15690121 is an odd 8-digits composite number following 15690120
and preceding 15690122 . In scientific notation, it is written as 1.5690121 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 15679872 positive integers (up to 15690121) that are relatively prime to 15690121.
15690121 has 4 divisors, whose sum is 15700372
The reverse of 15690121 is 12109651
Previous prime number is 1873
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
fifteen million six hundred ninety thousand one hundred twenty-one
Scientific notation
1.5690121 × 10^7
Engineering notation
1.5690121 × 10^6
Prime Factorization
1873 × 8377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15690121
Product of the distinct prime numbers
The prime factorization of 15690121 is 1873 × 8377.
Since it has a total of 2 prime factors.
8 , 5 , 24 , 52 , 710 , 512 , 4879 , 3792 , 83033 , 75400 , 338498 , 857975 , 9668361 , 9445586 , 27628680 , 10718559 , 418286145 , 684512506 , 2133395409 , 8778561890
n×2
31380242
n×3
47070363
n×4
62760484
n×5
78450605
n÷2
7845060.5
n÷3
5230040.3333333
n÷3
3922530.25
n÷5
3138024.2
n2
246179896994641
n3
3.8625923716135E+21
n4
6.0604541684292E+28
n5
9.5089259217609E+35
2 √n
3961.0757377258
3 √n
250.3468306116
4 √n
62.937077607129
5 √n
27.486868109184
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15690120
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15690121 can be divided by 4 positive divisors.
The sum of these divisors (counting 15690121) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011110110100110001001
3
Ternary
1002112010210121
4
Quaternary
323312212021
5
Quinary
13004040441
6
Senary
1320143241
8
Octal
73664611
10
Decimal
15690121
12
Duodecimal
5307b21
16
Hexadecimal
ef6989
20
Vigesimal
4i1561
36
Base36
9cakp
md5
d90896d4edcd63823642f967af03faff
sha1
238a0964864df02d0574de4a01ceb8e64cd47e7e
sha256
0cc5af91de09ec18fe799f100a3b0cfbc0b1a62c00d8b4239c180ea51ba267b1
sha512
ae405b11e22bfed039754689cac48d779665112cdf451327336228e1ac8f576236800b738324c425fcb636d59085ab986ea2214ecab6ceb743a3324b52028c3d
ripemd-160
885d66e4633667367ceb1a84b7c39c6b75a53193
Diameter
31380242
Circumference
98583937.73507
Area
7.7339695585986E+14
Volume
1.6179589091297E+22
Surface area
3.0935878234394E+15
Circumference
98583937.73507
Perimeter
62760484
Area
246179896994641
Diagonal
22189181.913475
Surface area
1477079381967846
Volume
3.8625923716135E+21
Space diagonal
27176086.748903
Perimeter
47070363
Area
1.065990223492E+14
Altitude
13588043.374452
Surface area
1.065990223492E+14
Volume
4.5521087648788E+20
Height
7396393.9711583