231640891 is an odd 9-digits composite number following 231640890
and preceding 231640892 . In scientific notation, it is written as 2.31640891 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 230972992 positive integers (up to 231640891) that are relatively prime to 231640891.
231640891 has 4 divisors, whose sum is 232308792
The reverse of 231640891 is 198046132
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred thirty-one million six hundred forty thousand eight hundred ninety-one
Scientific notation
2.31640891 × 10^8
Engineering notation
2.31640891 × 10^6
Prime Factorization
347 × 667553
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
231640891
Product of the distinct prime numbers
The prime factorization of 231640891 is 347 × 667553.
Since it has a total of 2 prime factors.
7 , 1 , 98 , 14 , 290 , 109 , 3069 , 1427 , 50361 , 28731 , 272592 , 565578 , 9555411 , 288577 , 88069834 , 18240702 , 170982591 , 264405165 , 6107005709 , 9217770281
n×2
463281782
n×3
694922673
n×4
926563564
n×5
1158204455
n÷2
115820445.5
n÷3
77213630.333333
n÷3
57910222.75
n÷5
46328178.2
n2
53657502383273881
n3
1.2429271660896E+25
n4
2.879127562011E+33
n5
6.669236737669E+41
2 √n
15219.753316004
3 √n
614.14616215693
4 √n
123.3683643241
5 √n
47.093725206716
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
-231640890
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 231640891 can be divided by 4 positive divisors.
The sum of these divisors (counting 231640891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110011101000111100111011
3
Ternary
121010212120120021
4
Quaternary
31303220330323
5
Quinary
433300002031
6
Senary
34552511311
8
Octal
1563507473
10
Decimal
231640891
12
Duodecimal
656ab537
16
Hexadecimal
dce8f3b
20
Vigesimal
3c7f24b
36
Base36
3twv97
md5
a09b6335c4bf9649c05fb739e5440c7c
sha1
220e27fe7f64c212397190a2f2f0ab93779f1f4d
sha256
4f17c2f5eb6f906c7076347d15386ee725433424f7a4f98794fbbfb33a74018e
sha512
8ac1131c16f926e0580de8a9e62338cd7610845f0b9ef2f44b85418742452f6ee1f3c356ab9b2161b6337c0dda6036f37e680a72f4f9b912abe82b930ba6b5a1
ripemd-160
3badbc89efda1458c02549880a25cb1cc7d8f00c
Diameter
463281782
Circumference
1455442642.8732
Area
1.6857001529727E+17
Volume
5.2063611385791E+25
Surface area
6.7428006118908E+17
Circumference
1455442642.8732
Perimeter
926563564
Area
53657502383273881
Diagonal
327589689.65239
Surface area
321945014299643286
Volume
1.2429271660896E+25
Space diagonal
401213792.32252
Perimeter
694922673
Area
2.323438008377E+16
Altitude
200606896.16126
Surface area
2.323438008377E+16
Volume
1.4648037127716E+24
Height
109196563.21746