20091538 is an even 8-digits composite number following 20091537
and preceding 20091539 . In scientific notation, it is written as 2.0091538 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10045768 positive integers (up to 20091538) that are relatively prime to 20091538.
20091538 has 4 divisors, whose sum is 30137310
The reverse of 20091538 is 83519002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million ninety-one thousand five hundred thirty-eight
Scientific notation
2.0091538 × 10^7
Engineering notation
2.0091538 × 10^6
Prime Factorization
2 × 10045769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20091538
Product of the distinct prime numbers
The prime factorization of 20091538 is 2 × 10045769.
Since it has a total of 2 prime factors.
5 , 10 , 44 , 38 , 927 , 803 , 4953 , 1271 , 51583 , 82476 , 173057 , 319691 , 6124198 , 8358830 , 83601638 , 41681750 , 743206052 , 361428398 , 9109451076 , 8227078161
n×2
40183076
n×3
60274614
n×4
80366152
n×5
100457690
n÷2
10045769
n÷3
6697179.3333333
n÷3
5022884.5
n÷5
4018307.6
n2
403669899205444
n3
8.1103491193423E+21
n4
1.6294938752453E+29
n5
3.2739038115259E+36
2 √n
4482.3585309522
3 √n
271.85525206454
4 √n
66.950418452406
5 √n
28.880362268591
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
-20091537
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 20091538 can be divided by 4 positive divisors.
The sum of these divisors (counting 20091538) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101001001010010010
3
Ternary
1101210202102001
4
Quaternary
1030221022102
5
Quinary
20120412123
6
Senary
1554344214
8
Octal
114511222
10
Decimal
20091538
12
Duodecimal
688b06a
16
Hexadecimal
1329292
20
Vigesimal
65b8gi
36
Base36
bymqa
md5
1ef11baf7b16e68ad3e675aac536279e
sha1
6af299913febaefba139f92a726bace85b48547e
sha256
c2c295a11ec6a6567c3258e602675d89431bbab3984422840e109b1ba8c6e607
sha512
edd020396d7d55dfa49d4a85316623ec700d4e5cd0c8f6aa5b9471b584962ac24902880860c75ba107a59f1bfb7ee3caf0c8d3157a91af4478193c3f69c34c52
ripemd-160
0d2c621fe4f4c8d6bc06b010dc8d8c0b2332e75f
Diameter
40183076
Circumference
126238856.36024
Area
1.2681663898192E+15
Volume
3.3972550948499E+22
Surface area
5.0726655592766E+15
Circumference
126238856.36024
Perimeter
80366152
Area
403669899205444
Diagonal
28413725.528534
Surface area
2422019395232664
Volume
8.1103491193423E+21
Space diagonal
34799564.618201
Perimeter
60274614
Area
1.7479419372751E+14
Altitude
17399782.3091
Surface area
1.7479419372751E+14
Volume
9.5581381001289E+20
Height
9471241.8428448