18308971 is an odd 8-digits composite number following 18308970
and preceding 18308972 . In scientific notation, it is written as 1.8308971 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 17994432 positive integers (up to 18308971) that are relatively prime to 18308971.
18308971 has 8 divisors, whose sum is 18626400
The reverse of 18308971 is 17980381
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million three hundred eight thousand nine hundred seventy-one
Scientific notation
1.8308971 × 10^7
Engineering notation
1.8308971 × 10^6
Prime Factorization
149 × 103 × 1193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18308971
Product of the distinct prime numbers
The prime factorization of 18308971 is 149 × 103 × 1193.
Since it has a total of 3 prime factors.
7 , 6 , 37 , 7 , 389 , 814 , 9335 , 5503 , 86207 , 64555 , 174273 , 706086 , 9691219 , 848169 , 39065206 , 29925087 , 331625051 , 305627710 , 353646255 , 5036853988
n×2
36617942
n×3
54926913
n×4
73235884
n×5
91544855
n÷2
9154485.5
n÷3
6102990.3333333
n÷3
4577242.75
n÷5
3661794.2
n2
335218419078841
n3
6.1375043135803E+21
n4
1.1237138848972E+29
n5
2.057404493088E+36
2 √n
4278.8983395262
3 √n
263.56514633477
4 √n
65.413288707465
5 √n
28.348676456738
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
-18308970
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 18308971 can be divided by 8 positive divisors.
The sum of these divisors (counting 18308971) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101110101111101101011
3
Ternary
1021110012012001
4
Quaternary
1011311331223
5
Quinary
14141341341
6
Senary
1452231431
8
Octal
105657553
10
Decimal
18308971
12
Duodecimal
616b577
16
Hexadecimal
1175f6b
20
Vigesimal
5e8c8b
36
Base36
awfaj
md5
fc8e283e80780c62d751aa14f3994f1e
sha1
4ea4554084e9c602eabf2c705d3c253daf6a0ab7
sha256
df96fcfa175928e652d61e9e66ea1a7252631688f504a3481d4dd49a68f39c20
sha512
e8b0ad07fd23bb2bea08f0876dce0e7a3366d35d2de2590dff070bf69373aa2beb74a6d7956fc9f3d50efe661174d2cc82cbbcf4be23b1535c15b20e1ab80921
ripemd-160
051e70911e01ffa183728700b035a769d5b43b1d
Diameter
36617942
Circumference
115038657.57678
Area
1.0531197227261E+15
Volume
2.570871795056E+22
Surface area
4.2124788909043E+15
Circumference
115038657.57678
Perimeter
73235884
Area
335218419078841
Diagonal
25892795.101296
Surface area
2011310514473046
Volume
6.1375043135803E+21
Space diagonal
31712068.006305
Perimeter
54926913
Area
1.4515383336937E+14
Altitude
15856034.003153
Surface area
1.4515383336937E+14
Volume
7.2331181994906E+20
Height
8630931.7004319