642775691 is an odd 9-digits composite number following 642775690
and preceding 642775692 . In scientific notation, it is written as 6.42775691 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 620610984 positive integers (up to 642775691) that are relatively prime to 642775691.
642775691 has 4 divisors, whose sum is 664940400
The reverse of 642775691 is 196577246
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred forty-two million seven hundred seventy-five thousand six hundred ninety-one
Scientific notation
6.42775691 × 10^8
Engineering notation
6.42775691 × 10^6
Prime Factorization
29 × 22164679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642775691
Product of the distinct prime numbers
The prime factorization of 642775691 is 29 × 22164679.
Since it has a total of 2 prime factors.
5 , 2 , 25 , 89 , 563 , 546 , 3458 , 5747 , 56613 , 45141 , 924326 , 870476 , 2400656 , 9212297 , 79651805 , 34122468 , 253118189 , 266585008 , 3798560695 , 2678662693
n×2
1285551382
n×3
1928327073
n×4
2571102764
n×5
3213878455
n÷2
321387845.5
n÷3
214258563.66667
n÷3
160693922.75
n÷5
128555138.2
n2
413160588940527481
n3
2.6556958305021E+26
n4
1.7070167225368E+35
n5
1.0972288533772E+44
2 √n
25353.021338689
3 √n
863.01792196346
4 √n
159.22632112402
5 √n
57.75796573819
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642775690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642775691 can be divided by 4 positive divisors.
The sum of these divisors (counting 642775691) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010011111111101010001011
3
Ternary
1122210111101111002
4
Quaternary
212103333222023
5
Quinary
2304022310231
6
Senary
143440525215
8
Octal
4623775213
10
Decimal
642775691
12
Duodecimal
15b32080b
16
Hexadecimal
264ffa8b
20
Vigesimal
a0h6j4b
36
Base36
amowwb
md5
313abda3f7aa04cb9ad8e3d0b01d0492
sha1
5d5814d0bd307d543e2e664c7ecf3b8f001714c4
sha256
e26bb25bfdf611cfd9bf0a94cda99e2c0b87c728dfec9d48aa50ac1a9fc88fd2
sha512
178647a4677edf3fc309fdbef0a2ebcbbb09711ab4cba24fbe8dd7465d756ba127c6c03aad78dda02e7569d439a9a810d5caa22a67381dfc872a7b000d2c67e7
ripemd-160
3f2c41e7856f107819d0b9c6e0a8fc553184aeb2
Diameter
1285551382
Circumference
4038678777.5034
Area
1.2979822709684E+18
Volume
1.1124152681699E+27
Surface area
5.1919290838736E+18
Circumference
4038678777.5034
Perimeter
2571102764
Area
413160588940527481
Diagonal
909022099.77594
Surface area
2478963533643164886
Volume
2.6556958305021E+26
Space diagonal
1113320154.6822
Perimeter
1928327073
Area
1.7890378293252E+17
Altitude
556660077.3411
Surface area
1.7890378293252E+17
Volume
3.1297675508615E+25
Height
303007366.59198