266021981 is an odd 9-digits composite number following 266021980
and preceding 266021982 . In scientific notation, it is written as 2.66021981 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 254928000 positive integers (up to 266021981) that are relatively prime to 266021981.
266021981 has 8 divisors, whose sum is 273485184
The reverse of 266021981 is 189120662
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred sixty-six million twenty-one thousand nine hundred eighty-one
Scientific notation
2.66021981 × 10^8
Engineering notation
2.66021981 × 10^6
Prime Factorization
22927 × 41 × 283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
266021981
Product of the distinct prime numbers
The prime factorization of 266021981 is 22927 × 41 × 283.
Since it has a total of 3 prime factors.
3 , 2 , 6 , 70 , 892 , 208 , 6588 , 9370 , 80880 , 73990 , 52190 , 726666 , 8305096 , 7466426 , 45823907 , 94234966 , 74287769 , 54974301 , 646596625 , 817054740
n×2
532043962
n×3
798065943
n×4
1064087924
n×5
1330109905
n÷2
133010990.5
n÷3
88673993.666667
n÷3
66505495.25
n÷5
53204396.2
n2
70767694375164361
n3
1.8825762248484E+25
n4
5.0080665671767E+33
n5
1.3322557891802E+42
2 √n
16310.18028717
3 √n
643.14047353896
4 √n
127.7113162064
5 √n
48.415397811739
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
-266021980
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 266021981 can be divided by 8 positive divisors.
The sum of these divisors (counting 266021981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111110110110010110001011101
3
Ternary
200112120022112222
4
Quaternary
33312302301131
5
Quinary
1021100200411
6
Senary
42221435125
8
Octal
1766626135
10
Decimal
266021981
12
Duodecimal
7510baa5
16
Hexadecimal
fdb2c5d
20
Vigesimal
432cej1
36
Base36
4edrvh
md5
6a7729a9be825a39c1ddd03a2b1152be
sha1
023a7a99d9ef8688a7e943d42cd21ccf1e0d003e
sha256
52c7a9cb53ce0fabca5573b601b412fc6ce3e5f76650637b2366d5b0a1571609
sha512
cd5497136094b421907e5ebd5d668b578902eeef1eeb6e9eda7213b6bb54b75c4b24139874d6d9a03ea23fcc288731c2b0914be625a3eecacfd171b30efdf21d
ripemd-160
3da1e0981313a72c879957f5f855f9a6fe9e8366
Diameter
532043962
Circumference
1671465402.406
Area
2.223232687605E+17
Volume
7.8857168504086E+25
Surface area
8.8929307504202E+17
Circumference
1671465402.406
Perimeter
1064087924
Area
70767694375164361
Diagonal
376211893.41956
Surface area
424606166250986166
Volume
1.8825762248484E+25
Space diagonal
460763587.02212
Perimeter
798065943
Area
3.0643310548073E+16
Altitude
230381793.51106
Surface area
3.0643310548073E+16
Volume
2.2186373578181E+24
Height
125403964.47319