64397788 is an even 8-digits composite number following 64397787
and preceding 64397789 . In scientific notation, it is written as 6.4397788 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors.
There are 24598080 positive integers (up to 64397788) that are relatively prime to 64397788.
64397788 has 24 divisors, whose sum is 114477440
The reverse of 64397788 is 88779346
Previous prime number is 403
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-four million three hundred ninety-seven thousand seven hundred eighty-eight
Scientific notation
6.4397788 × 10^7
Engineering notation
6.4397788 × 10^6
Prime Factorization
2 × 2 × 91 × 403 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32198894
Product of the distinct prime numbers
The prime factorization of 64397788 is 2 × 2 × 91 × 403 × 439.
Since it has a total of 5 prime factors.
3 , 8 , 33 , 83 , 65 , 16 , 5457 , 8136 , 18158 , 65483 , 689200 , 587427 , 4552064 , 1760587 , 61196777 , 69894670 , 378263205 , 288838684 , 4923625951 , 9477700344
n×2
128795576
n×3
193193364
n×4
257591152
n×5
321988940
n÷2
32198894
n÷3
21465929.333333
n÷3
16099447
n÷5
12879557.6
n2
4147075099292944
n3
2.6706246306435E+23
n4
1.7198231879176E+31
n5
1.10752809053E+39
2 √n
8024.8232379287
3 √n
400.82701394144
4 √n
89.581377740737
5 √n
36.456434360157
1 , 2 , 4 , 91 , 182 , 364 , 403 , 439 , 806 , 878 , 1612 , 1756 , 36673 , 39949 , 73346 , 79898 , 146692 , 159796 , 176917 , 353834 , 707668 , 16099447 , 32198894 , 64397788
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64397787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64397788 can be divided by 24 positive divisors.
The sum of these divisors (counting 64397788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11110101101010000111011100
3
Ternary
11111011202011021
4
Quaternary
3311222013130
5
Quinary
112441212123
6
Senary
10220133524
8
Octal
365520734
10
Decimal
64397788
12
Duodecimal
196972a4
16
Hexadecimal
3d6a1dc
20
Vigesimal
1029e98
36
Base36
12c9ng
md5
bfaa7ecf67b6c324ebacfe14ab2279ff
sha1
a1c93544210e8c98d9dc9b351247d981a70aea0c
sha256
594610fdac0847455734a189075b4b79f130c2f155f95b706cbc296e5121e54f
sha512
46eeaa66a032ce109abda36edbb1fc0350300cdea33bbcbe53de53760286396464aa9709181a1c26bd62669e7820c793a27ab6865639b4335f995e096b996c65
ripemd-160
5d38eab43b48e866c8add65fa43c1421a5943fff
Diameter
128795576
Circumference
404623235.37647
Area
1.3028420665824E+16
Volume
1.1186686293501E+24
Surface area
5.2113682663295E+16
Circumference
404623235.37647
Perimeter
257591152
Area
4147075099292944
Diagonal
91072225.176427
Surface area
24882450595757664
Volume
2.6706246306435E+23
Space diagonal
111540240.71105
Perimeter
193193364
Area
1.7957361936948E+15
Altitude
55770120.355525
Surface area
1.7957361936948E+15
Volume
3.147361310553E+22
Height
30357408.392142