64673987 is an odd 8-digits composite number following 64673986
and preceding 64673988 . In scientific notation, it is written as 6.4673987 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 55434840 positive integers (up to 64673987) that are relatively prime to 64673987.
64673987 has 4 divisors, whose sum is 73913136
The reverse of 64673987 is 78937646
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-four million six hundred seventy-three thousand nine hundred eighty-seven
Scientific notation
6.4673987 × 10^7
Engineering notation
6.4673987 × 10^6
Prime Factorization
7 × 9239141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64673987
Product of the distinct prime numbers
The prime factorization of 64673987 is 7 × 9239141.
Since it has a total of 2 prime factors.
5 , 9 , 81 , 66 , 404 , 313 , 5955 , 2887 , 9832 , 33103 , 236319 , 661142 , 4952121 , 8089738 , 25606384 , 3487729 , 684974211 , 170190649 , 9131789875 , 7788145268
n×2
129347974
n×3
194021961
n×4
258695948
n×5
323369935
n÷2
32336993.5
n÷3
21557995.666667
n÷3
16168496.75
n÷5
12934797.4
n2
4182724594476169
n3
2.7051347604773E+23
n4
1.7495185033236E+31
n5
1.1314833694021E+39
2 √n
8042.0138646983
3 √n
401.39923920013
4 √n
89.677276189112
5 √n
36.487652825167
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
-64673986
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 64673987 can be divided by 4 positive divisors.
The sum of these divisors (counting 64673987) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110110101101100011000011
3
Ternary
11111200210000212
4
Quaternary
3312231203003
5
Quinary
113024031422
6
Senary
10230104335
8
Octal
366554303
10
Decimal
64673987
12
Duodecimal
197ab0ab
16
Hexadecimal
3dad8c3
20
Vigesimal
10444j7
36
Base36
12i6rn
md5
9e5f89d8d50aba0c2790ecf859d123ea
sha1
8691bd404249838b628b4c8e28746335b17bd0fa
sha256
b27cd65ddc6ba797769ddc3ce367b1005634cadabd1a414b113cf79f55d0416e
sha512
7e525ba92ff8d6ed22529722947339229175e4ea82d6f58f19877c95c0ba28614b72b91f15368726351b351bc8ff1148f800fefdf3796714dabfed8df6246890
ripemd-160
09732d674e766b975ff17197787f351995e6e5fc
Diameter
129347974
Circumference
406358644.87512
Area
1.3140416857996E+16
Volume
1.1331241987315E+24
Surface area
5.2561667431983E+16
Circumference
406358644.87512
Perimeter
258695948
Area
4182724594476169
Diagonal
91462829.548141
Surface area
25096347566857014
Volume
2.7051347604773E+23
Space diagonal
112018631.41205
Perimeter
194021961
Area
1.8111728779252E+15
Altitude
56009315.706025
Surface area
1.8111728779252E+15
Volume
3.1880318885949E+22
Height
30487609.84938