20155538 is an even 8-digits composite number following 20155537
and preceding 20155539 . In scientific notation, it is written as 2.0155538 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9246720 positive integers (up to 20155538) that are relatively prime to 20155538.
20155538 has 16 divisors, whose sum is 32754456
The reverse of 20155538 is 83555102
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred fifty-five thousand five hundred thirty-eight
Scientific notation
2.0155538 × 10^7
Engineering notation
2.0155538 × 10^6
Prime Factorization
2 × 13 × 173 × 4481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155538
Product of the distinct prime numbers
The prime factorization of 20155538 is 2 × 13 × 173 × 4481.
Since it has a total of 4 prime factors.
9 , 8 , 47 , 37 , 169 , 767 , 8550 , 8911 , 88441 , 32715 , 71271 , 801496 , 4057510 , 3012137 , 89097106 , 63039241 , 566239238 , 126015626 , 7382911043 , 9436508571
n×2
40311076
n×3
60466614
n×4
80622152
n×5
100777690
n÷2
10077769
n÷3
6718512.6666667
n÷3
5038884.5
n÷5
4031107.6
n2
406245712069444
n3
8.1881008869527E+21
n4
1.6503557857481E+29
n5
3.3263808753166E+36
2 √n
4489.4919534397
3 √n
272.14360388474
4 √n
67.003671193747
5 √n
28.898738090055
1 , 2 , 13 , 26 , 173 , 346 , 2249 , 4481 , 4498 , 8962 , 58253 , 116506 , 775213 , 1550426 , 10077769 , 20155538
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
-20155537
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 20155538 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000110010010010
3
Ternary
1101221000012102
4
Quaternary
1030320302102
5
Quinary
20124434123
6
Senary
2000000402
8
Octal
114706222
10
Decimal
20155538
12
Duodecimal
6900102
16
Hexadecimal
1338c92
20
Vigesimal
65j8gi
36
Base36
c0042
md5
286f3eddf664c474a3f3b7b9043be2c8
sha1
bb5759d4e4c2e44ea9df3f3ec7ce7dee492d76f4
sha256
39656d538b20a7054ade105110614c314ec2ce5cc065c6e11979e7884f1d847e
sha512
b34d4c03723b78e4031986b33d9dac29e94084e4a93a8c6ca8b35241598f3d418eaeeed5a140eb40799f92cc22ff6dd056435faac340da3163797b44d6cb7c64
ripemd-160
bcfd93fe409456b1f341232a6b5c6e2a74a319a7
Diameter
40311076
Circumference
126640980.2199
Area
1.2762585445897E+15
Volume
3.429823679107E+22
Surface area
5.1050341783589E+15
Circumference
126640980.2199
Perimeter
80622152
Area
406245712069444
Diagonal
28504235.196526
Surface area
2437474272416664
Volume
8.1881008869527E+21
Space diagonal
34910415.869885
Perimeter
60466614
Area
1.7590955341532E+14
Altitude
17455207.934943
Surface area
1.7590955341532E+14
Volume
9.6497694370064E+20
Height
9501411.7321754