64742521 is an odd 8-digits composite number following 64742520
and preceding 64742522 . In scientific notation, it is written as 6.4742521 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 63520912 positive integers (up to 64742521) that are relatively prime to 64742521.
64742521 has 4 divisors, whose sum is 65964132
The reverse of 64742521 is 12524746
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-four million seven hundred forty-two thousand five hundred twenty-one
Scientific notation
6.4742521 × 10^7
Engineering notation
6.4742521 × 10^6
Prime Factorization
53 × 1221557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64742521
Product of the distinct prime numbers
The prime factorization of 64742521 is 53 × 1221557.
Since it has a total of 2 prime factors.
2 , 8 , 93 , 13 , 134 , 326 , 550 , 4725 , 38025 , 85134 , 518002 , 999663 , 571860 , 4376379 , 36704185 , 63202492 , 166059773 , 768114745 , 8479741234 , 9359665795
n×2
129485042
n×3
194227563
n×4
258970084
n×5
323712605
n÷2
32371260.5
n÷3
21580840.333333
n÷3
16185630.25
n÷5
12948504.2
n2
4191594025435441
n3
2.7137436421523E+23
n4
1.7569460474066E+31
n5
1.1374911637009E+39
2 √n
8046.2737338472
3 √n
401.54097461971
4 √n
89.701024151607
5 √n
36.495382626995
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
-64742520
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 64742521 can be divided by 4 positive divisors.
The sum of these divisors (counting 64742521) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110110111110010001111001
3
Ternary
11111211021001011
4
Quaternary
3312332101321
5
Quinary
113033230041
6
Senary
10231353521
8
Octal
366762171
10
Decimal
64742521
12
Duodecimal
198228a1
16
Hexadecimal
3dbe479
20
Vigesimal
104cg61
36
Base36
12jnnd
md5
1622d1ca634180c503f0595a56d797e3
sha1
370d890c8321217bfdf25be7278ae4b149c8a81b
sha256
d8cb74eb7fef4b6b53fc62fe364a92c94d9f62d501f9ef88e752f127458a2f60
sha512
b31f3965a7f2c134810a9a6b9ef525a59a293f05b3e72f3c666402b1d36a916481a1f632403b33c1b247916bba48e4b9fea96bb6c0f3d5d911305786b4d4fb22
ripemd-160
c716f6fc72290ae01a5ad759b917c18c0010df6d
Diameter
129485042
Circumference
406789256.69697
Area
1.3168280997139E+16
Volume
1.1367302786549E+24
Surface area
5.2673123988555E+16
Circumference
406789256.69697
Perimeter
258970084
Area
4191594025435441
Diagonal
91559751.260425
Surface area
25149564152612646
Volume
2.7137436421523E+23
Space diagonal
112137335.78209
Perimeter
194227563
Area
1.8150134541891E+15
Altitude
56068667.891047
Surface area
1.8150134541891E+15
Volume
3.1981775529463E+22
Height
30519917.086808