642736745 is an odd 9-digits composite number following 642736744
and preceding 642736746 . In scientific notation, it is written as 6.42736745 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 440527680 positive integers (up to 642736745) that are relatively prime to 642736745.
642736745 has 16 divisors, whose sum is 881879808
The reverse of 642736745 is 547637246
Previous prime number is 4021
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty-two million seven hundred thirty-six thousand seven hundred forty-five
Scientific notation
6.42736745 × 10^8
Engineering notation
6.42736745 × 10^6
Prime Factorization
7 × 5 × 4021 × 4567
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642736745
Product of the distinct prime numbers
The prime factorization of 642736745 is 7 × 5 × 4021 × 4567.
Since it has a total of 4 prime factors.
1 , 6 , 89 , 13 , 235 , 170 , 6715 , 5275 , 74794 , 13689 , 61897 , 950776 , 7482826 , 7907119 , 61621421 , 18251862 , 379093821 , 921331709 , 7159633894 , 8938561425
n×2
1285473490
n×3
1928210235
n×4
2570946980
n×5
3213683725
n÷2
321368372.5
n÷3
214245581.66667
n÷3
160684186.25
n÷5
128547349
n2
413110523373195025
n3
2.6552131311813E+26
n4
1.7066030452168E+35
n5
1.0968964862897E+44
2 √n
25352.253252916
3 √n
863.00049142726
4 √n
159.22390917484
5 √n
57.757265806228
1 , 5 , 7 , 35 , 4021 , 4567 , 20105 , 22835 , 28147 , 31969 , 140735 , 159845 , 18363907 , 91819535 , 128547349 , 642736745
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
-642736744
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 642736745 can be divided by 16 positive divisors.
The sum of these divisors (counting 642736745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010011110110001001101001
3
Ternary
1122210102102001122
4
Quaternary
212103312021221
5
Quinary
2304020033440
6
Senary
143440025025
8
Octal
4623661151
10
Decimal
642736745
12
Duodecimal
15b302175
16
Hexadecimal
264f6269
20
Vigesimal
a0h21h5
36
Base36
amo2uh
md5
d6f0b7becfd482111758d760fd8f04f7
sha1
37ce722338a036d379e4e8be4a7051076749d527
sha256
beee369a1092fc8f277def4f2ffa23c5858fe6a2902e91f480d42b1250d9a6e6
sha512
f69546b648aafe7bc2bb7f981d66f6cdfbc7c2ff873f77cdf7409551ac2b506e4a3d36924403f1dcc0afce43a795f72e901997374d476054a9ffb5f9e81c536b
ripemd-160
50b7044c007469b34d2b20de6f13d11e6e00876e
Diameter
1285473490
Circumference
4038434072.5684
Area
1.2978249853499E+18
Volume
1.1122130755513E+27
Surface area
5.1912999413995E+18
Circumference
4038434072.5684
Perimeter
2570946980
Area
413110523373195025
Diagonal
908967021.81454
Surface area
2478663140239170150
Volume
2.6552131311813E+26
Space diagonal
1113252698.2314
Perimeter
1928210235
Area
1.7888210390594E+17
Altitude
556626349.11572
Surface area
1.7888210390594E+17
Volume
3.1291986842565E+25
Height
302989007.27151