64888945 is an odd 8-digits composite number following 64888944
and preceding 64888946 . In scientific notation, it is written as 6.4888945 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 47050560 positive integers (up to 64888945) that are relatively prime to 64888945.
64888945 has 16 divisors, whose sum is 85200192
The reverse of 64888945 is 54988846
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-four million eight hundred eighty-eight thousand nine hundred forty-five
Scientific notation
6.4888945 × 10^7
Engineering notation
6.4888945 × 10^6
Prime Factorization
5 × 11 × 373 × 3163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64888945
Product of the distinct prime numbers
The prime factorization of 64888945 is 5 × 11 × 373 × 3163.
Since it has a total of 4 prime factors.
9 , 3 , 52 , 45 , 336 , 875 , 5557 , 4974 , 90313 , 27122 , 351363 , 384548 , 4815582 , 5409056 , 37989679 , 48501243 , 15213734 , 988077555 , 3815157530 , 3092939610
n×2
129777890
n×3
194666835
n×4
259555780
n×5
324444725
n÷2
32444472.5
n÷3
21629648.333333
n÷3
16222236.25
n÷5
12977789
n2
4210575183213025
n3
2.7321978148187E+23
n4
1.7728943373489E+31
n5
1.1504124314705E+39
2 √n
8055.3674652371
3 √n
401.84345983808
4 √n
89.7516989546
5 √n
36.511875565736
1 , 5 , 11 , 55 , 373 , 1865 , 3163 , 4103 , 15815 , 20515 , 34793 , 173965 , 1179799 , 5898995 , 12977789 , 64888945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64888944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64888945 can be divided by 16 positive divisors.
The sum of these divisors (counting 64888945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111100010000001110001
3
Ternary
11112002200220021
4
Quaternary
3313202001301
5
Quinary
113102421240
6
Senary
10234443441
8
Octal
367420161
10
Decimal
64888945
12
Duodecimal
19893581
16
Hexadecimal
3de2071
20
Vigesimal
105b275
36
Base36
12msmp
md5
1e3d998922772824baab8a85e474f206
sha1
c243d662cb23e9919e637ea5359789167122e546
sha256
281a0c408e77bd423a5a8a387024310e04bd92a3e3bda3515674913151514bb9
sha512
d6aeb2b8717308af3b1b0b89a3f333058030fa80adf98db368c60389565de64598711ecf083d4910a0fcb525104e058f2b0192bb5491d0c13ffc0290e032e074
ripemd-160
77cec53f0b0edbaa26322fae3917455a46c4797f
Diameter
129777890
Circumference
407709265.82238
Area
1.322791206297E+16
Volume
1.1444603444252E+24
Surface area
5.2911648251878E+16
Circumference
407709265.82238
Perimeter
259555780
Area
4210575183213025
Diagonal
91766826.067082
Surface area
25263451099278150
Volume
2.7321978148187E+23
Space diagonal
112390949.58954
Perimeter
194666835
Area
1.8232325366034E+15
Altitude
56195474.794771
Surface area
1.8232325366034E+15
Volume
3.2199260040023E+22
Height
30588942.022361