231438861 is an odd 9-digits composite number following 231438860
and preceding 231438862 . In scientific notation, it is written as 2.31438861 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 154165320 positive integers (up to 231438861) that are relatively prime to 231438861.
231438861 has 8 divisors, whose sum is 257366400
The reverse of 231438861 is 168834132
Previous prime number is 1291
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred thirty-one million four hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
2.31438861 × 10^8
Engineering notation
2.31438861 × 10^6
Prime Factorization
9 × 1291 × 19919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
231438861
Product of the distinct prime numbers
The prime factorization of 231438861 is 9 × 1291 × 19919.
Since it has a total of 3 prime factors.
6 , 7 , 66 , 55 , 546 , 689 , 3757 , 6855 , 61470 , 39027 , 478667 , 74328 , 1455215 , 3522799 , 1450901 , 97072377 , 173065259 , 113852508 , 6080610954 , 1345179540
n×2
462877722
n×3
694316583
n×4
925755444
n×5
1157194305
n÷2
115719430.5
n÷3
77146287
n÷3
57859715.25
n÷5
46287772.2
n2
53563946380977321
n3
1.2396778741078E+25
n4
2.8690963519042E+33
n5
6.6402039178397E+41
2 √n
15213.114769829
3 √n
613.96756381328
4 √n
123.34145600661
5 √n
47.085507602089
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
-231438860
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 231438861 can be divided by 8 positive divisors.
The sum of these divisors (counting 231438861) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110010110111101000001101
3
Ternary
121010111022102200
4
Quaternary
31302313220031
5
Quinary
433222020421
6
Senary
34544312113
8
Octal
1562675015
10
Decimal
231438861
12
Duodecimal
65612639
16
Hexadecimal
dcb7a0d
20
Vigesimal
3c69h31
36
Base36
3tsjd9
md5
913b4cd979037dacaef1541e40bc78c5
sha1
c354e89188f1765ddbb5ae80b147aa5807ac207b
sha256
2be0eb2cdb1f3ce0b36ed3a5651815927b1dd79bfea22474b1e372fd822530d6
sha512
8fc58c7344fc17f9b0132f89b005e18e699c01d96f5c27d0f91ae8a1089be6f43911a3706e8eedecb787e26ecb4e39f114fbcc65ee3e89391172fc0072e17846
ripemd-160
fbebc65685034f56165b040adce0768379da0705
Diameter
462877722
Circumference
1454173250.9456
Area
1.6827610044776E+17
Volume
5.1927505361534E+25
Surface area
6.7310440179102E+17
Circumference
1454173250.9456
Perimeter
925755444
Area
53563946380977321
Diagonal
327303976.08638
Surface area
321383678285863926
Volume
1.2396778741078E+25
Space diagonal
400863866.09787
Perimeter
694316583
Area
2.3193869146437E+16
Altitude
200431933.04894
Surface area
2.3193869146437E+16
Volume
1.4609743854476E+24
Height
109101325.36213