20729215 is an odd 8-digits composite number following 20729214
and preceding 20729216 . In scientific notation, it is written as 2.0729215 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 15307680 positive integers (up to 20729215) that are relatively prime to 20729215.
20729215 has 8 divisors, whose sum is 26788608
The reverse of 20729215 is 51292702
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred twenty-nine thousand two hundred fifteen
Scientific notation
2.0729215 × 10^7
Engineering notation
2.0729215 × 10^6
Prime Factorization
5 × 13 × 318911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20729215
Product of the distinct prime numbers
The prime factorization of 20729215 is 5 × 13 × 318911.
Since it has a total of 3 prime factors.
7 , 4 , 17 , 86 , 300 , 67 , 1372 , 7040 , 18304 , 27702 , 573134 , 568279 , 3633565 , 4914153 , 78121855 , 9818036 , 627265668 , 694561841 , 5305692855 , 5392938781
n×2
41458430
n×3
62187645
n×4
82916860
n×5
103646075
n÷2
10364607.5
n÷3
6909738.3333333
n÷3
5182303.75
n÷5
4145843
n2
429700354516225
n3
8.907351034343E+21
n4
1.8464239467137E+29
n5
3.8274918972577E+36
2 √n
4552.9347678173
3 √n
274.70145010547
4 √n
67.475438255838
5 √n
29.061402615678
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
-20729214
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 20729215 can be divided by 8 positive divisors.
The sum of these divisors (counting 20729215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000100110101111111
3
Ternary
1110000011010201
4
Quaternary
1033010311333
5
Quinary
20301313330
6
Senary
2020144331
8
Octal
117046577
10
Decimal
20729215
12
Duodecimal
6b380a7
16
Hexadecimal
13c4d7f
20
Vigesimal
69b30f
36
Base36
ccarj
md5
113e356a4f11a85d90b5dda192d9bb41
sha1
135c0a3aa124bfd0b8a8e725991a62c57fd72623
sha256
ef8ea359e3f90fe6cd12c943e2ef853460d145025d67d126c4f627bdbfaab667
sha512
00a372a54b6341c9873e43d7bb5c4d11141b6ba09d4dda2d552b8ee26e9d2b129595e7e66accc8f0b25f7d95e2802b0b4611d95e5cfee08233e38d806a263578
ripemd-160
84899a236e57f1cc5e50d91c83a226b3155272cc
Diameter
41458430
Circumference
130245499.11737
Area
1.3499434769931E+15
Volume
3.731102476325E+22
Surface area
5.3997739079724E+15
Circumference
130245499.11737
Perimeter
82916860
Area
429700354516225
Diagonal
29315536.990348
Surface area
2578202127097350
Volume
8.907351034343E+21
Space diagonal
35904053.581019
Perimeter
62187645
Area
1.8606571151312E+14
Altitude
17952026.790509
Surface area
1.8606571151312E+14
Volume
1.0497413864655E+21
Height
9771845.6634493