21702979 is an odd 8-digits composite number following 21702978
and preceding 21702980 . In scientific notation, it is written as 2.1702979 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 21116376 positive integers (up to 21702979) that are relatively prime to 21702979.
21702979 has 4 divisors, whose sum is 22289584
The reverse of 21702979 is 97920712
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million seven hundred two thousand nine hundred seventy-nine
Scientific notation
2.1702979 × 10^7
Engineering notation
2.1702979 × 10^6
Prime Factorization
37 × 586567
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21702979
Product of the distinct prime numbers
The prime factorization of 21702979 is 37 × 586567.
Since it has a total of 2 prime factors.
9 , 1 , 26 , 92 , 526 , 441 , 8102 , 8339 , 61142 , 49812 , 502068 , 180225 , 1840460 , 3754999 , 76087068 , 75834878 , 784980049 , 182779292 , 8237285170 , 5017591857
n×2
43405958
n×3
65108937
n×4
86811916
n×5
108514895
n÷2
10851489.5
n÷3
7234326.3333333
n÷3
5425744.75
n÷5
4340595.8
n2
471019297474441
n3
1.0222521921683E+22
n4
2.2185917859332E+29
n5
4.815005093968E+36
2 √n
4658.6456186321
3 √n
278.93720832693
4 √n
68.254271797684
5 √n
29.329446696222
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
-21702978
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 21702979 can be divided by 4 positive divisors.
The sum of these divisors (counting 21702979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110010100101000011
3
Ternary
1111211121220001
4
Quaternary
1102302211003
5
Quinary
21023443404
6
Senary
2053100431
8
Octal
122624503
10
Decimal
21702979
12
Duodecimal
7327717
16
Hexadecimal
14b2943
20
Vigesimal
6fch8j
36
Base36
cx64j
md5
9cdff8c7ebc4de1691ebcf1f1cfe9051
sha1
087b5165312c791dff251d60b901d1821b4c4524
sha256
c8c447a71f49ae7b0ac4762d21cdac89d60a76ce02d815d9c60dac35ef0c3cb7
sha512
41aaa8b44a6c20318745f0c710abffd2caf291c70075b987f882b52b7a2fbf49a5fa57b16b3f0df372e132cbd44b8de9a139121278d23399c733ed18c61a1912
ripemd-160
491e0f1a90b8b8096d3ef069a138674a966d088a
Diameter
43405958
Circumference
136363838.77483
Area
1.4797507646447E+15
Volume
4.2819999693758E+22
Surface area
5.9190030585789E+15
Circumference
136363838.77483
Perimeter
86811916
Area
471019297474441
Diagonal
30692647.245698
Surface area
2826115784846646
Volume
1.0222521921683E+22
Space diagonal
37590662.3036
Perimeter
65108937
Area
2.0395733864278E+14
Altitude
18795331.1518
Surface area
2.0395733864278E+14
Volume
1.2047357619416E+21
Height
10230882.415233