64839947 is an odd 8-digits composite number following 64839946
and preceding 64839948 . In scientific notation, it is written as 6.4839947 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors.
There are 63086184 positive integers (up to 64839947) that are relatively prime to 64839947.
64839947 has 6 divisors, whose sum is 66641148
The reverse of 64839947 is 74993846
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-four million eight hundred thirty-nine thousand nine hundred forty-seven
Scientific notation
6.4839947 × 10^7
Engineering notation
6.4839947 × 10^6
Prime Factorization
37 × 37 × 47363
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1752431
Product of the distinct prime numbers
The prime factorization of 64839947 is 37 × 37 × 47363.
Since it has a total of 3 prime factors.
5 , 2 , 45 , 95 , 27 , 175 , 9592 , 3737 , 93274 , 30094 , 787018 , 625395 , 172858 , 2512098 , 5446392 , 47520299 , 995032128 , 659213484 , 3810521324 , 2939019657
n×2
129679894
n×3
194519841
n×4
259359788
n×5
324199735
n÷2
32419973.5
n÷3
21613315.666667
n÷3
16209986.75
n÷5
12967989.4
n2
4204218726962809
n3
2.7260131943268E+23
n4
1.7675455104145E+31
n5
1.1460755721536E+39
2 √n
8052.3255647049
3 √n
401.742289632
4 √n
89.734751154193
5 √n
36.506359835807
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64839946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64839947 can be divided by 6 positive divisors.
The sum of these divisors (counting 64839947) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
11110111010110000100001011
3
Ternary
11112000012200112
4
Quaternary
3313112010023
5
Quinary
113044334242
6
Senary
10233424535
8
Octal
367260413
10
Decimal
64839947
12
Duodecimal
1986b14b
16
Hexadecimal
3dd610b
20
Vigesimal
1054jh7
36
Base36
12lqtn
md5
82a4caf74af03430469355617f997281
sha1
34aa81568c94bdd8f89a54013614d8ff0aa58645
sha256
7d0ab62ba3e054a3275306fc953dd2c99e252039f2c7113349292997d5f22bf8
sha512
e698406cd13392694e0401c0f73a76d08758d9289770022ac8b806b02f75e8c046d321ae8c113bfef2857935eb55f50486fd2bc52c02997ba26a612a101a7ff6
ripemd-160
3347cf3ac5d62cc57a6b5042794f539005db3b79
Diameter
129679894
Circumference
407401402.3087
Area
1.3207942666711E+16
Volume
1.1418697366514E+24
Surface area
5.2831770666844E+16
Circumference
407401402.3087
Perimeter
259359788
Area
4204218726962809
Diagonal
91697532.430953
Surface area
25225312361776854
Volume
2.7260131943268E+23
Space diagonal
112306082.56407
Perimeter
194519841
Area
1.820480110308E+15
Altitude
56153041.282037
Surface area
1.820480110308E+15
Volume
3.2126373588541E+22
Height
30565844.143651