21291214 is an even 8-digits composite number following 21291213
and preceding 21291215 . In scientific notation, it is written as 2.1291214 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 9124800 positive integers (up to 21291214) that are relatively prime to 21291214.
21291214 has 8 divisors, whose sum is 36499248
The reverse of 21291214 is 41219212
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million two hundred ninety-one thousand two hundred fourteen
Scientific notation
2.1291214 × 10^7
Engineering notation
2.1291214 × 10^6
Prime Factorization
2 × 7 × 1520801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21291214
Product of the distinct prime numbers
The prime factorization of 21291214 is 2 × 7 × 1520801.
Since it has a total of 3 prime factors.
6 , 9 , 55 , 81 , 834 , 258 , 5835 , 25 , 39032 , 55189 , 640693 , 338245 , 1962484 , 4040253 , 36398913 , 46378540 , 210273134 , 299188249 , 4183991859 , 5827517264
n×2
42582428
n×3
63873642
n×4
85164856
n×5
106456070
n÷2
10645607
n÷3
7097071.3333333
n÷3
5322803.5
n÷5
4258242.8
n2
453315793593796
n3
9.6516435709853E+21
n4
2.0549520872157E+29
n5
4.3752424648657E+36
2 √n
4614.2403491799
3 √n
277.16186501984
4 √n
67.928199955393
5 √n
29.217300346952
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21291213
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21291214 can be divided by 8 positive divisors.
The sum of these divisors (counting 21291214) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001110000011001110
3
Ternary
1111001201001111
4
Quaternary
1101032003032
5
Quinary
20422304324
6
Senary
2040202234
8
Octal
121160316
10
Decimal
21291214
12
Duodecimal
716937a
16
Hexadecimal
144e0ce
20
Vigesimal
6d180e
36
Base36
cocem
md5
51d4fc1e71d0d2fa37208f82200f2f02
sha1
80ea52d7d6931982e359f45b71f515fd20a2f46b
sha256
4567ac304ad8df305a7a49472c599d8302ea56dd11c95a02dffd5af4c0cc41e1
sha512
b9abc2a45d764f38341fc7fbb1ae744df026a8f26311b46a7f40ce4f33e775a887fe0b63978c75183427dacbe597abbf4a4c637f2cf0233bc2a83f7cfdfec93b
ripemd-160
efec34e42818dc8685909f14101284c311dea3b6
Diameter
42582428
Circumference
133776642.97682
Area
1.4241335669105E+15
Volume
4.0428710050233E+22
Surface area
5.696534267642E+15
Circumference
133776642.97682
Perimeter
85164856
Area
453315793593796
Diagonal
30110323.598188
Surface area
2719894761562776
Volume
9.6516435709853E+21
Space diagonal
36877464.402822
Perimeter
63873642
Area
1.9629149659447E+14
Altitude
18438732.201411
Surface area
1.9629149659447E+14
Volume
1.1374571031065E+21
Height
10036774.532729