231156721 is an odd 9-digits prime number following 231156720
and preceding 231156722 . In scientific notation, it is written as 2.31156721 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 231156720 positive integers (up to 231156721) that are relatively prime to 231156721.
231156721 has 2 divisors, whose sum is 231156722
The reverse of 231156721 is 127651132
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred thirty-one million one hundred fifty-six thousand seven hundred twenty-one
Scientific notation
2.31156721 × 10^8
Engineering notation
2.31156721 × 10^6
Prime Factorization
231156721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
231156721
Product of the distinct prime numbers
The prime factorization of 231156721 is 231156721.
Since it has a total of 1 prime factors.
4 , 4 , 94 , 42 , 950 , 263 , 1610 , 6338 , 99285 , 87169 , 519829 , 158036 , 4411169 , 3856758 , 45234085 , 42028944 , 111486639 , 936824450 , 2662633071 , 835437349
n×2
462313442
n×3
693470163
n×4
924626884
n×5
1155783605
n÷2
115578360.5
n÷3
77052240.333333
n÷3
57789180.25
n÷5
46231344.2
n2
53433429663471841
n3
1.2351496392792E+25
n4
2.8551314056012E+33
n5
6.5998281374289E+41
2 √n
15203.839021773
3 √n
613.71797270251
4 √n
123.30384836563
5 √n
47.074021901036
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
231156722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
115578361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
15203.83905466
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999913479
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 231156721 can be divided by 2 positive divisors.
The sum of these divisors (counting 231156721) is 231156722, the average is 115578361.
Base
System
Value
2
Binary
1101110001110010101111110001
3
Ternary
121002221222102001
4
Quaternary
31301302233301
5
Quinary
433134003341
6
Senary
34534254001
8
Octal
1561625761
10
Decimal
231156721
12
Duodecimal
654b7301
16
Hexadecimal
dc72bf1
20
Vigesimal
3c4ebg1
36
Base36
3tmho1
md5
aa5606891c2f464c19f83b4c9bfc604d
sha1
412228e257a143e087183f76427ed6fc477cd27e
sha256
22f588e3101e6c5ec127b4e967ceab65124d3b92fa29533852f201486cb436a0
sha512
2a6a8d0a517187b0e60e196db27efd0c95f7f28332a2e129a0dd5248894256ea5d804ef61002c3140446f01d08e63c992bdc5dbe6f245492d1ab241dd0f13d5b
ripemd-160
7b17d6e214d83ea5fd3c4ae5b30d7df5c6eaf3bf
Diameter
462313442
Circumference
1452400513.043
Area
1.6786607008687E+17
Volume
5.1737827104583E+25
Surface area
6.7146428034748E+17
Circumference
1452400513.043
Perimeter
924626884
Area
53433429663471841
Diagonal
326904969.87189
Surface area
320600577980831046
Volume
1.2351496392792E+25
Space diagonal
400375185.28302
Perimeter
693470163
Area
2.3137353749948E+16
Altitude
200187592.64151
Surface area
2.3137353749948E+16
Volume
1.4556378095241E+24
Height
108968323.29063