642109279 is an odd 9-digits composite number following 642109278
and preceding 642109280 . In scientific notation, it is written as 6.42109279 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 538965504 positive integers (up to 642109279) that are relatively prime to 642109279.
642109279 has 16 divisors, whose sum is 742090752
The reverse of 642109279 is 972901246
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred forty-two million one hundred nine thousand two hundred seventy-nine
Scientific notation
6.42109279 × 10^8
Engineering notation
6.42109279 × 10^6
Prime Factorization
7 × 623 × 113 × 1303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642109279
Product of the distinct prime numbers
The prime factorization of 642109279 is 7 × 623 × 113 × 1303.
Since it has a total of 4 prime factors.
2 , 2 , 70 , 82 , 305 , 643 , 7915 , 6500 , 33338 , 78184 , 369379 , 210687 , 5120917 , 8734137 , 58036645 , 35161685 , 743413205 , 676455778 , 2885665254 , 5197483379
n×2
1284218558
n×3
1926327837
n×4
2568437116
n×5
3210546395
n÷2
321054639.5
n÷3
214036426.33333
n÷3
160527319.75
n÷5
128421855.8
n2
412304326177899841
n3
2.6474443361067E+26
n4
1.6999485738501E+35
n5
1.091552753092E+44
2 √n
25339.875275936
3 √n
862.71956782008
4 √n
159.18503471098
5 √n
57.745984397161
1 , 7 , 113 , 623 , 791 , 1303 , 4361 , 9121 , 70399 , 147239 , 492793 , 811769 , 1030673 , 5682383 , 91729897 , 642109279
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642109278
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642109279 can be divided by 16 positive divisors.
The sum of these divisors (counting 642109279) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001011100111101011111
3
Ternary
1122202020112100011
4
Quaternary
212101130331133
5
Quinary
2303334444104
6
Senary
143414344051
8
Octal
4621347537
10
Decimal
642109279
12
Duodecimal
15b05b027
16
Hexadecimal
2645cf5f
20
Vigesimal
a0d3d3j
36
Base36
amamov
md5
4adedfb0406e0d8ffdfb36355d022425
sha1
8a422960e80973cc5e78981c25b2d3c43f9d3c3b
sha256
b2ab0bd894ebef320d17abcb440527501ffe717cf58522db55176948440b8a78
sha512
acc6419b709b14bd79fdb0f6c325f4d5c7e7b13f7b419423ea02001698d70c3db9d8eacff73569327a3590403fde66598870fae3466fc48de1eafd9664c076d0
ripemd-160
7b7c5d264e7962e73d462317be9083d82b711542
Diameter
1284218558
Circumference
4034491587.4165
Area
1.2952922421638E+18
Volume
1.1089588902801E+27
Surface area
5.1811689686551E+18
Circumference
4034491587.4165
Perimeter
2568437116
Area
412304326177899841
Diagonal
908079650.88741
Surface area
2473825957067399046
Volume
2.6474443361067E+26
Space diagonal
1112165895.2394
Perimeter
1926327837
Area
1.7853301028014E+17
Altitude
556082947.61971
Surface area
1.7853301028014E+17
Volume
3.1200430714583E+25
Height
302693216.96247