20149809 is an odd 8-digits composite number following 20149808
and preceding 20149810 . In scientific notation, it is written as 2.0149809 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 12969936 positive integers (up to 20149809) that are relatively prime to 20149809.
20149809 has 8 divisors, whose sum is 27792960
The reverse of 20149809 is 90894102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-nine thousand eight hundred nine
Scientific notation
2.0149809 × 10^7
Engineering notation
2.0149809 × 10^6
Prime Factorization
3 × 29 × 231607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149809
Product of the distinct prime numbers
The prime factorization of 20149809 is 3 × 29 × 231607.
Since it has a total of 3 prime factors.
1 , 3 , 78 , 62 , 189 , 254 , 7786 , 9723 , 43611 , 334 , 512765 , 90739 , 6004894 , 8730201 , 57463053 , 62492934 , 53838394 , 463198707 , 2007935809 , 4785802555
n×2
40299618
n×3
60449427
n×4
80599236
n×5
100749045
n÷2
10074904.5
n÷3
6716603
n÷3
5037452.25
n÷5
4029961.8
n2
406014802736481
n3
8.1811207263128E+21
n4
1.6484802004114E+29
n5
3.3216561178572E+36
2 √n
4488.8538626246
3 √n
272.11781678757
4 √n
66.998909413696
5 √n
28.897095070679
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
-20149808
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 20149809 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149809) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111011000110001
3
Ternary
1101220201100020
4
Quaternary
1030313120301
5
Quinary
20124243214
6
Senary
1555514053
8
Octal
114673061
10
Decimal
20149809
12
Duodecimal
68b8929
16
Hexadecimal
1337631
20
Vigesimal
65iea9
36
Base36
bzvox
md5
d6cca5e562d929131bdd846f6c3f626c
sha1
c37f0ad9722bc3b6f4450343b76ee500bc230cf2
sha256
d01609352bed4821077e3fa855c97525a46de1c56199c0012b191fd27e439b23
sha512
feb5fe14b187177a3753a8f00bc84de8c6c2cfd3f1bd300b473c7db632359ffd06399d971d7df0db8e17b4b1d838effaee640345100e9686eade1d38825d0d9e
ripemd-160
795a61dbed9af8ae058c61ff033f8148d41adaad
Diameter
40299618
Circumference
126604983.85127
Area
1.2755331215256E+15
Volume
3.4268998362554E+22
Surface area
5.1021324861026E+15
Circumference
126604983.85127
Perimeter
80599236
Area
406014802736481
Diagonal
28496133.167027
Surface area
2436088816418886
Volume
8.1811207263128E+21
Space diagonal
34900492.950809
Perimeter
60449427
Area
1.7580956674116E+14
Altitude
17450246.475404
Surface area
1.7580956674116E+14
Volume
9.6415432388026E+20
Height
9498711.0556758