64989845 is an odd 8-digits composite number following 64989844
and preceding 64989846 . In scientific notation, it is written as 6.4989845 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 51906960 positive integers (up to 64989845) that are relatively prime to 64989845.
64989845 has 8 divisors, whose sum is 78115200
The reverse of 64989845 is 54898946
Previous prime number is 631
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-four million nine hundred eighty-nine thousand eight hundred forty-five
Scientific notation
6.4989845 × 10^7
Engineering notation
6.4989845 × 10^6
Prime Factorization
5 × 631 × 20599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64989845
Product of the distinct prime numbers
The prime factorization of 64989845 is 5 × 631 × 20599.
Since it has a total of 3 prime factors.
9 , 5 , 55 , 90 , 847 , 851 , 9544 , 9577 , 36251 , 1032 , 197389 , 789884 , 9047071 , 1997298 , 9051690 , 87493748 , 409671065 , 531766435 , 8489231353 , 4143056094
n×2
129979690
n×3
194969535
n×4
259959380
n×5
324949225
n÷2
32494922.5
n÷3
21663281.666667
n÷3
16247461.25
n÷5
12997969
n2
4223679953124025
n3
2.7449630548314E+23
n4
1.7839472346422E+31
n5
1.1593845426757E+39
2 √n
8061.6279373337
3 √n
402.05163606578
4 √n
89.786568802543
5 √n
36.523223443112
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64989844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64989845 can be divided by 8 positive divisors.
The sum of these divisors (counting 64989845) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110111111010101010010101
3
Ternary
11112021211022022
4
Quaternary
3313322222111
5
Quinary
113114133340
6
Senary
10240542525
8
Octal
367725225
10
Decimal
64989845
12
Duodecimal
19921a45
16
Hexadecimal
3dfaa95
20
Vigesimal
1063ec5
36
Base36
12oyhh
md5
a243546e30162962d424cfe292dd4282
sha1
a64ea365fb399246a81bcc5b9daccc1c80616649
sha256
31377377ac538e5e14c0d1e13ae69d961767be058f9a0b1c93794aabe7238d6e
sha512
ddc9eab469d0fb684689947e7e0494b33663dfba405c2c1114ab87137ab22800409bbeaf4496563a60f9ff39c90a1a2b70b6c490a3cd6da9c6f2f2da00d580f2
ripemd-160
fa95cac1661185e3454de1765e6b5c4f31723ffe
Diameter
129979690
Circumference
408343239.21988
Area
1.3269081911849E+16
Volume
1.1498074356578E+24
Surface area
5.3076327647396E+16
Circumference
408343239.21988
Perimeter
259959380
Area
4223679953124025
Diagonal
91909520.215525
Surface area
25342079718744150
Volume
2.7449630548314E+23
Space diagonal
112565713.51603
Perimeter
194969535
Area
1.8289070684302E+15
Altitude
56282856.758013
Surface area
1.8289070684302E+15
Volume
3.2349699836297E+22
Height
30636506.738508