20021239 is an odd 8-digits composite number following 20021238
and preceding 20021240 . In scientific notation, it is written as 2.0021239 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 17161056 positive integers (up to 20021239) that are relatively prime to 20021239.
20021239 has 4 divisors, whose sum is 22881424
The reverse of 20021239 is 93212002
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million twenty-one thousand two hundred thirty-nine
Scientific notation
2.0021239 × 10^7
Engineering notation
2.0021239 × 10^6
Prime Factorization
7 × 2860177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20021239
Product of the distinct prime numbers
The prime factorization of 20021239 is 7 × 2860177.
Since it has a total of 2 prime factors.
7 , 3 , 36 , 89 , 621 , 772 , 9528 , 4248 , 20104 , 58502 , 771196 , 756740 , 439325 , 9316745 , 77772342 , 69035977 , 556852220 , 285743431 , 3269672888 , 2518349387
n×2
40042478
n×3
60063717
n×4
80084956
n×5
100106195
n÷2
10010619.5
n÷3
6673746.3333333
n÷3
5005309.75
n÷5
4004247.8
n2
400850011095121
n3
8.0255138752881E+21
n4
1.6068073139496E+29
n5
3.2170273259533E+36
2 √n
4474.5099172982
3 √n
271.53781352635
4 √n
66.891777650906
5 √n
28.860123817282
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
-20021238
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 20021239 can be divided by 4 positive divisors.
The sum of these divisors (counting 20021239) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010111111111110111
3
Ternary
1101200011222101
4
Quaternary
1030113333313
5
Quinary
20111134424
6
Senary
1553042531
8
Octal
114277767
10
Decimal
20021239
12
Duodecimal
6856447
16
Hexadecimal
1317ff7
20
Vigesimal
652d1j
36
Base36
bx4hj
md5
de743e6c4700bdc088ff45158bc20bbf
sha1
c668646eb30ce5ea09bcc288179762222f5f6f86
sha256
8533ff38051423f434a4aa54d22d4f7328e88a3aa97762644a475df305a19d36
sha512
2c709e09ce30d9c9ff89ac739f05ed41072157a59a3403fe58d6d1b8070eb4329b5c0bf5ff9650bc42a114f56361fa43c4e59c24b106d1ee6ced23745753fcde
ripemd-160
6b1bbd867f6b355228cd91001785031cfad9227d
Diameter
40042478
Circumference
125797154.71633
Area
1.2593074500478E+15
Volume
3.3617193909184E+22
Surface area
5.0372298001913E+15
Circumference
125797154.71633
Perimeter
80084956
Area
400850011095121
Diagonal
28314307.729313
Surface area
2405100066570726
Volume
8.0255138752881E+21
Space diagonal
34677803.17848
Perimeter
60063717
Area
1.7357314635782E+14
Altitude
17338901.58924
Surface area
1.7357314635782E+14
Volume
9.4581588062049E+20
Height
9438102.5764377