231640561 is an odd 9-digits composite number following 231640560
and preceding 231640562 . In scientific notation, it is written as 2.31640561 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 227683248 positive integers (up to 231640561) that are relatively prime to 231640561.
231640561 has 8 divisors, whose sum is 235624320
The reverse of 231640561 is 165046132
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred thirty-one million six hundred forty thousand five hundred sixty-one
Scientific notation
2.31640561 × 10^8
Engineering notation
2.31640561 × 10^6
Prime Factorization
79 × 227 × 12917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
231640561
Product of the distinct prime numbers
The prime factorization of 231640561 is 79 × 227 × 12917.
Since it has a total of 3 prime factors.
3 , 8 , 47 , 83 , 877 , 49 , 1353 , 1919 , 32138 , 47797 , 128129 , 634194 , 2802579 , 4468093 , 87837874 , 12190769 , 545151400 , 574403313 , 5816270488 , 4681053922
n×2
463281122
n×3
694921683
n×4
926562244
n×5
1158202805
n÷2
115820280.5
n÷3
77213520.333333
n÷3
57910140.25
n÷5
46328112.2
n2
53657349500394721
n3
1.2429218540045E+25
n4
2.8791111554075E+33
n5
6.6691892321995E+41
2 √n
15219.742474825
3 √n
614.14587051537
4 √n
123.36832038585
5 √n
47.093711788586
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-231640560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 231640561 can be divided by 8 positive divisors.
The sum of these divisors (counting 231640561) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110011101000110111110001
3
Ternary
121010212120010001
4
Quaternary
31303220313301
5
Quinary
433244444221
6
Senary
34552510001
8
Octal
1563506761
10
Decimal
231640561
12
Duodecimal
656ab301
16
Hexadecimal
dce8df1
20
Vigesimal
3c7f181
36
Base36
3twv01
md5
ae819f55f2a91ab277a91921752c6f4d
sha1
a65dac3f6f61f89793c11a1428ddff826125b1ea
sha256
ee48c223ee2224be4b038978bff95bf57202cffd1b88c4e4d01d8c2f669a8692
sha512
498c11ce1f41cddce1158b211a0a4cfabeadf4c2c7e4faaa5e2b48039c9012e3806f5ab5b3333175d5227bc21246e177c83fdc6e009aa51dcf621d61940394e3
ripemd-160
76078584b19ad931c7c69a9e87b114215d0ba8d8
Diameter
463281122
Circumference
1455440569.422
Area
1.6856953500154E+17
Volume
5.2063388873688E+25
Surface area
6.7427814000616E+17
Circumference
1455440569.422
Perimeter
926562244
Area
53657349500394721
Diagonal
327589222.96191
Surface area
321944097002368326
Volume
1.2429218540045E+25
Space diagonal
401213220.74576
Perimeter
694921683
Area
2.3234313883541E+16
Altitude
200606610.37288
Surface area
2.3234313883541E+16
Volume
1.4647974524192E+24
Height
109196407.65397