64646768 is an even 8-digits composite number following 64646767
and preceding 64646769 . In scientific notation, it is written as 6.4646768 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 32290944 positive integers (up to 64646768) that are relatively prime to 64646768.
64646768 has 20 divisors, whose sum is 125378880
The reverse of 64646768 is 86764646
Previous prime number is 1759
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-four million six hundred forty-six thousand seven hundred sixty-eight
Scientific notation
6.4646768 × 10^7
Engineering notation
6.4646768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1759 × 2297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8080846
Product of the distinct prime numbers
The prime factorization of 64646768 is 2 × 2 × 2 × 2 × 1759 × 2297.
Since it has a total of 6 prime factors.
1 , 9 , 3 , 73 , 661 , 130 , 532 , 4198 , 82401 , 88084 , 433889 , 24107 , 4881546 , 6639206 , 48671900 , 34454175 , 298969622 , 847735243 , 7366112865 , 1430720078
n×2
129293536
n×3
193940304
n×4
258587072
n×5
323233840
n÷2
32323384
n÷3
21548922.666667
n÷3
16161692
n÷5
12929353.6
n2
4179204612845824
n3
2.7017207103117E+23
n4
1.7465751196032E+31
n5
1.1291043655156E+39
2 √n
8040.3213866114
3 √n
401.34291970445
4 √n
89.667839198965
5 √n
36.484581034778
1 , 2 , 4 , 8 , 16 , 1759 , 2297 , 3518 , 4594 , 7036 , 9188 , 14072 , 18376 , 28144 , 36752 , 4040423 , 8080846 , 16161692 , 32323384 , 64646768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64646767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64646768 can be divided by 20 positive divisors.
The sum of these divisors (counting 64646768) is 1, the average is 0.05.
Base
System
Value
2
Binary
11110110100110111001110000
3
Ternary
11111122101200202
4
Quaternary
3312212321300
5
Quinary
113022144033
6
Senary
10225334332
8
Octal
366467160
10
Decimal
64646768
12
Duodecimal
197973a8
16
Hexadecimal
3da6e70
20
Vigesimal
1040gi8
36
Base36
12hlrk
md5
249aae8d60783961853da3d752541a75
sha1
9bbdbab83205b137ed3fca924bbae106cd60e25a
sha256
7f2e6d19b804ca522d1fc3ae145de54bd4c9680010dc7e70f539f6602974b8ce
sha512
5ecfdee5b5b25530a98d22bee7fe3877baef0d0eb63badfac5d181c029ff316db68f1b029295aa71a99fb44db0f76a8668653e3bcba972b03c477e24f8c28ee5
ripemd-160
3bd8435031ec1aad819b67cbbe156f732de7e914
Diameter
129293536
Circumference
406187622.85425
Area
1.3129358509565E+16
Volume
1.1316941247422E+24
Surface area
5.251743403826E+16
Circumference
406187622.85425
Perimeter
258587072
Area
4179204612845824
Diagonal
91424336.069187
Surface area
25075227677074944
Volume
2.7017207103117E+23
Space diagonal
111971486.72112
Perimeter
193940304
Area
1.8096486811688E+15
Altitude
55985743.360559
Surface area
1.8096486811688E+15
Volume
3.1840083918893E+22
Height
30474778.689729