21497866 (number)

21497866 is an even 8-digits composite number following 21497865 and preceding 21497867. In scientific notation, it is written as 2.1497866 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 9897984 positive integers (up to 21497866) that are relatively prime to 21497866.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred sixty-six

Notation

Scientific notation 2.1497866 × 10^7
Engineering notation 2.1497866 × 10^6

Prime Factorization of 21497866

Prime Factorization 2 × 13 × 1433 × 577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497866
Product of the distinct prime numbers

The prime factorization of 21497866 is 2 × 13 × 1433 × 577. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 32, 83, 105, 373, 5619, 2533, 85088, 52611, 250673, 491014, 5176747, 615382, 15475901, 31014635, 182230378, 517372499, 794695271, 7848630561

Basic calculations (n = 21497866)

Multiplication

n×y
n×2 42995732
n×3 64493598
n×4 85991464
n×5 107489330

Division

n÷y
n÷2 10748933
n÷3 7165955.3333333
n÷3 5374466.5
n÷5 4299573.2

Exponentiation

ny
n2 462158242553956
n3 9.9354159692204E+21
n4 2.1359024116056E+29
n5 4.5917343833774E+36

Nth Root

y√n
2√n 4636.5791268995
3√n 278.05568816939
4√n 68.092430760691
5√n 29.273797904998

Divisors of 21497866

1, 2, 13, 26, 577, 1154, 1433, 2866, 7501, 15002, 18629, 37258, 826841, 1653682, 10748933, 21497866

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 -21497865
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 21497866 can be divided by 16 positive divisors. The sum of these divisors (counting 21497866) is 1, the average is 0.0625.

Base conversion 21497866

Base System Value
2 Binary 1010010000000100000001010
3 Ternary 1111110012112021
4 Quaternary 1102000200022
5 Quinary 21000412431
6 Senary 2044435054
8 Octal 122004012
10 Decimal 21497866
12 Duodecimal 7248a8a
16 Hexadecimal 148080a
20 Vigesimal 6e74d6
36 Base36 csruy

Cryptographic Hash Functions

md5 0c5ec5166d40782030612f823232a3ac
sha1 c807b7a2587af7f5a8df5bd2611d7b80ec124b1c
sha256 77b368c55cd7b5439f815780ef31742075ae8cea14184beb028894ecc272281e
sha512 dfc0a98f2121387622e27f6bde712e2440500993eca996d9228f15cae46deaee47b84c37eca01426eb8a2908e2d5d5a3b03c9116eabb10a13d6d98836d7da032
ripemd-160 4b4ffe4c4ac96389325274ffd35141ce3622dc8f

21497866 as geometric shapes

Circle

Radius = n
Diameter 42995732
Circumference 135075075.78692
Area 1.4519129396035E+15

Sphere

Radius = n
Volume 4.1617373092349E+22
Surface area 5.8076517584139E+15
Circumference 135075075.78692

Square

Length = n
Perimeter 85991464
Area 462158242553956
Diagonal 30402573.659279

Cube

Length = n
Surface area 2772949455323736
Volume 9.9354159692204E+21
Space diagonal 37235396.166308

Equilateral Triangle

Length = n
Perimeter 64493598
Area 2.0012038931005E+14
Altitude 18617698.083154

Triangular Pyramid

Length = n
Surface area 2.0012038931005E+14
Volume 1.1709000009575E+21
Height 10134191.21976