72145224725

Names of 72145224725

• Cardinal: 72145224725 can be written as Seventy-two billion, one hundred forty-five million, two hundred twenty-four thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 7.2145224725 × 10¹⁰

Factors of 72145224725

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 198

Divisors of 72145224725

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 7 25 35 49 83 103 175 245 415 515 581 721 1225 2075 2575 2905 3605 4067 5047 6889 8549 14525 18025 20335 25235 34445 42745 48223 59843 101675 126175 172225 213725 241115 299215 337561 418901 571787 709567 1205575 1496075 1687805 2094505 2858935 3547835 4002509 4966969 8439025 10472525 14294675 17739175 20012545 24834845 28017563 34768783 58894061 100062725 124174225 140087815 173843915 294470305 412258427 700439075 869219575 1472351525 2061292135 2885808989 10306460675 14429044945 72145224725
• Sum of all divisors σ(n): 106357567680
• Sum of proper divisors (its aliquot sum) s(n): 34212342955
• 72145224725 is a deficient number, because the sum of its proper divisors (34212342955) is less than itself. Its deficiency is 37932881770

Bases of 72145224725

• Binary: 1000011001100001100001100010000010101₂
• Hexadecimal: 0x10CC30C415
• Base-36: X55EJO5

Squares and roots of 72145224725

• 72145224725 squared (72145224725²) is 5204933450620751325625
• 72145224725 cubed (72145224725³) is 375511093473703795135557276078125
• The square root of 72145224725 is 268598.6312790889
• The cube root of 72145224725 is 4162.9628010043

Scales and comparisons

• 72,145,224,725 seconds is equal to 2,293 years, 51 weeks, 5 days, 4 hours, 12 minutes, 5 seconds.
• To count from 1 to 72,145,224,725 would take you about four thousand, five hundred eighty-seven 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 72145224725 cubic inches would be around 346.9 feet tall.

Recreational maths with 72145224725

• 72145224725 backwards is 52742254127
• The number of decimal digits it has is: 11
• The sum of 72145224725's digits is 41
• More coming soon!