20021439 is an odd 8-digits composite number following 20021438
and preceding 20021440 . In scientific notation, it is written as 2.0021439 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13095680 positive integers (up to 20021439) that are relatively prime to 20021439.
20021439 has 8 divisors, whose sum is 27199152
The reverse of 20021439 is 93412002
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million twenty-one thousand four hundred thirty-nine
Scientific notation
2.0021439 × 10^7
Engineering notation
2.0021439 × 10^6
Prime Factorization
3 × 53 × 125921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20021439
Product of the distinct prime numbers
The prime factorization of 20021439 is 3 × 53 × 125921.
Since it has a total of 3 prime factors.
7 , 6 , 79 , 18 , 21 , 774 , 2486 , 2896 , 44318 , 81919 , 16795 , 216081 , 8172243 , 3353485 , 99291224 , 5830114 , 386806212 , 750375932 , 3830200938 , 7955723538
n×2
40042878
n×3
60064317
n×4
80085756
n×5
100107195
n÷2
10010719.5
n÷3
6673813
n÷3
5005359.75
n÷5
4004287.8
n2
400858019630721
n3
8.0257543876973E+21
n4
1.6068715190226E+29
n5
3.2171880098949E+36
2 √n
4474.5322660587
3 √n
271.5387176892
4 √n
66.891944702323
5 √n
28.860181476069
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
-20021438
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 20021439 can be divided by 8 positive divisors.
The sum of these divisors (counting 20021439) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011000000010111111
3
Ternary
1101200012020210
4
Quaternary
1030120002333
5
Quinary
20111141224
6
Senary
1553043503
8
Octal
114300277
10
Decimal
20021439
12
Duodecimal
6856593
16
Hexadecimal
13180bf
20
Vigesimal
652dbj
36
Base36
bx4n3
md5
ae4f46807525fe9d1d23dde0a492b81e
sha1
9fd4d0f705d359942b6a6b03b16b937c071be82d
sha256
794a97cc5082a24f9cac8277aaeaba32f8f97013bb6a4f953a0c0c77753068ae
sha512
bd3d91c4d962fa4647d897481d79b46f73d7f42517f925ce45023ca7d0a00e361fdf966d0f971f2d59a61b72af0156c3d8f44a4c7d5f8006cc412f12bae45c22
ripemd-160
da4f25b8c1ad37e552e7a7c00c99fb6a1e4c3c3c
Diameter
40042878
Circumference
125798411.35339
Area
1.2593326096044E+15
Volume
3.3618201365208E+22
Surface area
5.0373304384177E+15
Circumference
125798411.35339
Perimeter
80085756
Area
400858019630721
Diagonal
28314590.572026
Surface area
2405148117784326
Volume
8.0257543876973E+21
Space diagonal
34678149.588641
Perimeter
60064317
Area
1.7357661415546E+14
Altitude
17339074.794321
Surface area
1.7357661415546E+14
Volume
9.4584422527974E+20
Height
9438196.8573419