64808889 is an odd 8-digits composite number following 64808888
and preceding 64808890 . In scientific notation, it is written as 6.4808889 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 42287616 positive integers (up to 64808889) that are relatively prime to 64808889.
64808889 has 8 divisors, whose sum is 87034080
The reverse of 64808889 is 98880846
Previous prime number is 155417
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-four million eight hundred eight thousand eight hundred eighty-nine
Scientific notation
6.4808889 × 10^7
Engineering notation
6.4808889 × 10^6
Prime Factorization
3 × 155417 × 139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64808889
Product of the distinct prime numbers
The prime factorization of 64808889 is 3 × 155417 × 139.
Since it has a total of 3 prime factors.
10 , 9 , 64 , 44 , 716 , 211 , 952 , 8040 , 93605 , 64413 , 870931 , 725963 , 3540916 , 1476918 , 46638008 , 17180256 , 381208516 , 939889143 , 4293335882 , 5560572488
n×2
129617778
n×3
194426667
n×4
259235556
n×5
324044445
n÷2
32404444.5
n÷3
21602963
n÷3
16202222.25
n÷5
12961777.8
n2
4200192093414321
n3
2.7220978316077E+23
n4
1.764161362158E+31
n5
1.1433333789819E+39
2 √n
8050.3968225175
3 √n
401.67813522653
4 √n
89.724003602812
5 √n
36.502861893951
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
-64808888
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 64808889 can be divided by 8 positive divisors.
The sum of these divisors (counting 64808889) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110111001110011110111001
3
Ternary
11111221122002020
4
Quaternary
3313032132321
5
Quinary
113042341024
6
Senary
10233025053
8
Octal
367163671
10
Decimal
64808889
12
Duodecimal
19855189
16
Hexadecimal
3dce7b9
20
Vigesimal
1051249
36
Base36
12l2ux
md5
1328026d40e264fd1d8bfea7f4abafb8
sha1
ec0b2014a6641dbdfa06100d5a5495ccd680bf46
sha256
d8b6394c5f0d50766a75011eb5138dc6db7e333e19f09ee7ae42ad3d673c5343
sha512
e9a9d6aa2ee6bcbd4e7d4ef8f954ac1f121073902edfeb75c11f7e5738a76bc1fa6f4d7da9cb2c6d5f143ddafc5172a835e8d2010e4031174d3b224424c37e97
ripemd-160
43103bf705041c1a76945df6dace37e93d659e45
Diameter
129617778
Circumference
407206259.13943
Area
1.3195292624336E+16
Volume
1.1402296733508E+24
Surface area
5.2781170497345E+16
Circumference
407206259.13943
Perimeter
259235556
Area
4200192093414321
Diagonal
91653609.786132
Surface area
25201152560485926
Volume
2.7220978316077E+23
Space diagonal
112252288.53009
Perimeter
194426667
Area
1.8187365268357E+15
Altitude
56126144.265046
Surface area
1.8187365268357E+15
Volume
3.2080230596383E+22
Height
30551203.262044