21139969 (number)

21139969 is an odd 8-digits composite number following 21139968 and preceding 21139970. In scientific notation, it is written as 2.1139969 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 20512800 positive integers (up to 21139969) that are relatively prime to 21139969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139969 × 10^7
Engineering notation 2.1139969 × 10^6

Prime Factorization of 21139969

Prime Factorization 41 × 199 × 2591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21139969
Product of the distinct prime numbers

The prime factorization of 21139969 is 41 × 199 × 2591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21139969)

Multiplication

n×y
n×2 42279938
n×3 63419907
n×4 84559876
n×5 105699845

Division

n÷y
n÷2 10569984.5
n÷3 7046656.3333333
n÷3 5284992.25
n÷5 4227993.8

Exponentiation

ny
n2 446898289320961
n3 9.4474159823981E+21
n4 1.99718080998E+29
n5 4.2220340410372E+36

Nth Root

y√n
2√n 4597.8222018691
3√n 276.50401933494
4√n 67.807242989736
5√n 29.175672089622

Divisors of 21139969

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 -21139968
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 21139969 can be divided by 8 positive divisors. The sum of these divisors (counting 21139969) is 1, the average is 0.125.

Base conversion 21139969

Base System Value
2 Binary 1010000101001001000000001
3 Ternary 1110210000120211
4 Quaternary 1100221020001
5 Quinary 20402434334
6 Senary 2033034121
8 Octal 120511001
10 Decimal 21139969
12 Duodecimal 70b5941
16 Hexadecimal 1429201
20 Vigesimal 6c29i9
36 Base36 cl3pd

Cryptographic Hash Functions

md5 b87c206579ea4a6d2bd3cc2df3c7281b
sha1 68239542be98d321b1bd34d930e7b608e6c8e95d
sha256 b3421e0fb82c5f3c7078a98cad57b7cec31c174597958a48f68be7f2246f03aa
sha512 60dbdf3cc772f459cd0893126e84e54f9d6807866ee69dbdc4a0a06ab47d6f8cbba3fc6821667c6110451bdd78a4a5868e8fc8ce1633bfa8130f4d1a749e11a6
ripemd-160 b6363fb62547a3f2b53fc0ef960b4f89b5584f71

21139969 as geometric shapes

Circle

Radius = n
Diameter 42279938
Circumference 132826342.61503
Area 1.4039723826326E+15

Sphere

Radius = n
Volume 3.9573243527612E+22
Surface area 5.6158895305303E+15
Circumference 132826342.61503

Square

Length = n
Perimeter 84559876
Area 446898289320961
Diagonal 29896430.867947

Cube

Length = n
Surface area 2681389735925766
Volume 9.4474159823981E+21
Space diagonal 36615500.378431

Equilateral Triangle

Length = n
Perimeter 63419907
Area 1.9351263572988E+14
Altitude 18307750.189216

Triangular Pyramid

Length = n
Surface area 1.9351263572988E+14
Volume 1.113388650974E+21
Height 9965476.9559823