266021981 (number)

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.

Interesting facts

Basic properties

Name

Name two hundred sixty-six million twenty-one thousand nine hundred eighty-one

Notation

Scientific notation 2.66021981 × 10^8
Engineering notation 2.66021981 × 10^6

Prime Factorization of 266021981

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.

Most popular turbo-numbers

Basic calculations (n = 266021981)

Multiplication

n×y
n×2 532043962
n×3 798065943
n×4 1064087924
n×5 1330109905

Division

n÷y
n÷2 133010990.5
n÷3 88673993.666667
n÷3 66505495.25
n÷5 53204396.2

Exponentiation

ny
n2 70767694375164361
n3 1.8825762248484E+25
n4 5.0080665671767E+33
n5 1.3322557891802E+42

Nth Root

y√n
2√n 16310.18028717
3√n 643.14047353896
4√n 127.7113162064
5√n 48.415397811739

Divisors of 266021981

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 conversion 266021981

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

Cryptographic Hash Functions

md5 6a7729a9be825a39c1ddd03a2b1152be
sha1 023a7a99d9ef8688a7e943d42cd21ccf1e0d003e
sha256 52c7a9cb53ce0fabca5573b601b412fc6ce3e5f76650637b2366d5b0a1571609
sha512 cd5497136094b421907e5ebd5d668b578902eeef1eeb6e9eda7213b6bb54b75c4b24139874d6d9a03ea23fcc288731c2b0914be625a3eecacfd171b30efdf21d
ripemd-160 3da1e0981313a72c879957f5f855f9a6fe9e8366

266021981 as geometric shapes

Circle

Radius = n
Diameter 532043962
Circumference 1671465402.406
Area 2.223232687605E+17

Sphere

Radius = n
Volume 7.8857168504086E+25
Surface area 8.8929307504202E+17
Circumference 1671465402.406

Square

Length = n
Perimeter 1064087924
Area 70767694375164361
Diagonal 376211893.41956

Cube

Length = n
Surface area 424606166250986166
Volume 1.8825762248484E+25
Space diagonal 460763587.02212

Equilateral Triangle

Length = n
Perimeter 798065943
Area 3.0643310548073E+16
Altitude 230381793.51106

Triangular Pyramid

Length = n
Surface area 3.0643310548073E+16
Volume 2.2186373578181E+24
Height 125403964.47319