20804972 is an even 8-digits composite number following 20804971
and preceding 20804973 . In scientific notation, it is written as 2.0804972 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 9950160 positive integers (up to 20804972) that are relatively prime to 20804972.
20804972 has 12 divisors, whose sum is 37991856
The reverse of 20804972 is 27940802
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred four thousand nine hundred seventy-two
Scientific notation
2.0804972 × 10^7
Engineering notation
2.0804972 × 10^6
Prime Factorization
2 × 2 × 23 × 226141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10402486
Product of the distinct prime numbers
The prime factorization of 20804972 is 2 × 2 × 23 × 226141.
Since it has a total of 4 prime factors.
10 , 7 , 66 , 71 , 725 , 320 , 9382 , 109 , 61237 , 88384 , 18706 , 426505 , 878913 , 1384363 , 74497429 , 87304008 , 315789079 , 568704077 , 3834211190 , 2814877786
n×2
41609944
n×3
62414916
n×4
83219888
n×5
104024860
n÷2
10402486
n÷3
6934990.6666667
n÷3
5201243
n÷5
4160994.4
n2
432846859920784
n3
9.0053668009398E+21
n4
1.8735640414328E+29
n5
3.8979447422217E+36
2 √n
4561.246759385
3 √n
275.03568462548
4 √n
67.537002890156
5 √n
29.082613195267
1 , 2 , 4 , 23 , 46 , 92 , 226141 , 452282 , 904564 , 5201243 , 10402486 , 20804972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20804972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010111010101101100
3
Ternary
1110011000001112
4
Quaternary
1033113111230
5
Quinary
20311224342
6
Senary
2021531152
8
Octal
117272554
10
Decimal
20804972
12
Duodecimal
6b73ab8
16
Hexadecimal
13d756c
20
Vigesimal
6a0c8c
36
Base36
cdx7w
md5
bcf878f1b4ba552da2bc3333ef5f644d
sha1
bb397c4c27f1eed385309e22e821b8611f9b51c0
sha256
33d1ce82411893913948e7099918e9fc3d3482eb89d2295a1b7fd40e55a9041c
sha512
385440a9aed52bff920cf415e972351d8299ea90676773623b8db21fd5f5de6270038286da4522fabd8d34d3142ada642073511fa936dc3d2cf20cee09711b8e
ripemd-160
84ac9e6346033c42cfc7c50fea688e0db0a9168c
Diameter
41609944
Circumference
130721494.38668
Area
1.3598285152565E+15
Volume
3.7721592246285E+22
Surface area
5.4393140610262E+15
Circumference
130721494.38668
Perimeter
83219888
Area
432846859920784
Diagonal
29422673.567192
Surface area
2597081159524704
Volume
9.0053668009398E+21
Space diagonal
36035268.554048
Perimeter
62414916
Area
1.8742818831986E+14
Altitude
18017634.277024
Surface area
1.8742818831986E+14
Volume
1.0612926553361E+21
Height
9807557.8557308