66248889 is an odd 8-digits composite number following 66248888
and preceding 66248890 . In scientific notation, it is written as 6.6248889 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 37813248 positive integers (up to 66248889) that are relatively prime to 66248889.
66248889 has 8 divisors, whose sum is 69482952
The reverse of 66248889 is 98884266
Previous prime number is 1493
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-six million two hundred forty-eight thousand eight hundred eighty-nine
Scientific notation
6.6248889 × 10^7
Engineering notation
6.6248889 × 10^6
Prime Factorization
21 × 1493 × 2113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66248889
Product of the distinct prime numbers
The prime factorization of 66248889 is 21 × 1493 × 2113.
Since it has a total of 3 prime factors.
2 , 10 , 79 , 97 , 289 , 367 , 5453 , 6172 , 60756 , 7944 , 723239 , 383781 , 3718581 , 1287205 , 14290114 , 33294278 , 835471105 , 329141342 , 5907676845 , 6743197396
n×2
132497778
n×3
198746667
n×4
264995556
n×5
331244445
n÷2
33124444.5
n÷3
22082963
n÷3
16562222.25
n÷5
13249777.8
n2
4388915293734321
n3
2.9076076212501E+23
n4
1.9262577455575E+31
n5
1.2761243557083E+39
2 √n
8139.3420495762
3 √n
404.63135483921
4 √n
90.218302187396
5 √n
36.663651817171
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
-66248888
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 66248889 can be divided by 8 positive divisors.
The sum of these divisors (counting 66248889) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111100101110000010111001
3
Ternary
11121122210101120
4
Quaternary
3330232002321
5
Quinary
113424431024
6
Senary
10323535453
8
Octal
374560271
10
Decimal
66248889
12
Duodecimal
1a22a589
16
Hexadecimal
3f2e0b9
20
Vigesimal
10e1249
36
Base36
13fxyx
md5
95988bd5285db5f1f8871e6318ce9569
sha1
bfc736f665f2bc3593eba8c7ab510aab77cc351d
sha256
d822b116800ac341ae57e4bbddff487f3e1761d929d28d965bd351bacc628533
sha512
e9eda79a56f0adbd42f64cb3b4325ef8c34014e92da668b31165791f7d0b42c950cbfa0b761a5c75c5bb8d0bd2d90004210210050b8e5000b150cf07f37a46b2
ripemd-160
c8c90ba7c7279c7c3195d07be82532fa287b908c
Diameter
132497778
Circumference
416254045.98177
Area
1.3788184044024E+16
Volume
1.2179358323255E+24
Surface area
5.5152736176095E+16
Circumference
416254045.98177
Perimeter
264995556
Area
4388915293734321
Diagonal
93690077.31595
Surface area
26333491762405926
Volume
2.9076076212501E+23
Space diagonal
114746441.69299
Perimeter
198746667
Area
1.900456069716E+15
Altitude
57373220.846495
Surface area
1.900456069716E+15
Volume
3.4266484433594E+22
Height
31230025.771983