64397789 is an odd 8-digits composite number following 64397788
and preceding 64397790 . In scientific notation, it is written as 6.4397789 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 62492976 positive integers (up to 64397789) that are relatively prime to 64397789.
64397789 has 8 divisors, whose sum is 66322080
The reverse of 64397789 is 98779346
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-four million three hundred ninety-seven thousand seven hundred eighty-nine
Scientific notation
6.4397789 × 10^7
Engineering notation
6.4397789 × 10^6
Prime Factorization
43 × 157 × 9539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64397789
Product of the distinct prime numbers
The prime factorization of 64397789 is 43 × 157 × 9539.
Since it has a total of 3 prime factors.
9 , 2 , 37 , 29 , 506 , 576 , 6910 , 8089 , 61226 , 47051 , 759781 , 386338 , 7614291 , 5800318 , 60984654 , 26985481 , 262980531 , 884101397 , 9337527431 , 669830088
n×2
128795578
n×3
193193367
n×4
257591156
n×5
321988945
n÷2
32198894.5
n÷3
21465929.666667
n÷3
16099447.25
n÷5
12879557.8
n2
4147075228088521
n3
2.6706247550557E+23
n4
1.7198232947425E+31
n5
1.1075281765212E+39
2 √n
8024.8233002353
3 √n
400.82701601618
4 √n
89.581378088503
5 √n
36.456434473379
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64397788
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64397789 can be divided by 8 positive divisors.
The sum of these divisors (counting 64397789) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110101101010000111011101
3
Ternary
11111011202011022
4
Quaternary
3311222013131
5
Quinary
112441212124
6
Senary
10220133525
8
Octal
365520735
10
Decimal
64397789
12
Duodecimal
196972a5
16
Hexadecimal
3d6a1dd
20
Vigesimal
1029e99
36
Base36
12c9nh
md5
133a3530ec1039f8690ef613e8fee6b3
sha1
6737c1d7f8fe0d612bf97bf3ed258109590d84b7
sha256
b167950992fd2dde5c236e1ed55e094d96be76e8816268b26c7d4134afb5345a
sha512
6f87dd5b910d57544ffa2ef1e310b52f1415bfaa5ae7721bf0ba1944a5ae67cf7a99bbb0526c01e9562818e65a0b2d814ee074a15d9fd4b507708774298e5fec
ripemd-160
80d09828ca8d5478915cf77ae93cbad7594bf771
Diameter
128795578
Circumference
404623241.65965
Area
1.3028421070447E+16
Volume
1.1186686814637E+24
Surface area
5.2113684281788E+16
Circumference
404623241.65965
Perimeter
257591156
Area
4147075228088521
Diagonal
91072226.590641
Surface area
24882451368531126
Volume
2.6706247550557E+23
Space diagonal
111540242.4431
Perimeter
193193367
Area
1.7957362494649E+15
Altitude
55770121.22155
Surface area
1.7957362494649E+15
Volume
3.1473614571743E+22
Height
30357408.863547