21139923 (number)

21139923 is an odd 8-digits composite number following 21139922 and preceding 21139924. In scientific notation, it is written as 2.1139923 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11687760 positive integers (up to 21139923) that are relatively prime to 21139923.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139923 × 10^7
Engineering notation 2.1139923 × 10^6

Prime Factorization of 21139923

Prime Factorization 3 × 1519 × 4639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21139923
Product of the distinct prime numbers

The prime factorization of 21139923 is 3 × 1519 × 4639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21139923)

Multiplication

n×y
n×2 42279846
n×3 63419769
n×4 84559692
n×5 105699615

Division

n÷y
n÷2 10569961.5
n÷3 7046641
n÷3 5284980.75
n÷5 4227984.6

Exponentiation

ny
n2 446896344445929
n3 9.4473543105684E+21
n4 1.9971634267913E+29
n5 4.2219881060785E+36

Nth Root

y√n
2√n 4597.817199498
3√n 276.50381877971
4√n 67.807206103024
5√n 29.175659392516

Divisors of 21139923

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 -21139922
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 21139923 can be divided by 8 positive divisors. The sum of these divisors (counting 21139923) is 1, the average is 0.125.

Base conversion 21139923

Base System Value
2 Binary 1010000101001000111010011
3 Ternary 1110210000112010
4 Quaternary 1100221013103
5 Quinary 20402434143
6 Senary 2033034003
8 Octal 120510723
10 Decimal 21139923
12 Duodecimal 70b5903
16 Hexadecimal 14291d3
20 Vigesimal 6c29g3
36 Base36 cl3o3

Cryptographic Hash Functions

md5 a452aa4a2b53debecb1478501192d8ea
sha1 347e1bd01f93528139600cf23c695b909a356e1e
sha256 ea49f98bab67ec59140c0e74286e4b2aa0b8f16d02d97285468d5e580ec50f75
sha512 6d146c2f87ec37bf2cad9f9816b74d6129eb54eb8316f240fd5186625127a051f6248d6c0f239a9a7f1476440b35694b444fdca2b3bc65c60a86cef7910fc630
ripemd-160 500610eeb5d1b29b3c932eab7fceb299932a6ae4

21139923 as geometric shapes

Circle

Radius = n
Diameter 42279846
Circumference 132826053.58851
Area 1.4039662726275E+15

Sphere

Radius = n
Volume 3.9572985197255E+22
Surface area 5.6158650905099E+15
Circumference 132826053.58851

Square

Length = n
Perimeter 84559692
Area 446896344445929
Diagonal 29896365.814123

Cube

Length = n
Surface area 2681378066675574
Volume 9.4473543105684E+21
Space diagonal 36615420.704094

Equilateral Triangle

Length = n
Perimeter 63419769
Area 1.9351179357429E+14
Altitude 18307710.352047

Triangular Pyramid

Length = n
Surface area 1.9351179357429E+14
Volume 1.1133813828791E+21
Height 9965455.2713743