21014987 (number)

21014987 is an odd 8-digits composite number following 21014986 and preceding 21014988. In scientific notation, it is written as 2.1014987 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17837352 positive integers (up to 21014987) that are relatively prime to 21014987.

Interesting facts

Basic properties

Name

Name twenty-one million fourteen thousand nine hundred eighty-seven

Notation

Scientific notation 2.1014987 × 10^7
Engineering notation 2.1014987 × 10^6

Prime Factorization of 21014987

Prime Factorization 7 × 103 × 29147

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21014987
Product of the distinct prime numbers

The prime factorization of 21014987 is 7 × 103 × 29147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21014987)

Multiplication

n×y
n×2 42029974
n×3 63044961
n×4 84059948
n×5 105074935

Division

n÷y
n÷2 10507493.5
n÷3 7004995.6666667
n÷3 5253746.75
n÷5 4202997.4

Exponentiation

ny
n2 441629678610169
n3 9.2808419548069E+21
n4 1.9503677302932E+29
n5 4.0986952497331E+36

Nth Root

y√n
2√n 4584.2106190706
3√n 275.95803377192
4√n 67.706798913186
5√n 29.141092210864

Divisors of 21014987

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 -21014986
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 21014987 can be divided by 8 positive divisors. The sum of these divisors (counting 21014987) is 1, the average is 0.125.

Base conversion 21014987

Base System Value
2 Binary 1010000001010100111001011
3 Ternary 1110112200010212
4 Quaternary 1100022213023
5 Quinary 20334434422
6 Senary 2030231335
8 Octal 120124713
10 Decimal 21014987
12 Duodecimal 705554b
16 Hexadecimal 140a9cb
20 Vigesimal 6b6h97
36 Base36 cif9n

Cryptographic Hash Functions

md5 59fd9737bee015c0995a4d6248a4e61c
sha1 2a6bae5b1da77853486df68e07168fda22525b08
sha256 00e2bd0e140a9ac5861d992645de0eef258468a31cb9610fb06a4ee6ab6ab9d8
sha512 35ff4a9f82950b6d701266dc3e1a0b10b52ee0cdb51a62d27f91991692b93dea8c92e7ef50422c9344a7b4503b254174e1bf64b2c7e0031c023bc7e8f783b641
ripemd-160 bdb0bd00ca3a712492913d349eab38034d697718

21014987 as geometric shapes

Circle

Radius = n
Diameter 42029974
Circumference 132041057.54897
Area 1.3874205539289E+15

Sphere

Radius = n
Volume 3.8875499872466E+22
Surface area 5.5496822157157E+15
Circumference 132041057.54897

Square

Length = n
Perimeter 84059948
Area 441629678610169
Diagonal 29719679.628494

Cube

Length = n
Surface area 2649778071661014
Volume 9.2808419548069E+21
Space diagonal 36399025.204399

Equilateral Triangle

Length = n
Perimeter 63044961
Area 1.9123126037078E+14
Altitude 18199512.6022

Triangular Pyramid

Length = n
Surface area 1.9123126037078E+14
Volume 1.0937577135608E+21
Height 9906559.8761648