642079731 is an odd 9-digits composite number following 642079730
and preceding 642079732 . In scientific notation, it is written as 6.42079731 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 421386240 positive integers (up to 642079731) that are relatively prime to 642079731.
642079731 has 16 divisors, whose sum is 869525280
The reverse of 642079731 is 137970246
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty-two million seventy-nine thousand seven hundred thirty-one
Scientific notation
6.42079731 × 10^8
Engineering notation
6.42079731 × 10^6
Prime Factorization
3 × 89 × 233 × 10321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642079731
Product of the distinct prime numbers
The prime factorization of 642079731 is 3 × 89 × 233 × 10321.
Since it has a total of 4 prime factors.
6 , 6 , 25 , 55 , 962 , 336 , 8308 , 3024 , 46879 , 33903 , 240306 , 174681 , 3470903 , 6512200 , 98789304 , 94537230 , 113246986 , 545313008 , 4296935499 , 2555670112
n×2
1284159462
n×3
1926239193
n×4
2568318924
n×5
3210398655
n÷2
321039865.5
n÷3
214026577
n÷3
160519932.75
n÷5
128415946.2
n2
412266380961032361
n3
2.647078869878E+26
n4
1.6996356887071E+35
n5
1.091301625803E+44
2 √n
25339.292235578
3 √n
862.70633433597
4 √n
159.18320337139
5 √n
57.745452926955
1 , 3 , 89 , 233 , 267 , 699 , 10321 , 20737 , 30963 , 62211 , 918569 , 2404793 , 2755707 , 7214379 , 214026577 , 642079731
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
-642079730
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 642079731 can be divided by 16 positive divisors.
The sum of these divisors (counting 642079731) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001010101101111110011
3
Ternary
1122202012000210210
4
Quaternary
212101111233303
5
Quinary
2303333022411
6
Senary
143413555203
8
Octal
4621255763
10
Decimal
642079731
12
Duodecimal
15b045b03
16
Hexadecimal
26455bf3
20
Vigesimal
a0cjj6b
36
Base36
am9zw3
md5
5a2d6013c34ed2a5097ca8dd63b4a0a2
sha1
fb0181789256027f9ebcff22d9c1df79cd431825
sha256
d1105b34635b5dd14040be6b8f97289f7140aaa951329a16d2d92bd995ce4a20
sha512
ef52a0b6b159d5b376bd8fb2888ac14297dbd825c983d9460c57f4a561834f9de1568a72a7dd413a153537a5f8055e6d56f39667d07fbd9ecbe1c4b77a3409d6
ripemd-160
6e756f365a0c345ba75c204450512aa42bf0b24a
Diameter
1284159462
Circumference
4034305931.857
Area
1.2951730337492E+18
Volume
1.1088058041442E+27
Surface area
5.1806921349969E+18
Circumference
4034305931.857
Perimeter
2568318924
Area
412266380961032361
Diagonal
908037863.70507
Surface area
2473598285766194166
Volume
2.647078869878E+26
Space diagonal
1112114716.6022
Perimeter
1926239193
Area
1.7851657951926E+17
Altitude
556057358.30108
Surface area
1.7851657951926E+17
Volume
3.1196123653773E+25
Height
302679287.90169