20011979 is an odd 8-digits composite number following 20011978
and preceding 20011980 . In scientific notation, it is written as 2.0011979 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 18396000 positive integers (up to 20011979) that are relatively prime to 20011979.
20011979 has 8 divisors, whose sum is 21640752
The reverse of 20011979 is 97911002
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million eleven thousand nine hundred seventy-nine
Scientific notation
2.0011979 × 10^7
Engineering notation
2.0011979 × 10^6
Prime Factorization
251 × 13 × 6133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20011979
Product of the distinct prime numbers
The prime factorization of 20011979 is 251 × 13 × 6133.
Since it has a total of 3 prime factors.
10 , 1 , 90 , 43 , 118 , 763 , 1796 , 2599 , 63172 , 25590 , 740715 , 30065 , 7916745 , 3302740 , 99803286 , 5319672 , 493066743 , 227761873 , 6800396434 , 4947969534
n×2
40023958
n×3
60035937
n×4
80047916
n×5
100059895
n÷2
10005989.5
n÷3
6670659.6666667
n÷3
5002994.75
n÷5
4002395.8
n2
400479303496441
n3
8.0143834115054E+21
n4
1.6038367252899E+29
n5
3.2095946865931E+36
2 √n
4473.4750474324
3 √n
271.4959441911
4 √n
66.884041799463
5 √n
28.857453710787
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
-20011978
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 20011979 can be divided by 8 positive divisors.
The sum of these divisors (counting 20011979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010101101111001011
3
Ternary
1101122201021102
4
Quaternary
1030111233023
5
Quinary
20110340404
6
Senary
1552532015
8
Octal
114255713
10
Decimal
20011979
12
Duodecimal
685100b
16
Hexadecimal
1315bcb
20
Vigesimal
6519ij
36
Base36
bwxcb
md5
fe057e533e5dd7c836a0b98efc7efabf
sha1
eb68e6fd9a160f291d6b4d935db3e19acba77574
sha256
4ceb4f65e397e5cf34da14c40e5bf24c09cd6ad1cf3444598235aadeef465da3
sha512
74d5f2df4ab0bd40c7ebf7c673e4a74c068df8371b738bcbfa8a37307d12436f2704d8b1596462ba7e41d59ca054126d7b1913ea1f303df61a1d079cdc15d669
ripemd-160
436a46eb19f2960c34c820c610e428fc63b3291b
Diameter
40023958
Circumference
125738972.42039
Area
1.2581428377792E+15
Volume
3.3570570731516E+22
Surface area
5.0325713511167E+15
Circumference
125738972.42039
Perimeter
80047916
Area
400479303496441
Diagonal
28301212.111726
Surface area
2402875820978646
Volume
8.0143834115054E+21
Space diagonal
34661764.388001
Perimeter
60035937
Area
1.7341262525891E+14
Altitude
17330882.194001
Surface area
1.7341262525891E+14
Volume
9.4450414288407E+20
Height
9433737.3705752