15396981 is an odd 8-digits composite number following 15396980
and preceding 15396982 . In scientific notation, it is written as 1.5396981 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 10264652 positive integers (up to 15396981) that are relatively prime to 15396981.
15396981 has 4 divisors, whose sum is 20529312
The reverse of 15396981 is 18969351
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
fifteen million three hundred ninety-six thousand nine hundred eighty-one
Scientific notation
1.5396981 × 10^7
Engineering notation
1.5396981 × 10^6
Prime Factorization
3 × 5132327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15396981
Product of the distinct prime numbers
The prime factorization of 15396981 is 3 × 5132327.
Since it has a total of 2 prime factors.
3 , 10 , 35 , 38 , 546 , 720 , 5916 , 8770 , 83554 , 14966 , 621463 , 37807 , 3368898 , 9940494 , 98325311 , 44807668 , 935233207 , 926463223 , 4236274535 , 2273064458
n×2
30793962
n×3
46190943
n×4
61587924
n×5
76984905
n÷2
7698490.5
n÷3
5132327
n÷3
3849245.25
n÷5
3079396.2
n2
237067023914361
n3
3.650116462936E+21
n4
5.6200773827612E+28
n5
8.6532224680904E+35
2 √n
3923.8986989982
3 √n
248.77793462534
4 √n
62.641030475226
5 √n
27.383383883719
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
-15396980
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 15396981 can be divided by 4 positive divisors.
The sum of these divisors (counting 15396981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010101111000001110101
3
Ternary
1001222020200120
4
Quaternary
322233001311
5
Quinary
12420200411
6
Senary
1310002153
8
Octal
72570165
10
Decimal
15396981
12
Duodecimal
51a6359
16
Hexadecimal
eaf075
20
Vigesimal
4g4c91
36
Base36
960dx
md5
68a3fa5319eced4055a04b98ce87b7e2
sha1
fb9948e2cbc78a2199bd4f6aa7b01741291472e8
sha256
5968c0d312f7fe864e45cbb6fb9ab76896d8810f79afdc6fab432955d2f56730
sha512
ef34d4ca2fec40acbd84abf206c1c505f2868eef2cf778974425c0b3f9a01b575b565b2c87ebe4ddbea2e8dbb793cb629be09cafcf733a760574a005f46f972d
ripemd-160
1d55a11e96a833e963125b0252bc77b5a0ab0907
Diameter
30793962
Circumference
96742084.794123
Area
7.4476802073775E+14
Volume
1.5289572086276E+22
Surface area
2.979072082951E+15
Circumference
96742084.794123
Perimeter
61587924
Area
237067023914361
Diagonal
21774619.349801
Surface area
1422402143486166
Volume
3.650116462936E+21
Space diagonal
26668353.375173
Perimeter
46190943
Area
1.026530325547E+14
Altitude
13334176.687586
Surface area
1.026530325547E+14
Volume
4.3017035051045E+20
Height
7258206.4499336