20211690 is an even 8-digits composite number following 20211689
and preceding 20211691 . In scientific notation, it is written as 2.0211690 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 5140800 positive integers (up to 20211690) that are relatively prime to 20211690.
20211690 has 32 divisors, whose sum is 33865728
The reverse of 20211690 is 09611202
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred eleven thousand six hundred ninety
Scientific notation
2.0211690 × 10^7
Engineering notation
2.0211690 × 10^6
Prime Factorization
2 × 15 × 31 × 103 × 211
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20211690
Product of the distinct prime numbers
The prime factorization of 20211690 is 2 × 15 × 31 × 103 × 211.
Since it has a total of 5 prime factors.
7 , 4 , 27 , 36 , 557 , 5 , 9087 , 7095 , 17122 , 69389 , 237960 , 161974 , 6993548 , 4361292 , 99049886 , 96366587 , 913814476 , 697984840 , 6220362617 , 6581465960
n×2
40423380
n×3
60635070
n×4
80846760
n×5
101058450
n÷2
10105845
n÷3
6737230
n÷3
5052922.5
n÷5
4042338
n2
408512412656100
n3
8.2567262457572E+21
n4
1.6688239129411E+29
n5
3.3729751592952E+36
2 √n
4495.741318181
3 √n
272.39609426845
4 √n
67.050289471269
5 √n
28.914822172152
1 , 2 , 15 , 30 , 31 , 62 , 103 , 206 , 211 , 422 , 465 , 930 , 1545 , 3090 , 3165 , 3193 , 6330 , 6386 , 6541 , 13082 , 21733 , 43466 , 47895 , 95790 , 98115 , 196230 , 325995 , 651990 , 673723 , 1347446 , 10105845 , 20211690
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
-20211689
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 20211690 can be divided by 32 positive divisors.
The sum of these divisors (counting 20211690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000110011111101010
3
Ternary
1102000212020010
4
Quaternary
1031012133222
5
Quinary
20133233230
6
Senary
2001112350
8
Octal
115063752
10
Decimal
20211690
12
Duodecimal
69286b6
16
Hexadecimal
13467ea
20
Vigesimal
66694a
36
Base36
c17fu
md5
c0f327d43e8e7acc5c3977558db3de0a
sha1
6f1b897f7869c48dc9d93d76fc204eefceaf6740
sha256
90d8dbdd8f7e60f74cc4a4b307b07b1bdfd906a4ad024b152e697832e2339336
sha512
c03a3dd3d692e1b9a0b4ca4df75600bf9980b22771f8db6153cbb5deb98f3c8cbc1b3d1c8e78c791c10d0ed84d35fa23768d817e26dec97543af82ceaf20423a
ripemd-160
f1990727f9b3c772904f6018e353feefd912aca3
Diameter
40423380
Circumference
126993793.64127
Area
1.2833795945006E+15
Volume
3.458569402183E+22
Surface area
5.1335183780026E+15
Circumference
126993793.64127
Perimeter
80846760
Area
408512412656100
Diagonal
28583646.116481
Surface area
2451074475936600
Volume
8.2567262457572E+21
Space diagonal
35007673.986832
Perimeter
60635070
Area
1.7689106356073E+14
Altitude
17503836.993416
Surface area
1.7689106356073E+14
Volume
9.7306451979597E+20
Height
9527882.0388269