20149808 is an even 8-digits composite number following 20149807
and preceding 20149809 . In scientific notation, it is written as 2.0149808 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 8635584 positive integers (up to 20149808) that are relatively prime to 20149808.
20149808 has 20 divisors, whose sum is 44617680
The reverse of 20149808 is 80894102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred forty-nine thousand eight hundred eight
Scientific notation
2.0149808 × 10^7
Engineering notation
2.0149808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 179909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2518726
Product of the distinct prime numbers
The prime factorization of 20149808 is 2 × 2 × 2 × 2 × 7 × 179909.
Since it has a total of 6 prime factors.
5 , 9 , 24 , 58 , 287 , 50 , 6404 , 5009 , 64949 , 29807 , 299682 , 906778 , 3764769 , 7829112 , 35421629 , 82815652 , 395340837 , 345319784 , 4575408358 , 2818153399
n×2
40299616
n×3
60449424
n×4
80599232
n×5
100749040
n÷2
10074904
n÷3
6716602.6666667
n÷3
5037452
n÷5
4029961.6
n2
406014762436864
n3
8.1811195082684E+21
n4
1.6484798731666E+29
n5
3.3216552936172E+36
2 √n
4488.8537512376
3 √n
272.117812286
4 √n
66.998908582436
5 √n
28.897094783857
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 179909 , 359818 , 719636 , 1259363 , 1439272 , 2518726 , 2878544 , 5037452 , 10074904 , 20149808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149808 can be divided by 20 positive divisors.
The sum of these divisors (counting 20149808) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110111011000110000
3
Ternary
1101220201100012
4
Quaternary
1030313120300
5
Quinary
20124243213
6
Senary
1555514052
8
Octal
114673060
10
Decimal
20149808
12
Duodecimal
68b8928
16
Hexadecimal
1337630
20
Vigesimal
65iea8
36
Base36
bzvow
md5
71baf4d7be741b53a9f551527d3ff7b3
sha1
8a39538e35e439781f6c2f6c6e8475e205b5a837
sha256
1c2fa36c59289f1171054c347aed6aae2e0fecc7c6828d109083a90dfe54d778
sha512
76abeef2623df1a3dc66ff9df413c65fdf58ac4d707e18cfc898b48277602fa17433799de37e02206883b7af09f8ce5df64f5870a46d6a30804fdc331a5965f8
ripemd-160
95f491a74caecbd6f8800ebc4dabc04ee3372e44
Diameter
40299616
Circumference
126604977.56809
Area
1.2755329949207E+15
Volume
3.4268993260422E+22
Surface area
5.1021319796826E+15
Circumference
126604977.56809
Perimeter
80599232
Area
406014762436864
Diagonal
28496131.752814
Surface area
2436088574621184
Volume
8.1811195082684E+21
Space diagonal
34900491.218758
Perimeter
60449424
Area
1.7580954929091E+14
Altitude
17450245.609379
Surface area
1.7580954929091E+14
Volume
9.6415418033236E+20
Height
9498710.5842713