21395416 is an even 8-digits composite number following 21395415
and preceding 21395417 . In scientific notation, it is written as 2.1395416 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 9169440 positive integers (up to 21395416) that are relatively prime to 21395416.
21395416 has 16 divisors, whose sum is 45847440
The reverse of 21395416 is 61459312
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred ninety-five thousand four hundred sixteen
Scientific notation
2.1395416 × 10^7
Engineering notation
2.1395416 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 382061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5348854
Product of the distinct prime numbers
The prime factorization of 21395416 is 2 × 2 × 2 × 7 × 382061.
Since it has a total of 5 prime factors.
2 , 7 , 4 , 52 , 163 , 20 , 5314 , 526 , 88527 , 33492 , 648776 , 201632 , 6962889 , 1391030 , 64268124 , 25496076 , 803993325 , 63231539 , 3075549167 , 2895213567
n×2
42790832
n×3
64186248
n×4
85581664
n×5
106977080
n÷2
10697708
n÷3
7131805.3333333
n÷3
5348854
n÷5
4279083.2
n2
457763825813056
n3
9.7940474830219E+21
n4
2.0954772022301E+29
n5
4.4833606460228E+36
2 √n
4625.5179169472
3 √n
277.61328491597
4 √n
68.011160238208
5 √n
29.24584318624
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 382061 , 764122 , 1528244 , 2674427 , 3056488 , 5348854 , 10697708 , 21395416
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
-21395415
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 21395416 can be divided by 16 positive divisors.
The sum of these divisors (counting 21395416) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100111011111011000
3
Ternary
1111020222222211
4
Quaternary
1101213133120
5
Quinary
20434123131
6
Senary
2042324504
8
Octal
121473730
10
Decimal
21395416
12
Duodecimal
71b9734
16
Hexadecimal
14677d8
20
Vigesimal
6de8ag
36
Base36
cqkt4
md5
23a53cdfe084a2e1faae5a3fc2f4a609
sha1
5ae95afe59a3ca2904f5da4025bdcc34dadd10d8
sha256
aad3f2e2fc5c44228768a54d2fb2d54ce75717cc782705e5326f424d7807bd41
sha512
b80f478c3d900291a96cfca65a98687b9e3a0822c4fadabca496a8e8bf72864f90bfee84c023334cefe578e77bcb133f2c0df48ab557edee7da9e8512802d815
ripemd-160
bd9037d82269705eabbc05ee88ae3384d65e1ce9
Diameter
42790832
Circumference
134431363.4522
Area
1.4381074722535E+15
Volume
4.1025210162095E+22
Surface area
5.7524298890138E+15
Circumference
134431363.4522
Perimeter
85581664
Area
457763825813056
Diagonal
30257687.479814
Surface area
2746582954878336
Volume
9.7940474830219E+21
Space diagonal
37057947.561072
Perimeter
64186248
Area
1.9821755104383E+14
Altitude
18528973.780536
Surface area
1.9821755104383E+14
Volume
1.1542395650846E+21
Height
10085895.826605