18808539 is an odd 8-digits composite number following 18808538
and preceding 18808540 . In scientific notation, it is written as 1.8808539 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 12276320 positive integers (up to 18808539) that are relatively prime to 18808539.
18808539 has 16 divisors, whose sum is 25608960
The reverse of 18808539 is 93580881
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million eight hundred eight thousand five hundred thirty-nine
Scientific notation
1.8808539 × 10^7
Engineering notation
1.8808539 × 10^6
Prime Factorization
3 × 71 × 227 × 389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18808539
Product of the distinct prime numbers
The prime factorization of 18808539 is 3 × 71 × 227 × 389.
Since it has a total of 4 prime factors.
2 , 7 , 1 , 85 , 301 , 827 , 5233 , 6280 , 40978 , 33209 , 923155 , 938832 , 1622286 , 8890746 , 43227034 , 29806910 , 262720540 , 528069430 , 663301727 , 4273834693
n×2
37617078
n×3
56425617
n×4
75234156
n×5
94042695
n÷2
9404269.5
n÷3
6269513
n÷3
4702134.75
n÷5
3761707.8
n2
353761139314521
n3
6.6537301854816E+21
n4
1.2514694368911E+29
n5
2.3538311711074E+36
2 √n
4336.8812526976
3 √n
265.94083048968
4 √n
65.85500172878
5 √n
28.501716267161
1 , 3 , 71 , 213 , 227 , 389 , 681 , 1167 , 16117 , 27619 , 48351 , 82857 , 88303 , 264909 , 6269513 , 18808539
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18808538
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18808539 can be divided by 16 positive divisors.
The sum of these divisors (counting 18808539) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111101111111011011011
3
Ternary
1022101120110120
4
Quaternary
1013233323123
5
Quinary
14303333124
6
Senary
1511044323
8
Octal
107577333
10
Decimal
18808539
12
Duodecimal
63706a3
16
Hexadecimal
11efedb
20
Vigesimal
5hb16j
36
Base36
b74rf
md5
f0aaf12c2641aa9b66ed4e806ab37001
sha1
0d34a3d0de48a1192d83c8417a9f09fe55d1f6ad
sha256
993339e13b743954632f7642ecd883c660b197ce6c438ebf4bdb15351e016a56
sha512
22f4ff71fe5043578608bc3651ceb45d88134b6a4c12074da759f67c86599780642b1fcf29985b4d77f1fff5e93a8b738951395cc35443f589c9a2fe4464c03c
ripemd-160
d5a2c262dcf03bd1344779f2341e9e53be40f780
Diameter
37617078
Circumference
118177535.89431
Area
1.1113733963961E+15
Volume
2.7871079826237E+22
Surface area
4.4454935855842E+15
Circumference
118177535.89431
Perimeter
75234156
Area
353761139314521
Diagonal
26599290.942223
Surface area
2122566835887126
Volume
6.6537301854816E+21
Space diagonal
32577345.164141
Perimeter
56425617
Area
1.5318306675905E+14
Altitude
16288672.58207
Surface area
1.5318306675905E+14
Volume
7.8414962238994E+20
Height
8866430.3140744