20000639 is an odd 8-digits composite number following 20000638
and preceding 20000640 . In scientific notation, it is written as 2.0000639 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 18844056 positive integers (up to 20000639) that are relatively prime to 20000639.
20000639 has 8 divisors, whose sum is 21183360
The reverse of 20000639 is 93600002
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million six hundred thirty-nine
Scientific notation
2.0000639 × 10^7
Engineering notation
2.0000639 × 10^6
Prime Factorization
23 × 67 × 12979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20000639
Product of the distinct prime numbers
The prime factorization of 20000639 is 23 × 67 × 12979.
Since it has a total of 3 prime factors.
9 , 8 , 64 , 56 , 796 , 892 , 9165 , 5110 , 51383 , 69314 , 77949 , 191528 , 9599972 , 3634700 , 41188494 , 87365251 , 16265268 , 216105323 , 7862788646 , 2338332718
n×2
40001278
n×3
60001917
n×4
80002556
n×5
100003195
n÷2
10000319.5
n÷3
6666879.6666667
n÷3
5000159.75
n÷5
4000127.8
n2
400025560408321
n3
8.0007668244995E+21
n4
1.6002044897999E+29
n5
3.2005112326667E+36
2 √n
4472.2073968008
3 √n
271.44465248347
4 √n
66.874564647561
5 √n
28.854182492836
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
-20000638
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 20000639 can be divided by 8 positive divisors.
The sum of these divisors (counting 20000639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010010111101111111
3
Ternary
1101122010201102
4
Quaternary
1030102331333
5
Quinary
20110010024
6
Senary
1552403315
8
Octal
114227577
10
Decimal
20000639
12
Duodecimal
684653b
16
Hexadecimal
1312f7f
20
Vigesimal
6501bj
36
Base36
bwolb
md5
3e58080344e01ad5ebe177f000ae9ca4
sha1
ac943abb5a0dac5cf2eb069173d3902e06068bba
sha256
78d8982f58405a5e99df056815d4d93a5279242b7fff4cb2de5b7438c7d5c1be
sha512
358711752419c1ecc75f1d0f2024d304029a28421424edfda74e01fca382f5846c05319a440d1818ef03dd1460cab26a5a06786fc8d919f795907700be7a73d0
ripemd-160
7e86abf03ba3d762a8d8581db78db3363a19407e
Diameter
40001278
Circumference
125667721.099
Area
1.2567173618269E+15
Volume
3.3513533705244E+22
Surface area
5.0268694473077E+15
Circumference
125667721.099
Perimeter
80002556
Area
400025560408321
Diagonal
28285174.929928
Surface area
2400153362449926
Volume
8.0007668244995E+21
Space diagonal
34642122.931844
Perimeter
60001917
Area
1.7321614873836E+14
Altitude
17321061.465922
Surface area
1.7321614873836E+14
Volume
9.42899412716E+20
Height
9428391.6433094