155428013079

Names of 155428013079

• Cardinal: 155428013079 can be written as One hundred fifty-five billion, four hundred twenty-eight million, thirteen thousand and seventy-nine.

Scientific notation

• Scientific notation: 1.55428013079 × 10¹¹

Factors of 155428013079

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6732

Divisors of 155428013079

• Number of divisors d(n): 56
• Complete list of divisors:
  1 3 9 19 27 57 81 171 243 513 729 1539 3169 3541 4617 9507 10623 13851 28521 31869 60211 67279 85563 95607 180633 201837 256689 286821 541899 605511 770067 860463 1625697 1816533 2310201 2581389 4877091 5449599 11221429 14631273 16348797 33664287 43893819 49046391 100992861 213207151 302978583 639621453 908935749 1918864359 2726807247 5756593077 8180421741 17269779231 51809337693 155428013079
• Sum of all divisors σ(n): 245447140400
• Sum of proper divisors (its aliquot sum) s(n): 90019127321
• 155428013079 is a deficient number, because the sum of its proper divisors (90019127321) is less than itself. Its deficiency is 65408885758

Bases of 155428013079

• Binary: 10010000110000001110110100010000010111₂
• Hexadecimal: 0x24303B4417
• Base-36: 1ZEHTQFR

Squares and roots of 155428013079

• 155428013079 squared (155428013079²) is 24157867249685795060241
• 155428013079 cubed (155428013079³) is 3754809306844909513263651740892039
• The square root of 155428013079 is 394243.5961166649
• The cube root of 155428013079 is 5376.6252228067

Scales and comparisons

• 155,428,013,079 seconds is equal to 4,942 years, 6 weeks, 5 days, 8 hours, 4 minutes, 39 seconds.
• To count from 1 to 155,428,013,079 would take you about nine thousand, eight hundred eighty-four 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 155428013079 cubic inches would be around 448.1 feet tall.

Recreational maths with 155428013079

• 155428013079 backwards is 970310824551
• The number of decimal digits it has is: 12
• The sum of 155428013079's digits is 45
• More coming soon!