20949982 is an even 8-digits composite number following 20949981
and preceding 20949983 . In scientific notation, it is written as 2.0949982 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 10466400 positive integers (up to 20949982) that are relatively prime to 20949982.
20949982 has 8 divisors, whose sum is 31450752
The reverse of 20949982 is 28994902
Previous prime number is 7121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred forty-nine thousand nine hundred eighty-two
Scientific notation
2.0949982 × 10^7
Engineering notation
2.0949982 × 10^6
Prime Factorization
2 × 7121 × 1471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20949982
Product of the distinct prime numbers
The prime factorization of 20949982 is 2 × 7121 × 1471.
Since it has a total of 3 prime factors.
4 , 4 , 7 , 9 , 774 , 879 , 5892 , 9700 , 39876 , 70787 , 559434 , 707179 , 4960685 , 1549099 , 11026585 , 90184053 , 391823844 , 62207873 , 3481000621 , 6507221760
n×2
41899964
n×3
62849946
n×4
83799928
n×5
104749910
n÷2
10474991
n÷3
6983327.3333333
n÷3
5237495.5
n÷5
4189996.4
n2
438901745800324
n3
9.1949836742854E+21
n4
1.9263474246657E+29
n5
4.0356943872493E+36
2 √n
4577.1150302347
3 √n
275.67320244031
4 √n
67.654379239149
5 √n
29.123041617629
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
-20949981
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 20949982 can be divided by 8 positive divisors.
The sum of these divisors (counting 20949982) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111010101111011110
3
Ternary
1110102100222021
4
Quaternary
1033322233132
5
Quinary
20330344412
6
Senary
2025010354
8
Octal
117725736
10
Decimal
20949982
12
Duodecimal
70239ba
16
Hexadecimal
13fabde
20
Vigesimal
6aiej2
36
Base36
ch13y
md5
b2e4e52f5a4592ba2d531d64f2fa15d9
sha1
1f9d0be0e725a50a4aefe8050994415e5069c90f
sha256
57808d8269a5610a226092f557268b7550e70eb5300c991f0832e7b72b5faef8
sha512
8f73ba1be6aa3ffc91504d13be465b3838c103187f51ec957299fdda507eb6c093f7c4a6c416e53903ed4b220b71f8106f63a646942558b6a4d07729c1617df7
ripemd-160
6b1258cc006bc4adf2529d5b40135a8b034a8035
Diameter
41899964
Circumference
131632619.08808
Area
1.378850500254E+15
Volume
3.8515857548017E+22
Surface area
5.5154020010161E+15
Circumference
131632619.08808
Perimeter
83799928
Area
438901745800324
Diagonal
29627748.675872
Surface area
2633410474801944
Volume
9.1949836742854E+21
Space diagonal
36286433.241653
Perimeter
62849946
Area
1.9005003081421E+14
Altitude
18143216.620827
Surface area
1.9005003081421E+14
Volume
1.0836392181645E+21
Height
9875916.2252907