18311906 is an even 8-digits composite number following 18311905
and preceding 18311907 . In scientific notation, it is written as 1.8311906 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9004800 positive integers (up to 18311906) that are relatively prime to 18311906.
18311906 has 16 divisors, whose sum is 27925560
The reverse of 18311906 is 60911381
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million three hundred eleven thousand nine hundred six
Scientific notation
1.8311906 × 10^7
Engineering notation
1.8311906 × 10^6
Prime Factorization
2 × 337 × 101 × 269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18311906
Product of the distinct prime numbers
The prime factorization of 18311906 is 2 × 337 × 101 × 269.
Since it has a total of 4 prime factors.
7 , 7 , 83 , 61 , 535 , 935 , 2628 , 3072 , 4240 , 25716 , 416359 , 557643 , 7327557 , 4021626 , 61274969 , 61999618 , 4072691 , 798238605 , 698064218 , 2104701517
n×2
36623812
n×3
54935718
n×4
73247624
n×5
91559530
n÷2
9155953
n÷3
6103968.6666667
n÷3
4577976.5
n÷5
3662381.2
n2
335325901352836
n3
6.1404563849384E+21
n4
1.1244346011809E+29
n5
2.0590540719972E+36
2 √n
4279.241287892
3 √n
263.57922909185
4 √n
65.4159100517
5 √n
28.349585279312
1 , 2 , 101 , 202 , 269 , 337 , 538 , 674 , 27169 , 34037 , 54338 , 68074 , 90653 , 181306 , 9155953 , 18311906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18311905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18311906 can be divided by 16 positive divisors.
The sum of these divisors (counting 18311906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101110110101011100010
3
Ternary
1021110100012202
4
Quaternary
1011312223202
5
Quinary
14141440111
6
Senary
1452253202
8
Octal
105665342
10
Decimal
18311906
12
Duodecimal
6171202
16
Hexadecimal
1176ae2
20
Vigesimal
5e8jf6
36
Base36
awhk2
md5
7c8c6c0ee99d294da00622e97813de16
sha1
f21aa8537943fe1ad90dcdb1debf2da1d560b10c
sha256
a071147309c5ee5a477a17d5b7b7a4b8f2bb38b562be5b5b6265047a48127cbe
sha512
3bf15f07956dbb4d0e07feb303c87643302284ebee8056f87bc82a5720676842c4ef583d0069532e030e6752c4acda9919344a9504ac87844000aae44e560148
ripemd-160
26b9d1e76628e090e311b4d9c2b9f1740bcad75d
Diameter
36623812
Circumference
115057098.72565
Area
1.0534573882484E+15
Volume
2.5721083558148E+22
Surface area
4.2138295529938E+15
Circumference
115057098.72565
Perimeter
73247624
Area
335325901352836
Diagonal
25896945.818101
Surface area
2011955408117016
Volume
6.1404563849384E+21
Space diagonal
31717151.575425
Perimeter
54935718
Area
1.4520037455924E+14
Altitude
15858575.787713
Surface area
1.4520037455924E+14
Volume
7.2365972489503E+20
Height
8632315.2727004