20091405 is an odd 8-digits composite number following 20091404
and preceding 20091406 . In scientific notation, it is written as 2.0091405 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 10715408 positive integers (up to 20091405) that are relatively prime to 20091405.
20091405 has 4 divisors, whose sum is 21430848
The reverse of 20091405 is 50419002
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million ninety-one thousand four hundred five
Scientific notation
2.0091405 × 10^7
Engineering notation
2.0091405 × 10^6
Prime Factorization
15 × 1339427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20091405
Product of the distinct prime numbers
The prime factorization of 20091405 is 15 × 1339427.
Since it has a total of 2 prime factors.
4 , 10 , 70 , 45 , 1 , 725 , 3904 , 521 , 75362 , 63404 , 920949 , 851073 , 8114927 , 9065572 , 918042 , 39295431 , 212661741 , 859936584 , 3844119196 , 8337461609
n×2
40182810
n×3
60274215
n×4
80365620
n×5
100457025
n÷2
10045702.5
n÷3
6697135
n÷3
5022851.25
n÷5
4018281
n2
403664554874025
n3
8.1101880561188E+21
n4
1.6294507286164E+29
n5
3.2737954516178E+36
2 √n
4482.3436949881
3 √n
271.85465219627
4 √n
66.950307654171
5 √n
28.88032403261
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
-20091404
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 20091405 can be divided by 4 positive divisors.
The sum of these divisors (counting 20091405) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101001001000001101
3
Ternary
1101210202020010
4
Quaternary
1030221020031
5
Quinary
20120411110
6
Senary
1554343433
8
Octal
114511015
10
Decimal
20091405
12
Duodecimal
688ab79
16
Hexadecimal
132920d
20
Vigesimal
65b8a5
36
Base36
bymml
md5
ad455f3d9f136018d074cdc1da785619
sha1
c935c8389ec544ff9690ca74e4f4b9bf2bc70cc7
sha256
0ee1afbfcf18e37e67386d534a52d6b400dea6fb8baf3eecccc9e66f91275e58
sha512
a0caa792c22706ac9a7d7f6eddc07bd74c8cddec5427ca756f514cd86bdd36b11302b091d55a35ee37aff201bab310e04d4e44d8349a9c11c97544d777da32e7
ripemd-160
10db881a351fc6d3ce8fafb2d8e2fef9e7bf9ff0
Diameter
40182810
Circumference
126238020.69659
Area
1.2681496001068E+15
Volume
3.3971876288446E+22
Surface area
5.0725984004273E+15
Circumference
126238020.69659
Perimeter
80365620
Area
403664554874025
Diagonal
28413537.438131
Surface area
2421987329244150
Volume
8.1101880561188E+21
Space diagonal
34799334.255443
Perimeter
60274215
Area
1.7479187956412E+14
Altitude
17399667.127722
Surface area
1.7479187956412E+14
Volume
9.5579482852995E+20
Height
9471179.1460435