64761381 is an odd 8-digits composite number following 64761380
and preceding 64761382 . In scientific notation, it is written as 6.4761381 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 40634496 positive integers (up to 64761381) that are relatively prime to 64761381.
64761381 has 12 divisors, whose sum is 99047052
The reverse of 64761381 is 18316746
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-four million seven hundred sixty-one thousand three hundred eighty-one
Scientific notation
6.4761381 × 10^7
Engineering notation
6.4761381 × 10^6
Prime Factorization
3 × 3 × 17 × 423277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21587127
Product of the distinct prime numbers
The prime factorization of 64761381 is 3 × 3 × 17 × 423277.
Since it has a total of 4 prime factors.
2 , 1 , 92 , 32 , 13 , 960 , 6575 , 1076 , 73588 , 94120 , 631201 , 838547 , 8655775 , 3794596 , 63824468 , 11200665 , 633409543 , 241238573 , 3634446954 , 6037317244
n×2
129522762
n×3
194284143
n×4
259045524
n×5
323806905
n÷2
32380690.5
n÷3
21587127
n÷3
16190345.25
n÷5
12952276.2
n2
4194036469027161
n3
2.7161159369856E+23
n4
1.758994190353E+31
n5
1.1391489293824E+39
2 √n
8047.445619574
3 √n
401.57996150406
4 √n
89.707556089629
5 √n
36.497508657049
1 , 3 , 9 , 17 , 51 , 153 , 423277 , 1269831 , 3809493 , 7195709 , 21587127 , 64761381
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64761380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64761381 can be divided by 12 positive divisors.
The sum of these divisors (counting 64761381) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11110111000010111000100101
3
Ternary
11111212012220200
4
Quaternary
3313002320211
5
Quinary
113034331011
6
Senary
10232021113
8
Octal
367027045
10
Decimal
64761381
12
Duodecimal
19831799
16
Hexadecimal
3dc2e25
20
Vigesimal
104f391
36
Base36
12k279
md5
09a153882bb23634e13d9d622d714990
sha1
908a348495ad798d0bf6e7669be814dba99a00d0
sha256
e3ed1b9f80488fb7f89e516d68b41dee77bedeadbb9476448887954f5af0a97c
sha512
9269eb83d22eda10b3e1002981956123bfd3986386411786cf8c7b8f1cb67c106cada69f12e81de606d247e18edf314acde7a4ccad7e91df47a96540080e0204
ripemd-160
f0361817707a915d1d452f3fa8fb433a1d7d3b62
Diameter
129522762
Circumference
406907757.57186
Area
1.3175954159983E+16
Volume
1.137723983191E+24
Surface area
5.2703816639934E+16
Circumference
406907757.57186
Perimeter
259045524
Area
4194036469027161
Diagonal
91586423.328211
Surface area
25164218814162966
Volume
2.7161159369856E+23
Space diagonal
112170002.26033
Perimeter
194284143
Area
1.816071063288E+15
Altitude
56085001.130163
Surface area
1.816071063288E+15
Volume
3.200973329219E+22
Height
30528807.77607