64438081 is an odd 8-digits composite number following 64438080
and preceding 64438082 . In scientific notation, it is written as 6.4438081 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 62781168 positive integers (up to 64438081) that are relatively prime to 64438081.
64438081 has 8 divisors, whose sum is 66107520
The reverse of 64438081 is 18083446
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-four million four hundred thirty-eight thousand eighty-one
Scientific notation
6.4438081 × 10^7
Engineering notation
6.4438081 × 10^6
Prime Factorization
47 × 229 × 5987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64438081
Product of the distinct prime numbers
The prime factorization of 64438081 is 47 × 229 × 5987.
Since it has a total of 3 prime factors.
4 , 7 , 18 , 53 , 263 , 148 , 5849 , 8173 , 14002 , 40793 , 917763 , 649808 , 979249 , 1808493 , 11033625 , 95709749 , 972467644 , 527619051 , 7716221358 , 2030994237
n×2
128876162
n×3
193314243
n×4
257752324
n×5
322190405
n÷2
32219040.5
n÷3
21479360.333333
n÷3
16109520.25
n÷5
12887616.2
n2
4152266282962561
n3
2.6756407107511E+23
n4
1.7241315284628E+31
n5
1.1109972708574E+39
2 √n
8027.3333679373
3 √n
400.91059422239
4 √n
89.595386979115
5 √n
36.460995298206
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
-64438080
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 64438081 can be divided by 8 positive divisors.
The sum of these divisors (counting 64438081) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110101110011111101000001
3
Ternary
11111020210102121
4
Quaternary
3311303331001
5
Quinary
112444004311
6
Senary
10221044241
8
Octal
365637501
10
Decimal
64438081
12
Duodecimal
196b6681
16
Hexadecimal
3d73f41
20
Vigesimal
102ef41
36
Base36
12d4qp
md5
578ef889230bdd5f744bbe3f60e0f91b
sha1
4f6db0531a9ec0247e0b3539373344877e82f6a8
sha256
9c11c11bf69823bdb3abb8a8880494b221069b46d95e14428b479ef5b28cc1c3
sha512
f44891a2c641028e500212e08bfe5be41a6a6b5e59fb3382200e09a08b28f2f3e7182ecf735ff80667e81e70cd8abf54197e8bfcdede0290e7942175bca0ea5d
ripemd-160
7c3e930fbfb43152611860872b8806562fffa0e2
Diameter
128876162
Circumference
404876403.76205
Area
1.3044729250304E+16
Volume
1.1207697600722E+24
Surface area
5.2178917001215E+16
Circumference
404876403.76205
Perimeter
257752324
Area
4152266282962561
Diagonal
91129208.083496
Surface area
24913597697775366
Volume
2.6756407107511E+23
Space diagonal
111610030.23424
Perimeter
193314243
Area
1.7979840421616E+15
Altitude
55805015.117119
Surface area
1.7979840421616E+15
Volume
3.1532728176515E+22
Height
30376402.694499