21082894 is an even 8-digits composite number following 21082893
and preceding 21082895 . In scientific notation, it is written as 2.1082894 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 8559864 positive integers (up to 21082894) that are relatively prime to 21082894.
21082894 has 16 divisors, whose sum is 38044800
The reverse of 21082894 is 49828012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million eighty-two thousand eight hundred ninety-four
Scientific notation
2.1082894 × 10^7
Engineering notation
2.1082894 × 10^6
Prime Factorization
2 × 19 × 7 × 79259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21082894
Product of the distinct prime numbers
The prime factorization of 21082894 is 2 × 19 × 7 × 79259.
Since it has a total of 4 prime factors.
1 , 6 , 26 , 62 , 232 , 935 , 4596 , 9267 , 60568 , 31106 , 980029 , 800686 , 8545783 , 7645928 , 59680092 , 74332045 , 854425046 , 81235828 , 7390438706 , 3054800079
n×2
42165788
n×3
63248682
n×4
84331576
n×5
105414470
n÷2
10541447
n÷3
7027631.3333333
n÷3
5270723.5
n÷5
4216578.8
n2
444488419415236
n3
9.371102230759E+21
n4
1.9756995499425E+29
n5
4.1653464187286E+36
2 √n
4591.6112640336
3 √n
276.25495415042
4 √n
67.761429028863
5 √n
29.159900990536
1 , 2 , 7 , 14 , 19 , 38 , 133 , 266 , 79259 , 158518 , 554813 , 1109626 , 1505921 , 3011842 , 10541447 , 21082894
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21082893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21082894 can be divided by 16 positive divisors.
The sum of these divisors (counting 21082894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011001100001110
3
Ternary
1110200010021221
4
Quaternary
1100123030032
5
Quinary
20344123034
6
Senary
2031513554
8
Octal
120331416
10
Decimal
21082894
12
Duodecimal
70888ba
16
Hexadecimal
141b30e
20
Vigesimal
6bf74e
36
Base36
cjvny
md5
6f14f750a47e3c67cac3a6fcfebe0b8e
sha1
a8aca6805adc5409d8ba85f1d634260373d56e4f
sha256
289ed885cb40a6751e71098f46b507ffe46db772b77d1fc72ea806d563f55ecf
sha512
09e2450fd959dcc98f3d1bead0fd7637db825c7ae5b735acd2c717975e70ac569e9342ea47a94826c1bcc7a7e57a2305033c57b6a01a60960a323881cfa53b0f
ripemd-160
dfe2210e1d7908026fcd02af3e19bb96f74e2d52
Diameter
42165788
Circumference
132467729.81362
Area
1.3964015530406E+15
Volume
3.9253581232255E+22
Surface area
5.5856062121626E+15
Circumference
132467729.81362
Perimeter
84331576
Area
444488419415236
Diagonal
29815714.628874
Surface area
2666930516491416
Volume
9.371102230759E+21
Space diagonal
36516643.578589
Perimeter
63248682
Area
1.9246913145079E+14
Altitude
18258321.789295
Surface area
1.9246913145079E+14
Volume
1.1043949890937E+21
Height
9938571.5429581