231640387 is an odd 9-digits composite number following 231640386
and preceding 231640388 . In scientific notation, it is written as 2.31640387 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 204890400 positive integers (up to 231640387) that are relatively prime to 231640387.
231640387 has 8 divisors, whose sum is 259528752
The reverse of 231640387 is 783046132
Previous prime number is 11
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 three hundred eighty-seven
Scientific notation
2.31640387 × 10^8
Engineering notation
2.31640387 × 10^6
Prime Factorization
37 × 11 × 569141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
231640387
Product of the distinct prime numbers
The prime factorization of 231640387 is 37 × 11 × 569141.
Since it has a total of 3 prime factors.
2 , 10 , 87 , 31 , 597 , 161 , 4986 , 4077 , 55250 , 95017 , 146293 , 210922 , 8584314 , 5885654 , 28568488 , 28877300 , 653669662 , 218689933 , 5218782331 , 7272331481
n×2
463280774
n×3
694921161
n×4
926561548
n×5
1158201935
n÷2
115820193.5
n÷3
77213462.333333
n÷3
57910096.75
n÷5
46328077.4
n2
53657268889509769
n3
1.2429190530929E+25
n4
2.8791025046812E+33
n5
6.6691641839701E+41
2 √n
15219.736758565
3 √n
614.14571674062
4 √n
123.36829721839
5 √n
47.093704713565
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
-231640386
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 231640387 can be divided by 8 positive divisors.
The sum of these divisors (counting 231640387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110011101000110101000011
3
Ternary
121010212112212121
4
Quaternary
31303220311003
5
Quinary
433244443022
6
Senary
34552505111
8
Octal
1563506503
10
Decimal
231640387
12
Duodecimal
656ab197
16
Hexadecimal
dce8d43
20
Vigesimal
3c7f0j7
36
Base36
3twuv7
md5
951d51599d08405dddccf21c86928791
sha1
b52efbc5aac77d74c69e55a2a2325adcf83da260
sha256
3a00c63199b163d91f56569b600b75a328ca2a16f8471cfc90112ec85121b18d
sha512
ccffc307bc89bd20c20762239c063e7aba64983a896a80920a79440d6ec82cb67a3285061dd9d0ca3a3cb8c3aff340a10784dea3fd123a0e85a5348bbdbeb007
ripemd-160
4a2ddcd1a3ea7bddea7fe82106a0c80b39108bac
Diameter
463280774
Circumference
1455439476.1478
Area
1.6856928175498E+17
Volume
5.206327154938E+25
Surface area
6.742771270199E+17
Circumference
1455439476.1478
Perimeter
926561548
Area
53657268889509769
Diagonal
327588976.88875
Surface area
321943613337058614
Volume
1.2429190530929E+25
Space diagonal
401212919.36892
Perimeter
694921161
Area
2.3234278978004E+16
Altitude
200606459.68446
Surface area
2.3234278978004E+16
Volume
1.4647941515133E+24
Height
109196325.62958