145425540

Names of 145425540

• Cardinal: 145425540 can be written as One hundred forty-five million, four hundred twenty-five thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.4542554 × 10⁸

Factors of 145425540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5099

Divisors of 145425540

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 37 39 52 60 65 74 78 111 130 148 156 185 195 222 260 370 390 444 481 555 740 780 962 1110 1443 1924 2220 2405 2886 4810 5039 5772 7215 9620 10078 14430 15117 20156 25195 28860 30234 50390 60468 65507 75585 100780 131014 151170 186443 196521 262028 302340 327535 372886 393042 559329 655070 745772 786084 932215 982605 1118658 1310140 1864430 1965210 2237316 2423759 2796645 3728860 3930420 4847518 5593290 7271277 9695036 11186580 12118795 14542554 24237590 29085108 36356385 48475180 72712770 145425540
• Sum of all divisors σ(n): 450455040
• Sum of proper divisors (its aliquot sum) s(n): 305029500
• 145425540 is an abundant number, because the sum of its proper divisors (305029500) is greater than itself. Its abundance is 159603960

Bases of 145425540

• Binary: 1000101010110000010010000100₂
• Hexadecimal: 0x8AB0484
• Base-36: 2EKZ2C

Squares and roots of 145425540

• 145425540 squared (145425540²) is 21148587684291600
• 145425540 cubed (145425540³) is 3075544784225455447464000
• The square root of 145425540 is 12059.2512205361
• The cube root of 145425540 is 525.8722190535

Scales and comparisons

• 145,425,540 seconds is equal to 4 years, 32 weeks, 3 days, 3 hours, 59 minutes.
• To count from 1 to 145,425,540 would take you about six 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 145425540 cubic inches would be around 43.8 feet tall.

Recreational maths with 145425540

• 145425540 backwards is 045524541
• 145425540 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145425540's digits is 30
• More coming soon!