20172979 is an odd 8-digits prime number following 20172978
and preceding 20172980 . In scientific notation, it is written as 2.0172979 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20172978 positive integers (up to 20172979) that are relatively prime to 20172979.
20172979 has 2 divisors, whose sum is 20172980
The reverse of 20172979 is 97927102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred seventy-two thousand nine hundred seventy-nine
Scientific notation
2.0172979 × 10^7
Engineering notation
2.0172979 × 10^6
Prime Factorization
20172979
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20172979
Product of the distinct prime numbers
The prime factorization of 20172979 is 20172979.
Since it has a total of 1 prime factors.
2 , 6 , 46 , 100 , 332 , 711 , 1671 , 4175 , 95045 , 19588 , 516720 , 990387 , 6583351 , 63155 , 63225088 , 92473076 , 539674824 , 408613957 , 3025558957 , 1426939908
n×2
40345958
n×3
60518937
n×4
80691916
n×5
100864895
n÷2
10086489.5
n÷3
6724326.3333333
n÷3
5043244.75
n÷5
4034595.8
n2
406949081734441
n3
8.2093752798982E+21
n4
1.656075551245E+29
n5
3.340797731768E+36
2 √n
4491.4339581029
3 √n
272.22207839936
4 √n
67.018161404972
5 √n
28.903737693886
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20172980
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10086490
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4491.4340694259
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999008575
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20172979 can be divided by 2 positive divisors.
The sum of these divisors (counting 20172979) is 20172980, the average is 10086490.
Base
System
Value
2
Binary
1001100111101000010110011
3
Ternary
1101221220010101
4
Quaternary
1030331002303
5
Quinary
20131013404
6
Senary
2000213231
8
Octal
114750263
10
Decimal
20172979
12
Duodecimal
690a217
16
Hexadecimal
133d0b3
20
Vigesimal
661c8j
36
Base36
c0dkj
md5
bcfc8931f4b3b7a21f335b8a58e4e3c6
sha1
1fad1eeccab70a7a20b98beed821e17bedc5e0ff
sha256
0b72a68a33825593ae6e5f45ea5a3b4cf9f02ea5633174095b9a4a66d8bfb679
sha512
b83d46f9580fad8036b6210e7d1e8d6d2558cf37d9c15e4a7d6e21f7c9759c40f515b3a1bbcf5cf5ca759b5e7d0284b62ee510dd91b78b6add7b07b7f8f1bfc7
ripemd-160
4cf897caadc105f249bb9b0b02bedf523b00d572
Diameter
40345958
Circumference
126750565.25484
Area
1.278468245562E+15
Volume
3.4387350759853E+22
Surface area
5.1138729822481E+15
Circumference
126750565.25484
Perimeter
80691916
Area
406949081734441
Diagonal
28528900.495268
Surface area
2441694490406646
Volume
8.2093752798982E+21
Space diagonal
34940624.56802
Perimeter
60518937
Area
1.7621412141439E+14
Altitude
17470312.28401
Surface area
1.7621412141439E+14
Volume
9.6748415495353E+20
Height
9509633.4984225