20081530 is an even 8-digits composite number following 20081529
and preceding 20081531 . In scientific notation, it is written as 2.0081530 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 32 positive divisors.
There are 6585216 positive integers (up to 20081530) that are relatively prime to 20081530.
20081530 has 32 divisors, whose sum is 43110144
The reverse of 20081530 is 03518002
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million eighty-one thousand five hundred thirty
Scientific notation
2.0081530 × 10^7
Engineering notation
2.0081530 × 10^6
Prime Factorization
2 × 5 × 7 × 23 × 12473
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20081530
Product of the distinct prime numbers
The prime factorization of 20081530 is 2 × 5 × 7 × 23 × 12473.
Since it has a total of 5 prime factors.
7 , 3 , 1 , 2 , 765 , 614 , 4693 , 2060 , 88512 , 62885 , 289241 , 87449 , 6521958 , 1731967 , 75708690 , 93462753 , 398654825 , 470635913 , 980124999 , 2640242324
n×2
40163060
n×3
60244590
n×4
80326120
n×5
100407650
n÷2
10040765
n÷3
6693843.3333333
n÷3
5020382.5
n÷5
4016306
n2
403267847140900
n3
8.0982353703954E+21
n4
1.6262495653766E+29
n5
3.2657579434596E+36
2 √n
4481.2420153346
3 √n
271.81010570761
4 √n
66.942079556394
5 √n
28.877484517048
1 , 2 , 5 , 7 , 10 , 14 , 23 , 35 , 46 , 70 , 115 , 161 , 230 , 322 , 805 , 1610 , 12473 , 24946 , 62365 , 87311 , 124730 , 174622 , 286879 , 436555 , 573758 , 873110 , 1434395 , 2008153 , 2868790 , 4016306 , 10040765 , 20081530
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081529
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081530 can be divided by 32 positive divisors.
The sum of these divisors (counting 20081530) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100100110101101111010
3
Ternary
1101210020200101
4
Quaternary
1030212231322
5
Quinary
20120102110
6
Senary
1554230014
8
Octal
114465572
10
Decimal
20081530
12
Duodecimal
688530a
16
Hexadecimal
1326b7a
20
Vigesimal
65a3ga
36
Base36
byf0a
md5
0ce1005564c841140c1115a32e8a1508
sha1
f2984dc5d534daf85796ce0505ebdd9ab6b9ed4a
sha256
9e14761b238e072b6989ed20464e83bba0f62aafa4b8ea6328f0f7c98a2db098
sha512
016f2114746dad92d7eb95e7bbcad4ad69ac6079337723051f6b5cb77ede41bb17f8049f68d168168ebe385cd5d03361c00fee9331d38d1698b9abb4e87aa601
ripemd-160
79b5ab08f288345bfe9ec7d55557341695e031b3
Diameter
40163060
Circumference
126175974.24169
Area
1.2669033060068E+15
Volume
3.3921808995567E+22
Surface area
5.0676132240273E+15
Circumference
126175974.24169
Perimeter
80326120
Area
403267847140900
Diagonal
28399572.079202
Surface area
2419607082845400
Volume
8.0982353703954E+21
Space diagonal
34782230.253719
Perimeter
60244590
Area
1.7462010007674E+14
Altitude
17391115.126859
Surface area
1.7462010007674E+14
Volume
9.5438619100856E+20
Height
9466524.0264007