20308889 is an odd 8-digits composite number following 20308888
and preceding 20308890 . In scientific notation, it is written as 2.0308889 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20298000 positive integers (up to 20308889) that are relatively prime to 20308889.
20308889 has 4 divisors, whose sum is 20319780
The reverse of 20308889 is 98880302
Previous prime number is 8501
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred eight thousand eight hundred eighty-nine
Scientific notation
2.0308889 × 10^7
Engineering notation
2.0308889 × 10^6
Prime Factorization
8501 × 2389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20308889
Product of the distinct prime numbers
The prime factorization of 20308889 is 8501 × 2389.
Since it has a total of 2 prime factors.
9 , 7 , 42 , 11 , 243 , 619 , 5573 , 3291 , 86317 , 99406 , 169436 , 857618 , 7864088 , 1845103 , 45199737 , 47238795 , 997993128 , 943423426 , 359704541 , 3582529731
n×2
40617778
n×3
60926667
n×4
81235556
n×5
101544445
n÷2
10154444.5
n÷3
6769629.6666667
n÷3
5077222.25
n÷5
4061777.8
n2
412450972414321
n3
8.3764210167045E+21
n4
1.7011580464552E+29
n5
3.4548629936915E+36
2 √n
4506.5384720426
3 √n
272.83205152114
4 √n
67.130756528156
5 √n
28.942579386228
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
-20308888
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 20308889 can be divided by 4 positive divisors.
The sum of these divisors (counting 20308889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011110001110011001
3
Ternary
1102012210120002
4
Quaternary
1031132032121
5
Quinary
20144341024
6
Senary
2003142345
8
Octal
115361631
10
Decimal
20308889
12
Duodecimal
69749b5
16
Hexadecimal
135e399
20
Vigesimal
66ic49
36
Base36
c3aft
md5
3d02be38824c91a46cbe9cde34ef1f35
sha1
3ca8d51d9a438599a19ffd5ad2e39d5cf257082b
sha256
7a5a891eeb0129306a8f838c44d282f4bf3b2d2d74522c277ef1e32dfdc698b0
sha512
df0478251f5af944371902fdf2ba8d6abcf575309d1216344295cd45eb6da71d2bfa98625d8e79d8d98f18ea6a53b44aceb32a1e131d000af31605f5572c4182
ripemd-160
b0099dbdfc6e4736a6347ff2ca4b6185df08b219
Diameter
40617778
Circumference
127604512.96994
Area
1.2957529449028E+15
Volume
3.5087070305939E+22
Surface area
5.1830117796112E+15
Circumference
127604512.96994
Perimeter
81235556
Area
412450972414321
Diagonal
28721106.26053
Surface area
2474705834485926
Volume
8.3764210167045E+21
Space diagonal
35176027.593277
Perimeter
60926667
Area
1.785965099632E+14
Altitude
17588013.796638
Surface area
1.785965099632E+14
Volume
9.8717068383088E+20
Height
9573702.0868433