65439972 is an even 8-digits composite number following 65439971
and preceding 65439973 . In scientific notation, it is written as 6.5439972 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 19825344 positive integers (up to 65439972) that are relatively prime to 65439972.
65439972 has 24 divisors, whose sum is 117278784
The reverse of 65439972 is 27993456
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-five million four hundred thirty-nine thousand nine hundred seventy-two
Scientific notation
6.5439972 × 10^7
Engineering notation
6.5439972 × 10^6
Prime Factorization
2 × 2 × 117 × 67 × 2087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32719986
Product of the distinct prime numbers
The prime factorization of 65439972 is 2 × 2 × 117 × 67 × 2087.
Since it has a total of 5 prime factors.
6 , 8 , 54 , 50 , 777 , 529 , 4692 , 994 , 35653 , 87900 , 485021 , 817031 , 5892188 , 7181458 , 52174450 , 2011003 , 44259644 , 45429396 , 4768739404 , 6243137972
n×2
130879944
n×3
196319916
n×4
261759888
n×5
327199860
n÷2
32719986
n÷3
21813324
n÷3
16359993
n÷5
13087994.4
n2
4282389935360784
n3
2.8023947746309E+23
n4
1.8338863558479E+31
n5
1.2000947177787E+39
2 √n
8089.4976358239
3 √n
402.97771962524
4 √n
89.941634607249
5 √n
36.5736766516
1 , 2 , 4 , 67 , 117 , 134 , 234 , 268 , 468 , 2087 , 4174 , 7839 , 8348 , 15678 , 31356 , 139829 , 244179 , 279658 , 488358 , 559316 , 976716 , 16359993 , 32719986 , 65439972
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
-65439971
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 65439972 can be divided by 24 positive divisors.
The sum of these divisors (counting 65439972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111001101000100011100100
3
Ternary
11120010200202200
4
Quaternary
3321220203210
5
Quinary
113223034342
6
Senary
10254334500
8
Octal
371504344
10
Decimal
65439972
12
Duodecimal
19aba430
16
Hexadecimal
3e688e4
20
Vigesimal
108jjic
36
Base36
12ylt0
md5
e24e63282ed1b887e0a95e9ec272c398
sha1
9c40fc8ac3b0f4c04ea113c17b9cf8f5f5e69a5f
sha256
a0090a40aeeec731b5bda69c7d7889cb66b02e5760ad98fc405573e54caad5a0
sha512
bfdce46401724ca36e6a70b431de36068999459a604e7b3d038995815da61854674b39f8a44cba68fbb740b32ef8ead2ff87f12adc378eae1a7a2dbe4ac01a99
ripemd-160
bd47bf627b5f706f0c35e5e3d5483c7bb97f116c
Diameter
130879944
Circumference
411171470.57264
Area
1.3453524760736E+16
Volume
1.1738643781919E+24
Surface area
5.3814099042945E+16
Circumference
411171470.57264
Perimeter
261759888
Area
4282389935360784
Diagonal
92546095.923716
Surface area
25694339612164704
Volume
2.8023947746309E+23
Space diagonal
113345356.34988
Perimeter
196319916
Area
1.8543292364666E+15
Altitude
56672678.174942
Surface area
1.8543292364666E+15
Volume
3.3026539145054E+22
Height
30848698.641239