20431639 is an odd 8-digits prime number following 20431638
and preceding 20431640 . In scientific notation, it is written as 2.0431639 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20431638 positive integers (up to 20431639) that are relatively prime to 20431639.
20431639 has 2 divisors, whose sum is 20431640
The reverse of 20431639 is 93613402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred thirty-one thousand six hundred thirty-nine
Scientific notation
2.0431639 × 10^7
Engineering notation
2.0431639 × 10^6
Prime Factorization
20431639
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20431639
Product of the distinct prime numbers
The prime factorization of 20431639 is 20431639.
Since it has a total of 1 prime factors.
5 , 2 , 47 , 5 , 952 , 503 , 5106 , 9190 , 30175 , 61958 , 997610 , 956081 , 5403252 , 4365386 , 74165567 , 79875708 , 613105119 , 385834227 , 337722273 , 7131742944
n×2
40863278
n×3
61294917
n×4
81726556
n×5
102158195
n÷2
10215819.5
n÷3
6810546.3333333
n÷3
5107909.75
n÷5
4086327.8
n2
417451872226321
n3
8.5292259532023E+21
n4
1.7426606562526E+29
n5
3.5605413428056E+36
2 √n
4520.1370554442
3 √n
273.38062718561
4 √n
67.231964536552
5 √n
28.97748177218
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20431640
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10215820
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4520.1371660603
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999021126
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20431639 can be divided by 2 positive divisors.
The sum of these divisors (counting 20431639) is 20431640, the average is 10215820.
Base
System
Value
2
Binary
1001101111100001100010111
3
Ternary
1102110000221101
4
Quaternary
1031330030113
5
Quinary
20212303024
6
Senary
2005530531
8
Octal
115741427
10
Decimal
20431639
12
Duodecimal
6a13a47
16
Hexadecimal
137c317
20
Vigesimal
67dj1j
36
Base36
c5x5j
md5
46d7c530c46b623029666b10efdf7683
sha1
6d640c24475f93a725856181617c5b6d248ada32
sha256
60dba1c1ce78421fb760f0154d452dcbd2e53499832c9231853379e24e636853
sha512
ef292d93ce2f475883a2568133fd500b4aca97d733479060625c40f91a4499728dc6b1cc94f03db24e2cbe5545cd728f1ebfc83546ff0c728de6ef1ef812a9b1
ripemd-160
13f3fa645e1b838007cc0d7830b5cbfc105c95be
Diameter
40863278
Circumference
128375773.9664
Area
1.3114637350135E+15
Volume
3.5727138127184E+22
Surface area
5.2458549400541E+15
Circumference
128375773.9664
Perimeter
81726556
Area
417451872226321
Diagonal
28894700.975311
Surface area
2504711233357926
Volume
8.5292259532023E+21
Space diagonal
35388636.829906
Perimeter
61294917
Area
1.8076196310268E+14
Altitude
17694318.414953
Surface area
1.8076196310268E+14
Volume
1.0051789182969E+21
Height
9631566.9917704