20679939 is an odd 8-digits composite number following 20679938
and preceding 20679940 . In scientific notation, it is written as 2.0679939 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 11121408 positive integers (up to 20679939) that are relatively prime to 20679939.
20679939 has 16 divisors, whose sum is 27806400
The reverse of 20679939 is 93997602
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million six hundred seventy-nine thousand nine hundred thirty-nine
Scientific notation
2.0679939 × 10^7
Engineering notation
2.0679939 × 10^6
Prime Factorization
9 × 17 × 7 × 19309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20679939
Product of the distinct prime numbers
The prime factorization of 20679939 is 9 × 17 × 7 × 19309.
Since it has a total of 4 prime factors.
9 , 4 , 75 , 31 , 720 , 776 , 4349 , 5235 , 70802 , 91053 , 28784 , 446971 , 8992886 , 9617868 , 15857417 , 8603625 , 619933603 , 776318686 , 3276188856 , 7858157787
n×2
41359878
n×3
62039817
n×4
82719756
n×5
103399695
n÷2
10339969.5
n÷3
6893313
n÷3
5169984.75
n÷5
4135987.8
n2
427659877043721
n3
8.8439801700117E+21
n4
1.8289297043305E+29
n5
3.7822154720843E+36
2 √n
4547.5200934136
3 √n
274.4836105556
4 √n
67.435303020106
5 √n
29.047572923933
1 , 7 , 9 , 17 , 63 , 119 , 153 , 1071 , 19309 , 135163 , 173781 , 328253 , 1216467 , 2297771 , 2954277 , 20679939
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
-20679938
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 20679939 can be divided by 16 positive divisors.
The sum of these divisors (counting 20679939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111000110100000011
3
Ternary
1102220122112200
4
Quaternary
1032320310003
5
Quinary
20243224224
6
Senary
2015124243
8
Octal
116706403
10
Decimal
20679939
12
Duodecimal
6b13683
16
Hexadecimal
13b8d03
20
Vigesimal
694jgj
36
Base36
cb8qr
md5
1fad64802067018bbf21dcd0e055b4e7
sha1
d8d216224cb948f3af0e208a5ffdc94f88520fcc
sha256
26ea9d4e117a81a8aa9328d93ac637a368013db6c3c6de00cadfcad2201a3220
sha512
23839c4ffae8cdafcae88552429cf3bfca2889bb42de049414ed2a2862f0f1d93d96eb3c19c25cb2dca9c780066dcac296f88d8b8255fc8b1343040d3ab7f876
ripemd-160
17cd039e55a05eb06e8817cb6099136d6d7a74a4
Diameter
41359878
Circumference
129935888.87817
Area
1.3435331279557E+15
Volume
3.704557750747E+22
Surface area
5.3741325118227E+15
Circumference
129935888.87817
Perimeter
82719756
Area
427659877043721
Diagonal
29245850.202848
Surface area
2565959262262326
Volume
8.8439801700117E+21
Space diagonal
35818705.045425
Perimeter
62039817
Area
1.851821588496E+14
Altitude
17909352.522713
Surface area
1.851821588496E+14
Volume
1.0422730584824E+21
Height
9748616.7342828