20172872 is an even 8-digits composite number following 20172871
and preceding 20172873 . In scientific notation, it is written as 2.0172872 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 10086432 positive integers (up to 20172872) that are relatively prime to 20172872.
20172872 has 8 divisors, whose sum is 37824150
The reverse of 20172872 is 27827102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred seventy-two thousand eight hundred seventy-two
Scientific notation
2.0172872 × 10^7
Engineering notation
2.0172872 × 10^6
Prime Factorization
2 × 2 × 2 × 2521609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5043218
Product of the distinct prime numbers
The prime factorization of 20172872 is 2 × 2 × 2 × 2521609.
Since it has a total of 4 prime factors.
10 , 8 , 15 , 36 , 683 , 489 , 989 , 699 , 74977 , 94554 , 528451 , 765119 , 2205579 , 2698221 , 38985007 , 19782611 , 536675995 , 40222718 , 1571550353 , 4615813736
n×2
40345744
n×3
60518616
n×4
80691488
n×5
100864360
n÷2
10086436
n÷3
6724290.6666667
n÷3
5043218
n÷5
4034574.4
n2
406944764728384
n3
8.2092446499358E+21
n4
1.6560404153984E+29
n5
3.3407091326659E+36
2 √n
4491.4220465238
3 √n
272.22159709854
4 √n
67.018072536621
5 √n
28.903707032014
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
-20172871
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 20172872 can be divided by 8 positive divisors.
The sum of these divisors (counting 20172872) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111101000001001000
3
Ternary
1101221212222102
4
Quaternary
1030331001020
5
Quinary
20131012442
6
Senary
2000212532
8
Octal
114750110
10
Decimal
20172872
12
Duodecimal
690a148
16
Hexadecimal
133d048
20
Vigesimal
661c3c
36
Base36
c0dhk
md5
4fe4f1abfe8fbf9751581e1d8a2756c0
sha1
8047635bf6611f983e7300a0424a5b36cd522f72
sha256
4c871590f9665efd30f66691659a9d38e13c6beea2a060f5cf1e0e2f88593fe7
sha512
bbb30c465a6f101c8a9ddc2d84f6da42d552ca6cdb2ee17a4d9efd9651828c2169b4483fbde88ce688cb85d605d42b1997c813dfb8362d1931de326eb7febb09
ripemd-160
bf09c0eb417b721220e9049b9c05e2e6481e5b8f
Diameter
40345744
Circumference
126749892.95401
Area
1.2784546832875E+15
Volume
3.4386803578346E+22
Surface area
5.1138187331501E+15
Circumference
126749892.95401
Perimeter
80691488
Area
406944764728384
Diagonal
28528749.174416
Surface area
2441668588370304
Volume
8.2092446499358E+21
Space diagonal
34940439.238584
Perimeter
60518616
Area
1.7621225209593E+14
Altitude
17470219.619292
Surface area
1.7621225209593E+14
Volume
9.6746876006483E+20
Height
9509583.0581388