20102721 is an odd 8-digits composite number following 20102720
and preceding 20102722 . In scientific notation, it is written as 2.0102721 × 10^7.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 12559104 positive integers (up to 20102721) that are relatively prime to 20102721.
20102721 has 8 divisors, whose sum is 20585344
The reverse of 20102721 is 12720102
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred two thousand seven hundred twenty-one
Scientific notation
2.0102721 × 10^7
Engineering notation
2.0102721 × 10^6
Prime Factorization
51 × 277 × 1423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20102721
Product of the distinct prime numbers
The prime factorization of 20102721 is 51 × 277 × 1423.
Since it has a total of 3 prime factors.
7 , 4 , 12 , 77 , 342 , 274 , 3802 , 2416 , 24599 , 40991 , 272397 , 856105 , 6934343 , 3013778 , 41069868 , 47029279 , 338930922 , 286358210 , 1465159790 , 2824312927
n×2
40205442
n×3
60308163
n×4
80410884
n×5
100513605
n÷2
10051360.5
n÷3
6700907
n÷3
5025680.25
n÷5
4020544.2
n2
404119391603841
n3
8.1238993801018E+21
n4
1.6331248267026E+29
n5
3.2830252749375E+36
2 √n
4483.6058033685
3 √n
271.90568114577
4 √n
66.959732700844
5 √n
28.883576529332
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
-20102720
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 20102721 can be divided by 8 positive divisors.
The sum of these divisors (counting 20102721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101011111001000001
3
Ternary
1101211022202020
4
Quaternary
1030223321001
5
Quinary
20121241341
6
Senary
1554512053
8
Octal
114537101
10
Decimal
20102721
12
Duodecimal
6895629
16
Hexadecimal
132be41
20
Vigesimal
65cgg1
36
Base36
byvcx
md5
6aab8dc980f2bec68c0ce17258cc9441
sha1
a0e1d46028ff18d7eb0e0bb64fbac9fcff64d705
sha256
6f16638879443dbc282fb7a0336f56ed7b711fd89886e3139568440954423c26
sha512
cb3bf5ef946930fd0012e8c063e8dd8bf4632e4a58f8564a3cd9b0520a1d615dc4e5cf25751d2554709b665aa4ddd9c8b6df72a7289a0f8e909ddd00e5809397
ripemd-160
4b4596622e7fc86c76988ee693ef895c0ea4ec61
Diameter
40205442
Circumference
126309121.22153
Area
1.2695785118358E+15
Volume
3.402931014804E+22
Surface area
5.0783140473432E+15
Circumference
126309121.22153
Perimeter
80410884
Area
404119391603841
Diagonal
28429540.678802
Surface area
2424716349623046
Volume
8.1238993801018E+21
Space diagonal
34818934.142382
Perimeter
60308163
Area
1.7498882964542E+14
Altitude
17409467.071191
Surface area
1.7498882964542E+14
Volume
9.5741072355786E+20
Height
9476513.5596008