20451729 is an odd 8-digits composite number following 20451728
and preceding 20451730 . In scientific notation, it is written as 2.0451729 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13634484 positive integers (up to 20451729) that are relatively prime to 20451729.
20451729 has 4 divisors, whose sum is 27268976
The reverse of 20451729 is 92715402
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred fifty-one thousand seven hundred twenty-nine
Scientific notation
2.0451729 × 10^7
Engineering notation
2.0451729 × 10^6
Prime Factorization
3 × 6817243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20451729
Product of the distinct prime numbers
The prime factorization of 20451729 is 3 × 6817243.
Since it has a total of 2 prime factors.
2 , 5 , 58 , 59 , 759 , 667 , 47 , 3511 , 1270 , 59682 , 749015 , 15696 , 8645745 , 7958685 , 95154890 , 94344958 , 794784940 , 884136348 , 1066118131 , 8756133663
n×2
40903458
n×3
61355187
n×4
81806916
n×5
102258645
n÷2
10225864.5
n÷3
6817243
n÷3
5112932.25
n÷5
4090345.8
n2
418273219089441
n3
8.5544105247749E+21
n4
1.7495248580744E+29
n5
3.5780808276102E+36
2 √n
4522.3587871818
3 √n
273.47020096961
4 √n
67.2484853895
5 √n
28.983178121596
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
-20451728
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 20451729 can be divided by 4 positive divisors.
The sum of these divisors (counting 20451729) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000001000110010001
3
Ternary
1102111001111110
4
Quaternary
1032001012101
5
Quinary
20213423404
6
Senary
2010203533
8
Octal
116010621
10
Decimal
20451729
12
Duodecimal
6a235a9
16
Hexadecimal
1381191
20
Vigesimal
67g969
36
Base36
c6cnl
md5
5d2e72ab5090718c2b81d5a5c1060aa9
sha1
97c6bcc99da8ab822cbf6581096cfafd77b51a96
sha256
8c749b6798877efbaf82191900ccbc11b72c7472e12e972d76c9844760156c1f
sha512
9e4df39e4fb13b6e17f7fc205f20dd4c0b2debd38d4977a82a5e7c383e130de0677bed635ce6398d67bce0533df40579281766080eac32b447bc399c9368a061
ripemd-160
50472733429b94905134b5f67a25c254700400a7
Diameter
40903458
Circumference
128502003.15922
Area
1.3140440722847E+15
Volume
3.5832631013899E+22
Surface area
5.256176289139E+15
Circumference
128502003.15922
Perimeter
81806916
Area
418273219089441
Diagonal
28923112.525779
Surface area
2509639314536646
Volume
8.5544105247749E+21
Space diagonal
35423433.73063
Perimeter
61355187
Area
1.8111761672708E+14
Altitude
17711716.865315
Surface area
1.8111761672708E+14
Volume
1.0081469485203E+21
Height
9641037.508593