20021647 is an odd 8-digits composite number following 20021646
and preceding 20021648 . In scientific notation, it is written as 2.0021647 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 19868680 positive integers (up to 20021647) that are relatively prime to 20021647.
20021647 has 4 divisors, whose sum is 20174616
The reverse of 20021647 is 74612002
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million twenty-one thousand six hundred forty-seven
Scientific notation
2.0021647 × 10^7
Engineering notation
2.0021647 × 10^6
Prime Factorization
131 × 152837
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20021647
Product of the distinct prime numbers
The prime factorization of 20021647 is 131 × 152837.
Since it has a total of 2 prime factors.
6 , 8 , 38 , 84 , 979 , 565 , 3185 , 2465 , 19269 , 29784 , 81742 , 789346 , 2084706 , 8941624 , 82399254 , 22648995 , 452122211 , 474475197 , 9225479405 , 3659921969
n×2
40043294
n×3
60064941
n×4
80086588
n×5
100108235
n÷2
10010823.5
n÷3
6673882.3333333
n÷3
5005411.75
n÷5
4004329.4
n2
400866348592609
n3
8.0260045257002E+21
n4
1.6069382943397E+29
n5
3.2173551280052E+36
2 √n
4474.5555086511
3 √n
271.53965801219
4 √n
66.89211843447
5 √n
28.860241440718
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
-20021646
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 20021647 can be divided by 4 positive divisors.
The sum of these divisors (counting 20021647) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011000000110001111
3
Ternary
1101200012112111
4
Quaternary
1030120012033
5
Quinary
20111143042
6
Senary
1553044451
8
Octal
114300617
10
Decimal
20021647
12
Duodecimal
6856727
16
Hexadecimal
131818f
20
Vigesimal
652e27
36
Base36
bx4sv
md5
1aab2af86a053884cfbde2670bef2435
sha1
92801bd0024b4f04bddde5f5bdad0b8ee3342767
sha256
7b6ad5e61686a562e3962dd779312caabf055d9ab1c2ae4c774bce4c1bf53b28
sha512
c183825ec6babbcb8314a475b1c28309d06a993a0730227035524ab20b18fa4f34389edaa4074abd84d6ce86671cb5fb3d6c52b47703f1db8bf0c18b6fa89d78
ripemd-160
982dd5fb24df831b54abb4fdcad0abb901d4941f
Diameter
40043294
Circumference
125799718.25594
Area
1.2593587758099E+15
Volume
3.3619249140824E+22
Surface area
5.0374351032396E+15
Circumference
125799718.25594
Perimeter
80086588
Area
400866348592609
Diagonal
28314884.728447
Surface area
2405198091555654
Volume
8.0260045257002E+21
Space diagonal
34678509.855209
Perimeter
60064941
Area
1.7358022070175E+14
Altitude
17339254.927604
Surface area
1.7358022070175E+14
Volume
9.4587370432608E+20
Height
9438294.9094822