66448840 is an even 8-digits composite number following 66448839
and preceding 66448841 . In scientific notation, it is written as 6.6448840 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors.
There are 25423552 positive integers (up to 66448840) that are relatively prime to 66448840.
66448840 has 32 divisors, whose sum is 156012480
The reverse of 66448840 is 04884466
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million four hundred forty-eight thousand eight hundred forty
Scientific notation
6.6448840 × 10^7
Engineering notation
6.6448840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 23 × 72227
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16612210
Product of the distinct prime numbers
The prime factorization of 66448840 is 2 × 2 × 2 × 5 × 23 × 72227.
Since it has a total of 6 prime factors.
3 , 7 , 3 , 90 , 199 , 854 , 5404 , 6286 , 98269 , 59858 , 381565 , 646066 , 9726410 , 5839062 , 39445202 , 76104032 , 28101464 , 507491832 , 1062432702 , 3849005434
n×2
132897680
n×3
199346520
n×4
265795360
n×5
332244200
n÷2
33224420
n÷3
22149613.333333
n÷3
16612210
n÷5
13289768
n2
4415448337345600
n3
2.9340142009654E+23
n4
1.9496184019768E+31
n5
1.2954988125401E+39
2 √n
8151.6157907497
3 √n
405.03802924917
4 √n
90.286299020115
5 √n
36.685756638914
1 , 2 , 4 , 5 , 8 , 10 , 20 , 23 , 40 , 46 , 92 , 115 , 184 , 230 , 460 , 920 , 72227 , 144454 , 288908 , 361135 , 577816 , 722270 , 1444540 , 1661221 , 2889080 , 3322442 , 6644884 , 8306105 , 13289768 , 16612210 , 33224420 , 66448840
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
-66448839
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 66448840 can be divided by 32 positive divisors.
The sum of these divisors (counting 66448840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111101011110110111001000
3
Ternary
11122000221200011
4
Quaternary
3331132313020
5
Quinary
114002330330
6
Senary
10332121304
8
Octal
375366710
10
Decimal
66448840
12
Duodecimal
1a306234
16
Hexadecimal
3f5edc8
20
Vigesimal
10f6220
36
Base36
13k894
md5
0d379b0a4c5d3c2b81f9c2a45c03404e
sha1
e91ab0a247ee31464b534d4477fa6f29ae4b4f01
sha256
566050416eaeb3dd5a759278316d60d5948cce63e4b6737965ab608b51612718
sha512
ce73ba682829e6b7edac9d068e7535ca887cb6fc549a8d7d19d04356acb1f61b5bcbf3428f9504fbfc771f746db25c2d15f625c80a5473136db01ceaeb39921e
ripemd-160
ca4f84f18fd7867c8bb1d52f114b767126a5f5de
Diameter
132897680
Circumference
417510375.16713
Area
1.387154005891E+16
Volume
1.2289969945708E+24
Surface area
5.5486160235641E+16
Circumference
417510375.16713
Perimeter
265795360
Area
4415448337345600
Diagonal
93972850.73196
Surface area
26492690024073600
Volume
2.9340142009654E+23
Space diagonal
115092766.98402
Perimeter
199346520
Area
1.9119452146195E+15
Altitude
57546383.492008
Surface area
1.9119452146195E+15
Volume
3.4577688960005E+22
Height
31324283.57732