20979428 is an even 8-digits composite number following 20979427
and preceding 20979429 . In scientific notation, it is written as 2.0979428 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 9872640 positive integers (up to 20979428) that are relatively prime to 20979428.
20979428 has 12 divisors, whose sum is 38873772
The reverse of 20979428 is 82497902
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred seventy-nine thousand four hundred twenty-eight
Scientific notation
2.0979428 × 10^7
Engineering notation
2.0979428 × 10^6
Prime Factorization
2 × 2 × 17 × 308521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10489714
Product of the distinct prime numbers
The prime factorization of 20979428 is 2 × 2 × 17 × 308521.
Since it has a total of 4 prime factors.
5 , 7 , 79 , 77 , 154 , 949 , 7118 , 3574 , 74463 , 89102 , 860328 , 19637 , 8080407 , 7117911 , 25206801 , 26481928 , 877410629 , 589381637 , 9103276233 , 3031133134
n×2
41958856
n×3
62938284
n×4
83917712
n×5
104897140
n÷2
10489714
n÷3
6993142.6666667
n÷3
5244857
n÷5
4195885.6
n2
440136399207184
n3
9.2338098973464E+21
n4
1.9372004990707E+29
n5
4.0641358391817E+36
2 √n
4580.3305557569
3 √n
275.80229838172
4 √n
67.678139422984
5 √n
29.131223728315
1 , 2 , 4 , 17 , 34 , 68 , 308521 , 617042 , 1234084 , 5244857 , 10489714 , 20979428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20979427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20979428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20979428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000001111011100100
3
Ternary
1110110212100212
4
Quaternary
1100001323210
5
Quinary
20332320203
6
Senary
2025354552
8
Octal
120017344
10
Decimal
20979428
12
Duodecimal
7038a58
16
Hexadecimal
1401ee4
20
Vigesimal
6b28b8
36
Base36
chntw
md5
ead8b76766ad759b6926f9be9721c369
sha1
cba1d9b1f865591e74da93e5a5fdc2b4ecd8e56b
sha256
1cd768ddd54711849edc247d01e4095dda5818ced5a4c443aee29f9b7c51aceb
sha512
1a14c080bd81d8f1f5b04c5898c9638921b351ff1d438540b61c42bc34ad6da06264ddd32befb416339c9597819e78d8a066eadbc08fcc313db6845656e5fe96
ripemd-160
7c28b710b2a0782b7e60357e1f5dae52806c76d1
Diameter
41958856
Circumference
131817633.76263
Area
1.3827292783268E+15
Volume
3.8678492450864E+22
Surface area
5.530917113307E+15
Circumference
131817633.76263
Perimeter
83917712
Area
440136399207184
Diagonal
29669391.60843
Surface area
2640818395243104
Volume
9.2338098973464E+21
Space diagonal
36337435.209733
Perimeter
62938284
Area
1.9058465142182E+14
Altitude
18168717.604867
Surface area
1.9058465142182E+14
Volume
1.0882149324335E+21
Height
9889797.20281