15661372 is an even 8-digits composite number following 15661371
and preceding 15661373 . In scientific notation, it is written as 1.5661372 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 7830684 positive integers (up to 15661372) that are relatively prime to 15661372.
15661372 has 6 divisors, whose sum is 27407408
The reverse of 15661372 is 27316651
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
fifteen million six hundred sixty-one thousand three hundred seventy-two
Scientific notation
1.5661372 × 10^7
Engineering notation
1.5661372 × 10^6
Prime Factorization
2 × 2 × 3915343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7830686
Product of the distinct prime numbers
The prime factorization of 15661372 is 2 × 2 × 3915343.
Since it has a total of 3 prime factors.
7 , 1 , 22 , 27 , 342 , 100 , 8766 , 7061 , 53143 , 6096 , 684829 , 632710 , 4393472 , 4364817 , 90711504 , 20509579 , 452680430 , 675580349 , 9695013687 , 3275248628
n×2
31322744
n×3
46984116
n×4
62645488
n×5
78306860
n÷2
7830686
n÷3
5220457.3333333
n÷3
3915343
n÷5
3132274.4
n2
245278572922384
n3
3.8413989741666E+21
n4
6.0161578334841E+28
n5
9.4221285840909E+35
2 √n
3957.4451354378
3 √n
250.19383367518
4 √n
62.908227883463
5 √n
27.476787883842
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15661371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15661372 can be divided by 6 positive divisors.
The sum of these divisors (counting 15661372) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111011101111100100111100
3
Ternary
1002110200100211
4
Quaternary
323233210330
5
Quinary
13002130442
6
Senary
1315402204
8
Octal
73574474
10
Decimal
15661372
12
Duodecimal
52b3364
16
Hexadecimal
eef93c
20
Vigesimal
4hhd8c
36
Base36
9boe4
md5
c074f9f51bb8024133af0b8eea2f8880
sha1
2024ae41c84949c8cac77771a072b8593077f5b9
sha256
afeabd6f333221e22d4c3e37ac3d288b287a5c94ac20c69e4c20a650faf2187d
sha512
aea9dc967ac26d4cd86cdba99fc437d30814bb5d85cb4eea20d74a114404dd1efa925f2bb9d445b54317108587b78428cd205e829bcc20dd4f630c3943d25437
ripemd-160
79752245829cd4601956a7736dec5512eaa45c8b
Diameter
31322744
Circumference
98403302.440674
Area
7.7056536277595E+14
Volume
1.6090814395665E+22
Surface area
3.0822614511038E+15
Circumference
98403302.440674
Perimeter
62645488
Area
245278572922384
Diagonal
22148524.68777
Surface area
1471671437534304
Volume
3.8413989741666E+21
Space diagonal
27126292.020237
Perimeter
46984116
Area
1.0620873757739E+14
Altitude
13563146.010118
Surface area
1.0620873757739E+14
Volume
4.5271321064604E+20
Height
7382841.5625901