64888920 is an even 8-digits composite number following 64888919
and preceding 64888921 . In scientific notation, it is written as 6.4888920 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors.
There are 17303616 positive integers (up to 64888920) that are relatively prime to 64888920.
64888920 has 32 divisors, whose sum is 173038080
The reverse of 64888920 is 02988846
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-four million eight hundred eighty-eight thousand nine hundred twenty
Scientific notation
6.4888920 × 10^7
Engineering notation
6.4888920 × 10^6
Prime Factorization
2 × 2 × 2 × 15 × 3 × 180247
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16222230
Product of the distinct prime numbers
The prime factorization of 64888920 is 2 × 2 × 2 × 15 × 3 × 180247.
Since it has a total of 6 prime factors.
4 , 2 , 35 , 69 , 226 , 407 , 8934 , 9855 , 62893 , 32251 , 725870 , 12137 , 9658331 , 4463217 , 82210598 , 81928977 , 412851127 , 403069724 , 2023928052 , 9049974010
n×2
129777840
n×3
194666760
n×4
259555680
n×5
324444600
n÷2
32444460
n÷3
21629640
n÷3
16222230
n÷5
12977784
n2
4210571938766400
n3
2.7321946568886E+23
n4
1.7728916051527E+31
n5
1.1504102153543E+39
2 √n
8055.3659134766
3 √n
401.84340823151
4 √n
89.751690309857
5 √n
36.511872752323
1 , 2 , 3 , 4 , 6 , 8 , 12 , 15 , 24 , 30 , 45 , 60 , 90 , 120 , 180 , 360 , 180247 , 360494 , 540741 , 720988 , 1081482 , 1441976 , 2162964 , 2703705 , 4325928 , 5407410 , 8111115 , 10814820 , 16222230 , 21629640 , 32444460 , 64888920
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64888919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64888920 can be divided by 32 positive divisors.
The sum of these divisors (counting 64888920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110111100010000001011000
3
Ternary
11112002200212100
4
Quaternary
3313202001120
5
Quinary
113102421140
6
Senary
10234443400
8
Octal
367420130
10
Decimal
64888920
12
Duodecimal
19893560
16
Hexadecimal
3de2058
20
Vigesimal
105b260
36
Base36
12msm0
md5
5b706e8a63c34ce779440a6dadfc23f1
sha1
c52a6428eb62f818fa8421dc47709b889c1bd795
sha256
186a12dc157d4382afe0970f6652c9ef9915c36f5af68ba2f5c5346f1c456424
sha512
88b0cc1e07dc841ff1ce2551a204a1a4f6e3cc2c959d43018bddac1b379d7246133d4e010b1803ef9edcffb8b81ddab929fd8502836f76a86e9b16fcbe9ecbac
ripemd-160
eb940c96f895b4c5c2131ac70b3dd265ca9fe42a
Diameter
129777840
Circumference
407709108.74275
Area
1.322790187024E+16
Volume
1.1444590216345E+24
Surface area
5.2911607480959E+16
Circumference
407709108.74275
Perimeter
259555680
Area
4210571938766400
Diagonal
91766790.711743
Surface area
25263431632598400
Volume
2.7321946568886E+23
Space diagonal
112390906.28827
Perimeter
194666760
Area
1.8232311317168E+15
Altitude
56195453.144136
Surface area
1.8232311317168E+15
Volume
3.2199222823459E+22
Height
30588930.237248