20684993 is an odd 8-digits composite number following 20684992
and preceding 20684994 . In scientific notation, it is written as 2.0684993 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 17685360 positive integers (up to 20684993) that are relatively prime to 20684993.
20684993 has 8 divisors, whose sum is 23699520
The reverse of 20684993 is 39948602
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million six hundred eighty-four thousand nine hundred ninety-three
Scientific notation
2.0684993 × 10^7
Engineering notation
2.0684993 × 10^6
Prime Factorization
7 × 421 × 7019
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20684993
Product of the distinct prime numbers
The prime factorization of 20684993 is 7 × 421 × 7019.
Since it has a total of 3 prime factors.
3 , 1 , 82 , 75 , 854 , 855 , 7066 , 7891 , 65329 , 97997 , 315279 , 884731 , 4046839 , 3864023 , 63443020 , 70534848 , 965713634 , 663635248 , 2613994151 , 9962391133
n×2
41369986
n×3
62054979
n×4
82739972
n×5
103424965
n÷2
10342496.5
n÷3
6894997.6666667
n÷3
5171248.25
n÷5
4136998.6
n2
427868935410049
n3
8.8504659338743E+21
n4
1.8307182588893E+29
n5
3.7868394370097E+36
2 √n
4548.0757469506
3 √n
274.50596921557
4 √n
67.439422795206
5 √n
29.048992580774
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
-20684992
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 20684993 can be divided by 8 positive divisors.
The sum of these divisors (counting 20684993) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010000011000001
3
Ternary
1102220220110212
4
Quaternary
1032322003001
5
Quinary
20243404433
6
Senary
2015203505
8
Octal
116720301
10
Decimal
20684993
12
Duodecimal
6b16595
16
Hexadecimal
13ba0c1
20
Vigesimal
695c9d
36
Base36
cbcn5
md5
ae6f3c1640e3117db2cb10a5e119df1a
sha1
ed5878fdb7b518a39ef20c24d2141c7768c2eeda
sha256
83417f529147f3b8c2e4f669b24903ab3a96fb5ebab5d1590862ef5c8e163ded
sha512
5e46a4a8c497505ffc265329e8bc4ad69fef6788101e26c3239ba089fbe41e99bbfa9ab2e66211f0e3fed2ac26e14dd8777d620640aead2af2c8176eb77a22b6
ripemd-160
aef4c3762daf7976f93b2a0ad7b227f152c64c88
Diameter
41369986
Circumference
129967644.09671
Area
1.3441899041835E+15
Volume
3.7072745011608E+22
Surface area
5.376759616734E+15
Circumference
129967644.09671
Perimeter
82739972
Area
427868935410049
Diagonal
29252997.638193
Surface area
2567213612460294
Volume
8.8504659338743E+21
Space diagonal
35827458.830207
Perimeter
62054979
Area
1.8527268377765E+14
Altitude
17913729.415103
Surface area
1.8527268377765E+14
Volume
1.0430374130838E+21
Height
9750999.2127308