15312961 is an odd 8-digits composite number following 15312960
and preceding 15312962 . In scientific notation, it is written as 1.5312961 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 15303892 positive integers (up to 15312961) that are relatively prime to 15312961.
15312961 has 4 divisors, whose sum is 15322032
The reverse of 15312961 is 16921351
Previous prime number is 2243
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
fifteen million three hundred twelve thousand nine hundred sixty-one
Scientific notation
1.5312961 × 10^7
Engineering notation
1.5312961 × 10^6
Prime Factorization
2243 × 6827
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15312961
Product of the distinct prime numbers
The prime factorization of 15312961 is 2243 × 6827.
Since it has a total of 2 prime factors.
4 , 6 , 7 , 23 , 303 , 913 , 5999 , 1357 , 66239 , 39708 , 660469 , 226056 , 6794285 , 9885204 , 22433663 , 8723925 , 299548650 , 469881449 , 2089886458 , 1023726384
n×2
30625922
n×3
45938883
n×4
61251844
n×5
76564805
n÷2
7656480.5
n÷3
5104320.3333333
n÷3
3828240.25
n÷5
3062592.2
n2
234486774587521
n3
3.5906868342745E+21
n4
5.4984047456459E+28
n5
8.419685743229E+35
2 √n
3913.1778646006
3 √n
248.32458907496
4 √n
62.555398364974
5 √n
27.353432681963
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
-15312960
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 15312961 can be divided by 4 positive divisors.
The sum of these divisors (counting 15312961) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010011010100001000001
3
Ternary
1001210222102201
4
Quaternary
322122201001
5
Quinary
12410003321
6
Senary
1304113201
8
Octal
72324101
10
Decimal
15312961
12
Duodecimal
5165801
16
Hexadecimal
e9a841
20
Vigesimal
4fe281
36
Base36
947k1
md5
aea5975ad4dc4b69c31069c9a6a83d13
sha1
0cac3bd55d1ddce76abde05b1dc50e6169d7b9d8
sha256
aedfffa8da3cae9d84cb42296fe93e4921438d253d7e0c5675a914b9bc1da83e
sha512
93f77828fc0ec91474e1b5c97d94868086ed6dd673c61a3c44c47c3a854578a8cc62ab460c98e59822a90b5bf8574a40e5370707d6b349c137dc9c0e95f8103b
ripemd-160
7c4274b5701f5ff3fc9e25263f4a0cb26eec80df
Diameter
30625922
Circumference
96214171.564614
Area
7.3666192840812E+14
Volume
1.5040633839864E+22
Surface area
2.9466477136325E+15
Circumference
96214171.564614
Perimeter
61251844
Area
234486774587521
Diagonal
21655797.12629
Surface area
1406920647525126
Volume
3.5906868342745E+21
Space diagonal
26522826.466321
Perimeter
45938883
Area
1.0153575182213E+14
Altitude
13261413.23316
Surface area
1.0153575182213E+14
Volume
4.2316650160546E+20
Height
7218599.0420968