64890090 is an even 8-digits composite number following 64890089
and preceding 64890091 . In scientific notation, it is written as 6.4890090 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 17123328 positive integers (up to 64890090) that are relatively prime to 64890090.
64890090 has 32 divisors, whose sum is 131135760
The reverse of 64890090 is 09009846
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-four million eight hundred ninety thousand ninety
Scientific notation
6.4890090 × 10^7
Engineering notation
6.4890090 × 10^6
Prime Factorization
2 × 5 × 9 × 97 × 7433
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64890090
Product of the distinct prime numbers
The prime factorization of 64890090 is 2 × 5 × 9 × 97 × 7433.
Since it has a total of 5 prime factors.
4 , 7 , 17 , 58 , 298 , 464 , 5984 , 7735 , 9957 , 2321 , 562931 , 310940 , 4663312 , 4253547 , 88759551 , 3129690 , 183237878 , 150658118 , 9299137981 , 6160277124
n×2
129780180
n×3
194670270
n×4
259560360
n×5
324450450
n÷2
32445045
n÷3
21630030
n÷3
16222522.5
n÷5
12978018
n2
4210723780208100
n3
2.7323424506284E+23
n4
1.773019475321E+31
n5
1.1505139332533E+39
2 √n
8055.4385355485
3 √n
401.84582340482
4 √n
89.752094881114
5 √n
36.512004419125
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 97 , 194 , 485 , 873 , 970 , 1746 , 4365 , 7433 , 8730 , 14866 , 37165 , 66897 , 74330 , 133794 , 334485 , 668970 , 721001 , 1442002 , 3605005 , 6489009 , 7210010 , 12978018 , 32445045 , 64890090
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
-64890089
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 64890090 can be divided by 32 positive divisors.
The sum of these divisors (counting 64890090) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110111100010010011101010
3
Ternary
11112002202110200
4
Quaternary
3313202103222
5
Quinary
113102440330
6
Senary
10234453030
8
Octal
367422352
10
Decimal
64890090
12
Duodecimal
19894176
16
Hexadecimal
3de24ea
20
Vigesimal
105b54a
36
Base36
12mtii
md5
036a6c573b6effabd1e34962b05c21ca
sha1
a7713c806f9648f6e6bccc7cb4ff5054e718f6d5
sha256
50eedb95994b1ff6208934b77fae6d955e33adb8e2053151be3a7701bc82637f
sha512
810aa72e72067996af266dde9a041e63403d1e1b975b9f0a3e292f5ec0986f24313a2504c8462e532508f7b897aae70953b65a01f984652e7ceb2e08fbd5c8f0
ripemd-160
a324136e69922d247dbfeb9ed210749020b5f59a
Diameter
129780180
Circumference
407716460.06956
Area
1.3228378894198E+16
Volume
1.1445209293314E+24
Surface area
5.291351557679E+16
Circumference
407716460.06956
Perimeter
259560360
Area
4210723780208100
Diagonal
91768445.341611
Surface area
25264342681248600
Volume
2.7323424506284E+23
Space diagonal
112392932.78772
Perimeter
194670270
Area
1.8232968809897E+15
Altitude
56196466.393859
Surface area
1.8232968809897E+15
Volume
3.2200964589387E+22
Height
30589481.780537