21139989 (number)

21139989 is an odd 8-digits composite number following 21139988 and preceding 21139990. In scientific notation, it is written as 2.1139989 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 12042432 positive integers (up to 21139989) that are relatively prime to 21139989.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-nine thousand nine hundred eighty-nine

Notation

Scientific notation 2.1139989 × 10^7
Engineering notation 2.1139989 × 10^6

Prime Factorization of 21139989

Prime Factorization 3 × 13 × 19 × 47 × 607

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21139989
Product of the distinct prime numbers

The prime factorization of 21139989 is 3 × 13 × 19 × 47 × 607. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 8, 81, 127, 452, 1917, 5204, 56185, 65539, 383349, 288870, 158084, 4711480, 36036198, 18793598, 996021168, 370145032, 615091740, 1524450297

Basic calculations (n = 21139989)

Multiplication

n×y
n×2 42279978
n×3 63419967
n×4 84559956
n×5 105699945

Division

n÷y
n÷2 10569994.5
n÷3 7046663
n÷3 5284997.25
n÷5 4227997.8

Exponentiation

ny
n2 446899134920121
n3 9.4474427963209E+21
n4 1.9971883679235E+29
n5 4.2220540128831E+36

Nth Root

y√n
2√n 4597.8243768113
3√n 276.50410653278
4√n 67.807259027417
5√n 29.175677610096

Divisors of 21139989

1, 3, 13, 19, 39, 47, 57, 141, 247, 607, 611, 741, 893, 1821, 1833, 2679, 7891, 11533, 11609, 23673, 28529, 34599, 34827, 85587, 149929, 370877, 449787, 542051, 1112631, 1626153, 7046663, 21139989

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 -21139988
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 21139989 can be divided by 32 positive divisors. The sum of these divisors (counting 21139989) is 1, the average is 0.03125.

Base conversion 21139989

Base System Value
2 Binary 1010000101001001000010101
3 Ternary 1110210000121120
4 Quaternary 1100221020111
5 Quinary 20402434424
6 Senary 2033034153
8 Octal 120511025
10 Decimal 21139989
12 Duodecimal 70b5959
16 Hexadecimal 1429215
20 Vigesimal 6c29j9
36 Base36 cl3px

Cryptographic Hash Functions

md5 006f26bed0e921fa0eb9e6de172e35cc
sha1 d5871522b477f0c49774a51bff5b69e522b1aee3
sha256 038fa347a932fbd770cc384e4814113b2794d99f14ecae7727fab66e29587b5d
sha512 69ef181bf5c570a74ba9965ab25df781d2d50196a1d743559a285ba0ccefc9f884540a9ebdb22ade3fcc56617c3b67989b8a26cb347dba38355fd56ebe868b5b
ripemd-160 e9052a031b7215442983fa603427fbe260901fcb

21139989 as geometric shapes

Circle

Radius = n
Diameter 42279978
Circumference 132826468.27874
Area 1.4039750391607E+15

Sphere

Radius = n
Volume 3.9573355845509E+22
Surface area 5.6159001566427E+15
Circumference 132826468.27874

Square

Length = n
Perimeter 84559956
Area 446899134920121
Diagonal 29896459.152218

Cube

Length = n
Surface area 2681394809520726
Volume 9.4474427963209E+21
Space diagonal 36615535.019447

Equilateral Triangle

Length = n
Perimeter 63419967
Area 1.9351300188506E+14
Altitude 18307767.509724

Triangular Pyramid

Length = n
Surface area 1.9351300188506E+14
Volume 1.1133918110251E+21
Height 9965486.3840727