1325404728

Names of 1325404728

• Cardinal: 1325404728 can be written as One billion, three hundred twenty-five million, four hundred four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.325404728 × 10⁹

Factors of 1325404728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 360971

Divisors of 1325404728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 102 108 136 153 204 216 306 408 459 612 918 1224 1836 3672 360949 721898 1082847 1443796 2165694 2887592 3248541 4331388 6136133 6497082 8662776 9745623 12272266 12994164 18408399 19491246 24544532 25988328 36816798 38982492 49089064 55225197 73633596 77964984 110450394 147267192 165675591 220900788 331351182 441801576 662702364 1325404728
• Sum of all divisors σ(n): 3898260000
• Sum of proper divisors (its aliquot sum) s(n): 2572855272
• 1325404728 is an abundant number, because the sum of its proper divisors (2572855272) is greater than itself. Its abundance is 1247450544

Bases of 1325404728

• Binary: 1001111000000000001001000111000₂
• Hexadecimal: 0x4F001238
• Base-36: LX40U0

Squares and roots of 1325404728

• 1325404728 squared (1325404728²) is 1756697693004753984
• 1325404728 cubed (1325404728³) is 2328335427975193456870436352
• The square root of 1325404728 is 36406.1083885657
• The cube root of 1325404728 is 1098.4564377823

Scales and comparisons

• 1,325,404,728 seconds is equal to 42 years, 7 weeks, 3 days, 7 hours, 58 minutes, 48 seconds.
• To count from 1 to 1,325,404,728 would take you about 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 1325404728 cubic inches would be around 91.5 feet tall.

Recreational maths with 1325404728

• 1325404728 backwards is 8274045231
• 1325404728 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1325404728's digits is 36
• More coming soon!