20045090 is an even 8-digits composite number following 20045089
and preceding 20045091 . In scientific notation, it is written as 2.0045090 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 7128576 positive integers (up to 20045090) that are relatively prime to 20045090.
20045090 has 16 divisors, whose sum is 32476920
The reverse of 20045090 is 09054002
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million forty-five thousand ninety
Scientific notation
2.0045090 × 10^7
Engineering notation
2.0045090 × 10^6
Prime Factorization
2 × 1885 × 13 × 409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20045090
Product of the distinct prime numbers
The prime factorization of 20045090 is 2 × 1885 × 13 × 409.
Since it has a total of 4 prime factors.
5 , 6 , 20 , 86 , 417 , 699 , 2652 , 5555 , 42128 , 97214 , 252179 , 193509 , 9028118 , 1772826 , 55450006 , 77207239 , 248836947 , 649431790 , 1023034937 , 2497055917
n×2
40090180
n×3
60135270
n×4
80180360
n×5
100225450
n÷2
10022545
n÷3
6681696.6666667
n÷3
5011272.5
n÷5
4009018
n2
401805633108100
n3
8.0542300781588E+21
n4
1.614477667974E+29
n5
3.2362350157529E+36
2 √n
4477.1743320983
3 √n
271.64559703775
4 √n
66.9116905488
5 √n
28.866996669082
1 , 2 , 13 , 26 , 409 , 818 , 1885 , 3770 , 5317 , 10634 , 24505 , 49010 , 770965 , 1541930 , 10022545 , 20045090
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
-20045089
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 20045090 can be divided by 16 positive divisors.
The sum of these divisors (counting 20045090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011101110100100010
3
Ternary
1101201101200202
4
Quaternary
1030131310202
5
Quinary
20112420330
6
Senary
1553345202
8
Octal
114356442
10
Decimal
20045090
12
Duodecimal
6868202
16
Hexadecimal
131dd22
20
Vigesimal
655cea
36
Base36
bxmw2
md5
33f650395c871ee23ea4821df2668d2a
sha1
2f851ab1ea31161541cd6d9b4f3544cc17c01b97
sha256
460983ed3f3192b3a5f63e201b90d2e0dc59598662b90c6335f00345c12df6b7
sha512
7328e6ce192a1263279509272326d200dccbb418fbdffe2a246b7d0c3e71943660f0fcf00fc620afd3b0868ce3ecd974694a74226c8faf7d9ec1b452e061547d
ripemd-160
6617c962ab39091a8432eef3cbad4ffdb65614e5
Diameter
40090180
Circumference
125947014.96909
Area
1.2623096251434E+15
Volume
3.3737480058488E+22
Surface area
5.0492385005736E+15
Circumference
125947014.96909
Perimeter
80180360
Area
401805633108100
Diagonal
28348038.136989
Surface area
2410833798648600
Volume
8.0542300781588E+21
Space diagonal
34719114.322291
Perimeter
60135270
Area
1.7398694282765E+14
Altitude
17359557.161145
Surface area
1.7398694282765E+14
Volume
9.492001175838E+20
Height
9449346.0456631