 276827641832
• Sum of proper divisors (its aliquot sum) s(n): 131083486444
• 145744155388 is a deficient number, because the sum of its proper divisors (131083486444) is less than itself. Its deficiency is 14660668944

Bases of 145744155388

• Binary: 10000111101111000001110101001011111100₂
• Hexadecimal: 0x21EF0752FC
• Base-36: 1UYCB20S

Squares and roots of 145744155388

• 145744155388 squared (145744155388²) is 21241358829761489430544
• 145744155388 cubed (145744155388³) is 3095803901937024354543524369371072
• The square root of 145744155388 is 381764.5287189473
• The cube root of 145744155388 is 5262.5598650447

Scales and comparisons

• 145,744,155,388 seconds is equal to 4,634 years, 11 weeks, 15 hours, 36 minutes, 28 seconds.
• To count from 1 to 145,744,155,388 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 145744155388 cubic inches would be around 438.5 feet tall.

Recreational maths with 145744155388

• 145744155388 backwards is 883551447541
• The number of decimal digits it has is: 12
• The sum of 145744155388's digits is 55
• More coming soon!