64279945 is an odd 8-digits composite number following 64279944
and preceding 64279946 . In scientific notation, it is written as 6.4279945 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 48384000 positive integers (up to 64279945) that are relatively prime to 64279945.
64279945 has 16 divisors, whose sum is 81751680
The reverse of 64279945 is 54997246
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-four million two hundred seventy-nine thousand nine hundred forty-five
Scientific notation
6.4279945 × 10^7
Engineering notation
6.4279945 × 10^6
Prime Factorization
5 × 19 × 151 × 4481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64279945
Product of the distinct prime numbers
The prime factorization of 64279945 is 5 × 19 × 151 × 4481.
Since it has a total of 4 prime factors.
5 , 4 , 9 , 42 , 953 , 99 , 2632 , 1552 , 47262 , 1057 , 881393 , 843062 , 5943924 , 6297509 , 79398148 , 47550425 , 924355367 , 645398913 , 856917448 , 6656962960
n×2
128559890
n×3
192839835
n×4
257119780
n×5
321399725
n÷2
32139972.5
n÷3
21426648.333333
n÷3
16069986.25
n÷5
12855989
n2
4131911329203025
n3
2.6559903298605E+23
n4
1.7072691232396E+31
n5
1.0974316534204E+39
2 √n
8017.4774711252
3 √n
400.58237045016
4 √n
89.540367829964
5 √n
36.443082088832
1 , 5 , 19 , 95 , 151 , 755 , 2869 , 4481 , 14345 , 22405 , 85139 , 425695 , 676631 , 3383155 , 12855989 , 64279945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64279944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64279945 can be divided by 16 positive divisors.
The sum of these divisors (counting 64279945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110101001101010110001001
3
Ternary
11110221202111201
4
Quaternary
3311031112021
5
Quinary
112423424240
6
Senary
10213424201
8
Octal
365152611
10
Decimal
64279945
12
Duodecimal
1963b061
16
Hexadecimal
3d4d589
20
Vigesimal
101ejh5
36
Base36
129qq1
md5
6acb94e70d6311c2a9640a832c0ab13e
sha1
680062915025f7da42893102f983aaf24af15dca
sha256
c4ab6e5a8732add451b5ff2a94632d43fa1d9258bcaccfb3441fc523c53c1c03
sha512
9c037578c9bee0f685cbf5cacc141389793933077e3c8879b8c96197d552e31e87347e1f499f495276750668573506d8a68df746c163487d603b49f4dbc50994
ripemd-160
77250e881d05ba3eaae52e8ee6acaddecfe8baa9
Diameter
128559890
Circumference
403882805.97031
Area
1.2980782277109E+16
Volume
1.1125386277727E+24
Surface area
5.1923129108435E+16
Circumference
403882805.97031
Perimeter
257119780
Area
4131911329203025
Diagonal
90905570.007597
Surface area
24791467975218150
Volume
2.6559903298605E+23
Space diagonal
111336130.64773
Perimeter
192839835
Area
1.7891700886373E+15
Altitude
55668065.323867
Surface area
1.7891700886373E+15
Volume
3.1301146216837E+22
Height
30301856.669199