64742020 is an even 8-digits composite number following 64742019
and preceding 64742021 . In scientific notation, it is written as 6.4742020 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 22197216 positive integers (up to 64742020) that are relatively prime to 64742020.
64742020 has 24 divisors, whose sum is 155381184
The reverse of 64742020 is 02024746
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
sixty-four million seven hundred forty-two thousand twenty
Scientific notation
6.4742020 × 10^7
Engineering notation
6.4742020 × 10^6
Prime Factorization
2 × 2 × 5 × 7 × 462443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32371010
Product of the distinct prime numbers
The prime factorization of 64742020 is 2 × 2 × 5 × 7 × 462443.
Since it has a total of 5 prime factors.
6 , 6 , 92 , 40 , 315 , 75 , 8186 , 4009 , 42494 , 33291 , 278559 , 212397 , 3604215 , 9420949 , 87830117 , 44712060 , 463510081 , 766755866 , 1649867758 , 5626235484
n×2
129484040
n×3
194226060
n×4
258968080
n×5
323710100
n÷2
32371010
n÷3
21580673.333333
n÷3
16185505
n÷5
12948404
n2
4191529153680400
n3
2.7136806429816E+23
n4
1.7568916646153E+31
n5
1.1374471528836E+39
2 √n
8046.2426013637
3 √n
401.53993886277
4 √n
89.700850616723
5 √n
36.495326144044
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 462443 , 924886 , 1849772 , 2312215 , 3237101 , 4624430 , 6474202 , 9248860 , 12948404 , 16185505 , 32371010 , 64742020
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
-64742019
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 64742020 can be divided by 24 positive divisors.
The sum of these divisors (counting 64742020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11110110111110001010000100
3
Ternary
11111211020100121
4
Quaternary
3312332022010
5
Quinary
113033221040
6
Senary
10231351324
8
Octal
366761204
10
Decimal
64742020
12
Duodecimal
19822544
16
Hexadecimal
3dbe284
20
Vigesimal
104cf10
36
Base36
12jn9g
md5
2b7f1ae2e9790150c076bbb1ff1c2a97
sha1
ddffbf2f6f5a83c954034d2017295ea9fe771b08
sha256
f517955a7c14be7cfe5c1e9b64f8f692ec08344c7bd0293b748f9d3e85770ad2
sha512
04a728e8ae47cc100b5a7c8dc673775d2a64a94cc2d15ae43c10c6e20694830a935dc6bdcf4db116e6e992757a30a31f22b1d1a85a4ff80681cacf20cbcd7597
ripemd-160
1035bd384abf0d20a5251922cceba528a2b6b561
Diameter
129484040
Circumference
406786108.82113
Area
1.316807719651E+16
Volume
1.136703889624E+24
Surface area
5.2672308786039E+16
Circumference
406786108.82113
Perimeter
258968080
Area
4191529153680400
Diagonal
91559042.73943
Surface area
25149174922082400
Volume
2.7136806429816E+23
Space diagonal
112136468.02464
Perimeter
194226060
Area
1.8149853638952E+15
Altitude
56068234.01232
Surface area
1.8149853638952E+15
Volume
3.1981033077116E+22
Height
30519680.913143