21016823 is an odd 8-digits composite number following 21016822
and preceding 21016824 . In scientific notation, it is written as 2.1016823 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20999160 positive integers (up to 21016823) that are relatively prime to 21016823.
21016823 has 4 divisors, whose sum is 21034488
The reverse of 21016823 is 32861012
Previous prime number is 1283
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million sixteen thousand eight hundred twenty-three
Scientific notation
2.1016823 × 10^7
Engineering notation
2.1016823 × 10^6
Prime Factorization
1283 × 16381
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21016823
Product of the distinct prime numbers
The prime factorization of 21016823 is 1283 × 16381.
Since it has a total of 2 prime factors.
5 , 2 , 81 , 86 , 169 , 363 , 1452 , 3013 , 10589 , 96031 , 150859 , 561893 , 7974953 , 802146 , 56166078 , 38235599 , 486018962 , 885999683 , 7660260882 , 2359364842
n×2
42033646
n×3
63050469
n×4
84067292
n×5
105084115
n÷2
10508411.5
n÷3
7005607.6666667
n÷3
5254205.75
n÷5
4203364.6
n2
441706849013329
n3
9.2832746636009E+21
n4
1.9510494046528E+29
n5
4.1004860001844E+36
2 √n
4584.4108672762
3 √n
275.96607000809
4 √n
67.708277686529
5 √n
29.141601382492
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
-21016822
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 21016823 can be divided by 4 positive divisors.
The sum of these divisors (counting 21016823) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001011000011110111
3
Ternary
1110112202122212
4
Quaternary
1100023003313
5
Quinary
20340014243
6
Senary
2030244035
8
Octal
120130367
10
Decimal
21016823
12
Duodecimal
705661b
16
Hexadecimal
140b0f7
20
Vigesimal
6b7213
36
Base36
cigon
md5
b44461fead836c529bd0178b9f020b13
sha1
bb2787c2fb3c2e37ffef4acfa4e416f24fe7514a
sha256
adad919d9e2d71d7a9266a9ed1f01acb9cbcd5b266920dd9152f950c70d87e33
sha512
13b0d6aa5a91c43269327df615cd326a4d28a7689b843b619076ccd4b550bf9dae31acfef07582636b23a422f86f20dfb7f7f014d6bad7af3fdbdf07fd1f19ce
ripemd-160
6bf6050a5b1740a90964cf676622e56016f162b3
Diameter
42033646
Circumference
132052593.47719
Area
1.3876629919006E+15
Volume
3.8885689979233E+22
Surface area
5.5506519676023E+15
Circumference
132052593.47719
Perimeter
84067292
Area
441706849013329
Diagonal
29722276.124595
Surface area
2650241094079974
Volume
9.2832746636009E+21
Space diagonal
36402205.249682
Perimeter
63050469
Area
1.9126467613556E+14
Altitude
18201102.624841
Surface area
1.9126467613556E+14
Volume
1.0940444110416E+21
Height
9907425.3748649