20457729 is an odd 8-digits composite number following 20457728
and preceding 20457730 . In scientific notation, it is written as 2.0457729 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 13305600 positive integers (up to 20457729) that are relatively prime to 20457729.
20457729 has 8 divisors, whose sum is 23285640
The reverse of 20457729 is 92775402
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred fifty-seven thousand seven hundred twenty-nine
Scientific notation
2.0457729 × 10^7
Engineering notation
2.0457729 × 10^6
Prime Factorization
9 × 41 × 55441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20457729
Product of the distinct prime numbers
The prime factorization of 20457729 is 9 × 41 × 55441.
Since it has a total of 3 prime factors.
9 , 1 , 86 , 69 , 955 , 313 , 6062 , 1590 , 84634 , 44954 , 10736 , 612195 , 600991 , 791970 , 28409430 , 50300333 , 977055420 , 366077327 , 8132994033 , 7705913446
n×2
40915458
n×3
61373187
n×4
81830916
n×5
102288645
n÷2
10228864.5
n÷3
6819243
n÷3
5114432.25
n÷5
4091545.8
n2
418518675837441
n3
8.5619416517212E+21
n4
1.7515788202473E+29
n5
3.5833324826758E+36
2 √n
4523.0221091655
3 √n
273.49694134568
4 √n
67.253417081703
5 √n
28.984878502678
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
-20457728
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 20457729 can be divided by 8 positive divisors.
The sum of these divisors (counting 20457729) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000010100100000001
3
Ternary
1102111100201200
4
Quaternary
1032002210001
5
Quinary
20214121404
6
Senary
2010251413
8
Octal
116024401
10
Decimal
20457729
12
Duodecimal
6a26b69
16
Hexadecimal
1382901
20
Vigesimal
67h469
36
Base36
c6ha9
md5
19fba6b2fe221935d9ac849ac72cdecf
sha1
28a0f96f71c30c1562de998c48167a779120f226
sha256
351983d2f658de769f0a0fa9d19c765b73fdc3d1da0f6a400009da94932c7f0d
sha512
bd31fbde81dc0b98ee04f3575a296edf4977a4d9c213008397b7062e878059642123038e8ed8b4562e4f52227354c8ae8838f1e940bd2e9cff1556d38efee697
ripemd-160
cec11d10d261f113c7ce4ff4598700bc5308b42c
Diameter
40915458
Circumference
128539702.27106
Area
1.314815197401E+15
Volume
3.5864177324682E+22
Surface area
5.2592607896041E+15
Circumference
128539702.27106
Perimeter
81830916
Area
418518675837441
Diagonal
28931597.807153
Surface area
2511112055024646
Volume
8.5619416517212E+21
Space diagonal
35433826.035475
Perimeter
61373187
Area
1.8122390261672E+14
Altitude
17716913.017738
Surface area
1.8122390261672E+14
Volume
1.0090345003426E+21
Height
9643865.9357178