18353989 is an odd 8-digits prime number following 18353988
and preceding 18353990 . In scientific notation, it is written as 1.8353989 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 18353988 positive integers (up to 18353989) that are relatively prime to 18353989.
18353989 has 2 divisors, whose sum is 18353990
The reverse of 18353989 is 98935381
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million three hundred fifty-three thousand nine hundred eighty-nine
Scientific notation
1.8353989 × 10^7
Engineering notation
1.8353989 × 10^6
Prime Factorization
18353989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18353989
Product of the distinct prime numbers
The prime factorization of 18353989 is 18353989.
Since it has a total of 1 prime factors.
8 , 1 , 63 , 85 , 57 , 687 , 4206 , 8028 , 71928 , 20089 , 522344 , 966333 , 8274230 , 4403110 , 62804817 , 97955570 , 252704064 , 40821725 , 5907597979 , 6301776772
n×2
36707978
n×3
55061967
n×4
73415956
n×5
91769945
n÷2
9176994.5
n÷3
6117996.3333333
n÷3
4588497.25
n÷5
3670797.8
n2
336868912212121
n3
6.1828883091832E+21
n4
1.1348066401498E+29
n5
2.0828228590436E+36
2 √n
4284.1555760733
3 √n
263.78098705283
4 √n
65.453461146629
5 √n
28.362603480808
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18353990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9176995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4284.1556927824
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998910319
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18353989 can be divided by 2 positive divisors.
The sum of these divisors (counting 18353989) is 18353990, the average is 9176995.
Base
System
Value
2
Binary
1000110000000111101000101
3
Ternary
1021112110221101
4
Quaternary
1012000331011
5
Quinary
14144311424
6
Senary
1453220101
8
Octal
106007505
10
Decimal
18353989
12
Duodecimal
6191631
16
Hexadecimal
1180f45
20
Vigesimal
5ee4j9
36
Base36
axe11
md5
9e87f8e90d96b32cd82c1d2f635239ff
sha1
85380b87f8c45e88cf8543a23088c0d7caf5fd0f
sha256
ca34ec72887287324925abf7143ccac3f3cad97dc38afdd5c3a286ace11ac580
sha512
ca9319d0a8005d25a60cabcc03483ae7a5dc722169343e8fcba3f22f03508416dd0cfc619e153e9e928d82780617d94e048e8e477b251faa82d352ada318b8dd
ripemd-160
d795c6684c55a540d625489e478d63b83a6d0874
Diameter
36707978
Circumference
115321514.01294
Area
1.0583048998284E+15
Volume
2.5898821986795E+22
Surface area
4.2332195993135E+15
Circumference
115321514.01294
Perimeter
73415956
Area
336868912212121
Diagonal
25956460.167447
Surface area
2021213473272726
Volume
6.1828883091832E+21
Space diagonal
31790041.46956
Perimeter
55061967
Area
1.4586851786046E+14
Altitude
15895020.73478
Surface area
1.4586851786046E+14
Volume
7.2866037512375E+20
Height
8652153.3891489