66448890 is an even 8-digits composite number following 66448889
and preceding 66448891 . In scientific notation, it is written as 6.6448890 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 16785792 positive integers (up to 66448890) that are relatively prime to 66448890.
66448890 has 16 divisors, whose sum is 105704640
The reverse of 66448890 is 09884466
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million four hundred forty-eight thousand eight hundred ninety
Scientific notation
6.6448890 × 10^7
Engineering notation
6.6448890 × 10^6
Prime Factorization
2 × 135 × 19 × 12953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66448890
Product of the distinct prime numbers
The prime factorization of 66448890 is 2 × 135 × 19 × 12953.
Since it has a total of 4 prime factors.
4 , 3 , 53 , 84 , 287 , 679 , 2395 , 8761 , 95887 , 71193 , 905455 , 390114 , 596222 , 2228875 , 21376958 , 45812083 , 222535365 , 559017837 , 632073380 , 5218574361
n×2
132897780
n×3
199346670
n×4
265795560
n×5
332244450
n÷2
33224445
n÷3
22149630
n÷3
16612222.5
n÷5
13289778
n2
4415454982232100
n3
2.9340208241429E+23
n4
1.9496242700118E+31
n5
1.2955036865935E+39
2 √n
8151.6188576258
3 √n
405.03813084059
4 √n
90.286316004286
5 √n
36.685762159815
1 , 2 , 19 , 38 , 135 , 270 , 2565 , 5130 , 12953 , 25906 , 246107 , 492214 , 1748655 , 3497310 , 33224445 , 66448890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66448889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66448890 can be divided by 16 positive divisors.
The sum of these divisors (counting 66448890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101011110110111111010
3
Ternary
11122000221202000
4
Quaternary
3331132313322
5
Quinary
114002331030
6
Senary
10332121430
8
Octal
375366772
10
Decimal
66448890
12
Duodecimal
1a306276
16
Hexadecimal
3f5edfa
20
Vigesimal
10f624a
36
Base36
13k8ai
md5
05e77b3240161adf9fd36f0c8f0a887f
sha1
84201d18fc2d4f78bdbc3e8ab01045b30df5b1bf
sha256
263bdd6dfd84100ecbe4a9f5af06316ffc06a91891ab897485ef5fce5c04be90
sha512
a3251cc52193b61867649e4c171d935d01efc4e5ec8ff5b8083df8316af2567d78b25fd6b059965b1853a2af423cdfa16ed9f467aba3f74b9a47f65733ca83c0
ripemd-160
d19d8cf2a9565197d9f8ac69e8533a698d8b4fd5
Diameter
132897780
Circumference
417510689.32639
Area
1.3871560934437E+16
Volume
1.2289997688809E+24
Surface area
5.5486243737747E+16
Circumference
417510689.32639
Perimeter
265795560
Area
4415454982232100
Diagonal
93972921.442638
Surface area
26492729893392600
Volume
2.9340208241429E+23
Space diagonal
115092853.58656
Perimeter
199346670
Area
1.9119480919398E+15
Altitude
57546426.793278
Surface area
1.9119480919398E+15
Volume
3.45777670149E+22
Height
31324307.147546