18397813 is an odd 8-digits composite number following 18397812
and preceding 18397814 . In scientific notation, it is written as 1.8397813 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 15591840 positive integers (up to 18397813) that are relatively prime to 18397813.
18397813 has 8 divisors, whose sum is 21263040
The reverse of 18397813 is 31879381
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million three hundred ninety-seven thousand eight hundred thirteen
Scientific notation
1.8397813 × 10^7
Engineering notation
1.8397813 × 10^6
Prime Factorization
7 × 89 × 29531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18397813
Product of the distinct prime numbers
The prime factorization of 18397813 is 7 × 89 × 29531.
Since it has a total of 3 prime factors.
8 , 5 , 12 , 8 , 955 , 756 , 6309 , 492 , 35034 , 69806 , 739929 , 3175 , 114613 , 6995455 , 44178258 , 71007982 , 451867886 , 577833259 , 6657098017 , 6218838782
n×2
36795626
n×3
55193439
n×4
73591252
n×5
91989065
n÷2
9198906.5
n÷3
6132604.3333333
n÷3
4599453.25
n÷5
3679562.6
n2
338479523182969
n3
6.2272829718494E+21
n4
1.1456838761417E+29
n5
2.107807771037E+36
2 √n
4289.2671868281
3 √n
263.99076433102
4 √n
65.492497179662
5 √n
28.376134896775
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
-18397812
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 18397813 can be divided by 8 positive divisors.
The sum of these divisors (counting 18397813) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110001011101001110101
3
Ternary
1021121201001111
4
Quaternary
1012023221311
5
Quinary
14202212223
6
Senary
1454155021
8
Octal
106135165
10
Decimal
18397813
12
Duodecimal
61b2a71
16
Hexadecimal
118ba75
20
Vigesimal
5ejead
36
Base36
aybud
md5
e01b35d2c2d1dd5826708970de450bd4
sha1
1498628bbd5154db720280e02e1386d9975b2721
sha256
b16b264a1af8d448bb6b8531abb726aa68c3cde677ed4cfa92afcd6cefc1fc35
sha512
7cfadca274dfdaed03763b363b2695b3cb5887afae14f14a40e01a908012b70906eec157e345eacc603fbe3039295ca4db40a3d6f90ea583ef6da9787c95005a
ripemd-160
52173e5312d086856619f05b741ac52440a3fd28
Diameter
36795626
Circumference
115596868.32584
Area
1.0633647834222E+15
Volume
2.6084781914916E+22
Surface area
4.2534591336888E+15
Circumference
115596868.32584
Perimeter
73591252
Area
338479523182969
Diagonal
26018436.662604
Surface area
2030877139097814
Volume
6.2272829718494E+21
Space diagonal
31865946.864151
Perimeter
55193439
Area
1.4656593286865E+14
Altitude
15932973.432076
Surface area
1.4656593286865E+14
Volume
7.3389233629371E+20
Height
8672812.220868