18808081 is an odd 8-digits composite number following 18808080
and preceding 18808082 . In scientific notation, it is written as 1.8808081 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 17705952 positive integers (up to 18808081) that are relatively prime to 18808081.
18808081 has 4 divisors, whose sum is 18817252
The reverse of 18808081 is 18080881
Previous prime number is 3097
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million eight hundred eight thousand eighty-one
Scientific notation
1.8808081 × 10^7
Engineering notation
1.8808081 × 10^6
Prime Factorization
3097 × 6073
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18808081
Product of the distinct prime numbers
The prime factorization of 18808081 is 3097 × 6073.
Since it has a total of 2 prime factors.
3 , 9 , 29 , 86 , 429 , 583 , 5708 , 8991 , 79836 , 53984 , 140501 , 652655 , 8001624 , 7451880 , 36450795 , 43913605 , 842210081 , 31320953 , 8866978407 , 7153933403
n×2
37616162
n×3
56424243
n×4
75232324
n×5
94040405
n÷2
9404040.5
n÷3
6269360.3333333
n÷3
4702020.25
n÷5
3761616.2
n2
353743910902561
n3
6.6532441295122E+21
n4
1.2513475450064E+29
n5
2.3535445985631E+36
2 √n
4336.8284494547
3 √n
265.93867186218
4 √n
65.854600822226
5 √n
28.501577458791
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18808080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18808081 can be divided by 4 positive divisors.
The sum of these divisors (counting 18808081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111101111110100010001
3
Ternary
1022101112211121
4
Quaternary
1013233310101
5
Quinary
14303324311
6
Senary
1511042241
8
Octal
107576421
10
Decimal
18808081
12
Duodecimal
6370381
16
Hexadecimal
11efd11
20
Vigesimal
5hb041
36
Base36
b74ep
md5
0bc2a0151bb480f4df01a5bf4bb7e883
sha1
672fcee0ce6271df6d6589823bdfa1b107a8b440
sha256
3352245553b7ae2030fe3998d26f15aee2220c8dbd0a21f6264b127a4f57d446
sha512
2f1f12d0c0336949b87f8ee781b91b1ade3c3c3fe24c63a3fdf6384354043706144ee0b63d91fa0bbad24bd9f28b8472c0238709d138b853f2bacf81e6388515
ripemd-160
d4260dfac83ae65a2581ddc06b8dd457ad852b5e
Diameter
37616162
Circumference
118174658.19544
Area
1.1113192717436E+15
Volume
2.7869043839753E+22
Surface area
4.4452770869744E+15
Circumference
118174658.19544
Perimeter
75232324
Area
353743910902561
Diagonal
26598643.232412
Surface area
2122463465415366
Volume
6.6532441295122E+21
Space diagonal
32576551.884871
Perimeter
56424243
Area
1.5317560663784E+14
Altitude
16288275.942435
Surface area
1.5317560663784E+14
Volume
7.8409234014461E+20
Height
8866214.4108039