21921650 is an even 8-digits composite number following 21921649
and preceding 21921651 . In scientific notation, it is written as 2.1921650 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8485200 positive integers (up to 21921650) that are relatively prime to 21921650.
21921650 has 16 divisors, whose sum is 35303424
The reverse of 21921650 is 05612912
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million nine hundred twenty-one thousand six hundred fifty
Scientific notation
2.1921650 × 10^7
Engineering notation
2.1921650 × 10^6
Prime Factorization
2 × 25 × 31 × 14143
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21921650
Product of the distinct prime numbers
The prime factorization of 21921650 is 2 × 25 × 31 × 14143.
Since it has a total of 4 prime factors.
7 , 3 , 100 , 53 , 914 , 665 , 9946 , 9706 , 44685 , 65126 , 46097 , 72683 , 9345566 , 1115375 , 32326555 , 25902793 , 133693899 , 841643862 , 1105869612 , 2892172270
n×2
43843300
n×3
65764950
n×4
87686600
n×5
109608250
n÷2
10960825
n÷3
7307216.6666667
n÷3
5480412.5
n÷5
4384330
n2
480558738722500
n3
1.0534640474716E+22
n4
2.3093670136256E+29
n5
5.0625135394246E+36
2 √n
4682.0561722389
3 √n
279.87090137044
4 √n
68.425552041901
5 √n
29.3883124087
1 , 2 , 25 , 31 , 50 , 62 , 775 , 1550 , 14143 , 28286 , 353575 , 438433 , 707150 , 876866 , 10960825 , 21921650
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
-21921649
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 21921650 can be divided by 16 positive divisors.
The sum of these divisors (counting 21921650) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100111111101110010
3
Ternary
1112020201211222
4
Quaternary
1103213331302
5
Quinary
21102443100
6
Senary
2101505042
8
Octal
123477562
10
Decimal
21921650
12
Duodecimal
7412182
16
Hexadecimal
14e7f72
20
Vigesimal
6h042a
36
Base36
d1uuq
md5
5fe198f05423ac83283c080bed84d71e
sha1
89678bd8211e070e65244161568d8f7d4f949519
sha256
7ccb9ec639a291cac7313f98dda600762dc6ebb6f21f08692d3e8e8469d30a16
sha512
d7909805dfabfcc76cfa2b89008fb6d1db63a3d8660a92b08675db41e562f422dd055997890e0727e2479f57433a0f9d62000d21b9391f066637b4a2a615796b
ripemd-160
e6eb267ada7e96cb6cf1f01d2f02068ce3da28c1
Diameter
43843300
Circumference
137737789.18913
Area
1.509719803189E+15
Volume
4.4127398831437E+22
Surface area
6.0388792127559E+15
Circumference
137737789.18913
Perimeter
87686600
Area
480558738722500
Diagonal
31001894.739596
Surface area
2883352432335000
Volume
1.0534640474716E+22
Space diagonal
37969411.585742
Perimeter
65764950
Area
2.0808803787215E+14
Altitude
18984705.792871
Surface area
2.0808803787215E+14
Volume
1.2415192861723E+21
Height
10333964.913199