18808538 is an even 8-digits composite number following 18808537
and preceding 18808539 . In scientific notation, it is written as 1.8808538 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 8060796 positive integers (up to 18808538) that are relatively prime to 18808538.
18808538 has 8 divisors, whose sum is 32243232
The reverse of 18808538 is 83580881
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million eight hundred eight thousand five hundred thirty-eight
Scientific notation
1.8808538 × 10^7
Engineering notation
1.8808538 × 10^6
Prime Factorization
2 × 7 × 1343467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18808538
Product of the distinct prime numbers
The prime factorization of 18808538 is 2 × 7 × 1343467.
Since it has a total of 3 prime factors.
6 , 9 , 57 , 22 , 288 , 33 , 717 , 5102 , 14795 , 13498 , 681689 , 428477 , 4260608 , 2725201 , 60160662 , 69749108 , 756418462 , 392238126 , 9815182914 , 4393084104
n×2
37617076
n×3
56425614
n×4
75234152
n×5
94042690
n÷2
9404269
n÷3
6269512.6666667
n÷3
4702134.5
n÷5
3761707.6
n2
353761101697444
n3
6.6537291241982E+21
n4
1.2514691707419E+29
n5
2.3538305453727E+36
2 √n
4336.8811374074
3 √n
265.94082577656
4 √n
65.855000853446
5 √n
28.501715964089
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
-18808537
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 18808538 can be divided by 8 positive divisors.
The sum of these divisors (counting 18808538) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111101111111011011010
3
Ternary
1022101120110112
4
Quaternary
1013233323122
5
Quinary
14303333123
6
Senary
1511044322
8
Octal
107577332
10
Decimal
18808538
12
Duodecimal
63706a2
16
Hexadecimal
11efeda
20
Vigesimal
5hb16i
36
Base36
b74re
md5
7224a865afea1d7faff2a34b6d331e3e
sha1
a6d0fc95b5a1bd84c063cb7a8931cddcaa6d72bb
sha256
5280a62fd49dba3fd5630a087a790e434f5d505dd410cd448fa4c7207064c285
sha512
4e1862772536f18db391c100d2fb93c735b655e4c78f3c9631f2e46284c4bcd4ba43c51727c4f9a7482882a5a54d846c1b069ba6eb483f4ab3b39ecbae1cd9cf
ripemd-160
a4e96b63affb5bbbb16c2a1bc4a518147b409c45
Diameter
37617076
Circumference
118177529.61113
Area
1.1113732782185E+15
Volume
2.7871075380744E+22
Surface area
4.4454931128741E+15
Circumference
118177529.61113
Perimeter
75234152
Area
353761101697444
Diagonal
26599289.52801
Surface area
2122566610184664
Volume
6.6537291241982E+21
Space diagonal
32577343.43209
Perimeter
56425614
Area
1.5318305047038E+14
Altitude
16288671.716045
Surface area
1.5318305047038E+14
Volume
7.841494973165E+20
Height
8866429.8426699