15142731 is an odd 8-digits composite number following 15142730
and preceding 15142732 . In scientific notation, it is written as 1.5142731 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 9822240 positive integers (up to 15142731) that are relatively prime to 15142731.
15142731 has 8 divisors, whose sum is 20736144
The reverse of 15142731 is 13724151
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
fifteen million one hundred forty-two thousand seven hundred thirty-one
Scientific notation
1.5142731 × 10^7
Engineering notation
1.5142731 × 10^6
Prime Factorization
3 × 37 × 136421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15142731
Product of the distinct prime numbers
The prime factorization of 15142731 is 3 × 37 × 136421.
Since it has a total of 3 prime factors.
3 , 7 , 47 , 82 , 774 , 929 , 3221 , 9064 , 65021 , 96556 , 864832 , 995700 , 8765978 , 3998571 , 83243794 , 66781742 , 915723063 , 159580356 , 2125958289 , 2371391936
n×2
30285462
n×3
45428193
n×4
60570924
n×5
75713655
n÷2
7571365.5
n÷3
5047577
n÷3
3785682.75
n÷5
3028546.2
n2
229302302138361
n3
3.4722630789619E+21
n4
5.2579545765952E+28
n5
7.96197917636E+35
2 √n
3891.3662125274
3 √n
247.40097252492
4 √n
62.38081606173
5 √n
27.2923443073
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15142730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15142731 can be divided by 8 positive divisors.
The sum of these divisors (counting 15142731) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001110000111101001011
3
Ternary
1001111022220220
4
Quaternary
321300331023
5
Quinary
12334031411
6
Senary
1300321123
8
Octal
71607513
10
Decimal
15142731
12
Duodecimal
50a31a3
16
Hexadecimal
e70f4b
20
Vigesimal
4ecggb
36
Base36
90k7f
md5
98917b6e2d83b48b985c3a7c0b2f6fbc
sha1
d370ce3f84ad77e9d9238c70e2442f26a417588a
sha256
90dc173ca3b0d665e93310375803c7ff9f2f2d237f9a9ca9cc4636de563d041b
sha512
03c3f2eaf380240f9f9179ec2b55d4af5fbb9193f1a9a89bfa30c6b861bf1e0a3cec4c62eed345c78067f38d76f77fd35dc54a31a86c7d60e48d6bc2f2363a01
ripemd-160
fca873810330040a274069bcac37f958ebfb0665
Diameter
30285462
Circumference
95144584.929773
Area
7.203744278491E+14
Volume
1.4544581573597E+22
Surface area
2.8814977113964E+15
Circumference
95144584.929773
Perimeter
60570924
Area
229302302138361
Diagonal
21415055.551568
Surface area
1375813812830166
Volume
3.4722630789619E+21
Space diagonal
26227979.457348
Perimeter
45428193
Area
99290809399038
Altitude
13113989.728674
Surface area
99290809399038
Volume
4.0921012819961E+20
Height
7138351.8505225