20109979 is an odd 8-digits composite number following 20109978
and preceding 20109980 . In scientific notation, it is written as 2.0109979 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 19461240 positive integers (up to 20109979) that are relatively prime to 20109979.
20109979 has 4 divisors, whose sum is 20758720
The reverse of 20109979 is 97990102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred nine thousand nine hundred seventy-nine
Scientific notation
2.0109979 × 10^7
Engineering notation
2.0109979 × 10^6
Prime Factorization
31 × 648709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20109979
Product of the distinct prime numbers
The prime factorization of 20109979 is 31 × 648709.
Since it has a total of 2 prime factors.
1 , 1 , 42 , 88 , 168 , 440 , 6680 , 6508 , 60378 , 48917 , 289341 , 684891 , 6238113 , 7242804 , 47317983 , 42483844 , 406364028 , 87493711 , 7347283065 , 8191744360
n×2
40219958
n×3
60329937
n×4
80439916
n×5
100549895
n÷2
10054989.5
n÷3
6703326.3333333
n÷3
5027494.75
n÷5
4021995.8
n2
404411255380441
n3
8.1327018530643E+21
n4
1.6354846347838E+29
n5
3.2889561660326E+36
2 √n
4484.4151235139
3 √n
271.93840066293
4 √n
66.965775762802
5 √n
28.885661886131
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
-20109978
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 20109979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20109979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101101101010011011
3
Ternary
1101211200201001
4
Quaternary
1030231222123
5
Quinary
20122004404
6
Senary
1555005431
8
Octal
114555233
10
Decimal
20109979
12
Duodecimal
6899877
16
Hexadecimal
132da9b
20
Vigesimal
65deij
36
Base36
bz0yj
md5
445b99b9093becdfc12a3d4244696b79
sha1
eb531f77d548752286a626b9e54a7e45a87a54f4
sha256
1d12d5f44f1d0d9877d5b11994ca102f0287d373f15765d971be34125f9b0d31
sha512
8cccf188864575a28dceaa022be5cb567bc859eaadb172946877668f1a5885becd02cea3fbbeab549e87af58d5d0667c0e10bdeaa280d44115d71dd13e3d9146
ripemd-160
7c766b874e0474ed4a1c206c3a47f11c5a4b9fcb
Diameter
40219958
Circumference
126354724.58049
Area
1.2704954289322E+15
Volume
3.4066181860564E+22
Surface area
5.0819817157289E+15
Circumference
126354724.58049
Perimeter
80439916
Area
404411255380441
Diagonal
28439805.040838
Surface area
2426467532282646
Volume
8.1327018530643E+21
Space diagonal
34831505.367143
Perimeter
60329937
Area
1.7511521036791E+14
Altitude
17415752.683572
Surface area
1.7511521036791E+14
Volume
9.5844810494503E+20
Height
9479935.0136127