18393397 is an odd 8-digits composite number following 18393396
and preceding 18393398 . In scientific notation, it is written as 1.8393397 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 16692960 positive integers (up to 18393397) that are relatively prime to 18393397.
18393397 has 8 divisors, whose sum is 20099520
The reverse of 18393397 is 79339381
Previous prime number is 1993
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million three hundred ninety-three thousand three hundred ninety-seven
Scientific notation
1.8393397 × 10^7
Engineering notation
1.8393397 × 10^6
Prime Factorization
11 × 1993 × 839
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18393397
Product of the distinct prime numbers
The prime factorization of 18393397 is 11 × 1993 × 839.
Since it has a total of 3 prime factors.
5 , 10 , 51 , 66 , 210 , 338 , 2771 , 6847 , 65016 , 10023 , 462557 , 765585 , 4753396 , 403070 , 88768092 , 88886876 , 750654556 , 786565272 , 7301952384 , 5473098902
n×2
36786794
n×3
55180191
n×4
73573588
n×5
91966985
n÷2
9196698.5
n÷3
6131132.3333333
n÷3
4598349.25
n÷5
3678679.4
n2
338317053199609
n3
6.2227998713705E+21
n4
1.1445842848567E+29
n5
2.105279315133E+36
2 √n
4288.7523826866
3 √n
263.9696408692
4 √n
65.488566808922
5 √n
28.374772549582
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
-18393396
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 18393397 can be divided by 8 positive divisors.
The sum of these divisors (counting 18393397) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110001010100100110101
3
Ternary
1021121110222221
4
Quaternary
1012022210311
5
Quinary
14202042042
6
Senary
1454122341
8
Octal
106124465
10
Decimal
18393397
12
Duodecimal
61b03b1
16
Hexadecimal
118a935
20
Vigesimal
5ej39h
36
Base36
ay8fp
md5
64e62adfba40c0cede63598a7de17fa7
sha1
9cc14d2014dde5fcf26015bd3a86b9c20a590170
sha256
fa0b2f36c09c55047642867ea07ddad58197617aabdc102f5473d9c5e4e88303
sha512
a51968b8bbd8dd40a659b0ee0cbe3444cf25a454a03efb66831696c81adf27fd9904b8b4c736b9cb2c08a9a9f9865a06ad900d97b54583a5ff6b45292f523fac
ripemd-160
db6e70e3934a0d6499b3531c754b4a30de7c3150
Diameter
36786794
Circumference
115569121.77952
Area
1.062854368916E+15
Volume
2.6066003147543E+22
Surface area
4.2514174756642E+15
Circumference
115569121.77952
Perimeter
73573588
Area
338317053199609
Diagonal
26012191.495513
Surface area
2029902319197654
Volume
6.2227998713705E+21
Space diagonal
31858298.127785
Perimeter
55180191
Area
1.4649558130218E+14
Altitude
15929149.063892
Surface area
1.4649558130218E+14
Volume
7.3336399783548E+20
Height
8670730.4985042