64492081 is an odd 8-digits composite number following 64492080
and preceding 64492082 . In scientific notation, it is written as 6.4492081 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 64356964 positive integers (up to 64492081) that are relatively prime to 64492081.
64492081 has 4 divisors, whose sum is 64627200
The reverse of 64492081 is 18029446
Previous prime number is 479
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-four million four hundred ninety-two thousand eighty-one
Scientific notation
6.4492081 × 10^7
Engineering notation
6.4492081 × 10^6
Prime Factorization
479 × 134639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64492081
Product of the distinct prime numbers
The prime factorization of 64492081 is 479 × 134639.
Since it has a total of 2 prime factors.
8 , 3 , 61 , 48 , 905 , 48 , 4865 , 2145 , 67337 , 79195 , 542729 , 450756 , 2765139 , 2416295 , 69769420 , 50240763 , 277529017 , 335049824 , 9268057532 , 2505707149
n×2
128984162
n×3
193476243
n×4
257968324
n×5
322460405
n÷2
32246040.5
n÷3
21497360.333333
n÷3
16123020.25
n÷5
12898416.2
n2
4159228511710561
n3
2.6823730207475E+23
n4
1.7299181812626E+31
n5
1.1156602346936E+39
2 √n
8030.6961715657
3 √n
401.02255248853
4 √n
89.614151625542
5 √n
36.467104214124
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
-64492080
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 64492081 can be divided by 4 positive divisors.
The sum of these divisors (counting 64492081) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110110000001001000110001
3
Ternary
11111100112111121
4
Quaternary
3312001020301
5
Quinary
113002221311
6
Senary
10222142241
8
Octal
366011061
10
Decimal
64492081
12
Duodecimal
19721981
16
Hexadecimal
3d81231
20
Vigesimal
1031a41
36
Base36
12eaep
md5
6acc75cf79bc7fa81d6f10fadaf56d36
sha1
35b72ab7818c4ecd1185bb1df12274cf02f6f3f1
sha256
e4928a6334d04c4b93b294b24632f53f31a7b6992ca3d73db0df174b1433d581
sha512
7a12554d5345b4b189a18f82913ec3f50e95d6ab13ad0a83a629406e0ea753dd35d1cb7e5bbcbeb586d91b54558f4eb25539f285d54f0d468dc7ea3b5123adff
ripemd-160
6d4792bdaf3e1b5f233e296166dfa0ed06016c9a
Diameter
128984162
Circumference
405215695.76864
Area
1.3066601736991E+16
Volume
1.123589783489E+24
Surface area
5.2266406947964E+16
Circumference
405215695.76864
Perimeter
257968324
Area
4159228511710561
Diagonal
91205575.615864
Surface area
24955371070263366
Volume
2.6823730207475E+23
Space diagonal
111703560.97785
Perimeter
193476243
Area
1.8009987756429E+15
Altitude
55851780.488924
Surface area
1.8009987756429E+15
Volume
3.1612069210706E+22
Height
30401858.538621