20149918 is an even 8-digits composite number following 20149917
and preceding 20149919 . In scientific notation, it is written as 2.0149918 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 9544680 positive integers (up to 20149918) that are relatively prime to 20149918.
20149918 has 8 divisors, whose sum is 31815720
The reverse of 20149918 is 81994102
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-nine thousand nine hundred eighteen
Scientific notation
2.0149918 × 10^7
Engineering notation
2.0149918 × 10^6
Prime Factorization
2 × 19 × 530261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149918
Product of the distinct prime numbers
The prime factorization of 20149918 is 2 × 19 × 530261.
Since it has a total of 3 prime factors.
3 , 10 , 77 , 44 , 704 , 422 , 6899 , 7265 , 4770 , 36079 , 703265 , 107361 , 9616623 , 8021802 , 69808361 , 68557331 , 200040715 , 544038525 , 48059284 , 6848604638
n×2
40299836
n×3
60449754
n×4
80599672
n×5
100749590
n÷2
10074959
n÷3
6716639.3333333
n÷3
5037479.5
n÷5
4029983.6
n2
406019195406724
n3
8.1812534938715E+21
n4
1.6485158703872E+29
n5
3.3217459610001E+36
2 √n
4488.866003792
3 √n
272.1183074587
4 √n
66.999000020837
5 √n
28.897126334267
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
-20149917
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 20149918 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111011010011110
3
Ternary
1101220201111021
4
Quaternary
1030313122132
5
Quinary
20124244133
6
Senary
1555514354
8
Octal
114673236
10
Decimal
20149918
12
Duodecimal
68b89ba
16
Hexadecimal
133769e
20
Vigesimal
65iefi
36
Base36
bzvry
md5
0237c933cdd87f1e204f086b33b9b954
sha1
5e139fbf47af88e0d6973df39acfe2a31654595c
sha256
db7dabb68742c7a574d070481b6208348dc809ad4134787772e88f08ec8d359d
sha512
60b577a218a2511cda1250bc4d6f7f0b0a1814c27bffd4b10d38adb6cb5c4a0266469b5ba4c4e2d0dee93c0b04386d28f5549500d6370b332b731de90d595b9a
ripemd-160
e2c747f67b1c92ebaa7bda075fc7964e091b45e2
Diameter
40299836
Circumference
126605668.71847
Area
1.2755469215062E+15
Volume
3.4269554498003E+22
Surface area
5.1021876860248E+15
Circumference
126605668.71847
Perimeter
80599672
Area
406019195406724
Diagonal
28496287.316306
Surface area
2436115172440344
Volume
8.1812534938715E+21
Space diagonal
34900681.744347
Perimeter
60449754
Area
1.7581146882317E+14
Altitude
17450340.872173
Surface area
1.7581146882317E+14
Volume
9.6416997068711E+20
Height
9498762.4387686