642730906 is an even 9-digits composite number following 642730905
and preceding 642730907 . In scientific notation, it is written as 6.42730906 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 307106800 positive integers (up to 642730906) that are relatively prime to 642730906.
642730906 has 16 divisors, whose sum is 1006950528
The reverse of 642730906 is 609037246
Previous prime number is 1181
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred forty-two million seven hundred thirty thousand nine hundred six
Scientific notation
6.42730906 × 10^8
Engineering notation
6.42730906 × 10^6
Prime Factorization
2 × 23 × 1181 × 11831
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642730906
Product of the distinct prime numbers
The prime factorization of 642730906 is 2 × 23 × 1181 × 11831.
Since it has a total of 4 prime factors.
4 , 10 , 12 , 29 , 137 , 803 , 2480 , 1829 , 70824 , 92564 , 10086 , 855518 , 5281171 , 8701022 , 69656072 , 73446445 , 237708184 , 85562556 , 409290492 , 4798974738
n×2
1285461812
n×3
1928192718
n×4
2570923624
n×5
3213654530
n÷2
321365453
n÷3
214243635.33333
n÷3
160682726.5
n÷5
128546181.2
n2
413103017527580836
n3
2.6551407672684E+26
n4
1.7065410309039E+35
n5
1.0968466629191E+44
2 √n
25352.138095238
3 √n
862.99787808405
4 √n
159.22354755261
5 √n
57.757160865627
1 , 2 , 23 , 46 , 1181 , 2362 , 11831 , 23662 , 27163 , 54326 , 272113 , 544226 , 13972411 , 27944822 , 321365453 , 642730906
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
-642730905
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 642730906 can be divided by 16 positive divisors.
The sum of these divisors (counting 642730906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010011110100101110011010
3
Ternary
1122210102010001101
4
Quaternary
212103310232122
5
Quinary
2304014342111
6
Senary
143435542014
8
Octal
4623645632
10
Decimal
642730906
12
Duodecimal
15b2ba90a
16
Hexadecimal
264f4b9a
20
Vigesimal
a0h1756
36
Base36
amnyca
md5
4b2b574c7543ec564b412effde0c9720
sha1
788c51e5cf087510e044b117f26157cd98379f76
sha256
63042eccc8ee04eac261184a3ee64d234c2fb6ed8e181b494ed6efa7c433046f
sha512
ea8dabdc5bb5f18efbbea9294316d1debbb084d50ae6c9e8521d5d87fc5b5037fb8fa514d82bbe0b9d6ecd100d09295dc1548c8d3f00f22ca7e781205e564140
ripemd-160
552629d6cd43119f396ff67de2c6ce20e3457525
Diameter
1285461812
Circumference
4038397385.0494
Area
1.2978014050404E+18
Volume
1.1121827638263E+27
Surface area
5.1912056201617E+18
Circumference
4038397385.0494
Perimeter
2570923624
Area
413103017527580836
Diagonal
908958764.22155
Surface area
2478618105165485016
Volume
2.6551407672684E+26
Space diagonal
1113242584.7868
Perimeter
1928192718
Area
1.7887885377945E+17
Altitude
556621292.39339
Surface area
1.7887885377945E+17
Volume
3.1291134025672E+25
Height
302986254.74052