21929 (number)

21929 is an odd 5-digits prime number following 21928 and preceding 21930. In scientific notation, it is written as 2.1929 × 10^4. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 21928 positive integers (up to 21929) that are relatively prime to 21929.

Interesting facts

Basic properties

Name

Name twenty-one thousand nine hundred twenty-nine

Notation

Scientific notation 2.1929 × 10^4
Engineering notation 2.1929 × 10^3

Prime Factorization of 21929

Prime Factorization 21929

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21929
Product of the distinct prime numbers

The prime factorization of 21929 is 21929. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21929)

Multiplication

n×y
n×2 43858
n×3 65787
n×4 87716
n×5 109645

Division

n÷y
n÷2 10964.5
n÷3 7309.6666666667
n÷3 5482.25
n÷5 4385.8

Exponentiation

ny
n2 480881041
n3 10545240348089
n4 231246575593243681
n5 5.0710061561842E+21

Nth Root

y√n
2√n 148.08443537388
3√n 27.990217671192
4√n 12.168994838271
5√n 7.3825052675003

Divisors of 21929

1, 21929

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21930
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10965
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 148.08781178747
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999088007296
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21929 can be divided by 2 positive divisors. The sum of these divisors (counting 21929) is 21930, the average is 10965.

Base conversion 21929

Base System Value
2 Binary 101010110101001
3 Ternary 1010002012
4 Quaternary 11112221
5 Quinary 1200204
6 Senary 245305
8 Octal 52651
10 Decimal 21929
12 Duodecimal 10835
16 Hexadecimal 55a9
20 Vigesimal 2eg9
36 Base36 gx5

Cryptographic Hash Functions

md5 00e9de08dddfe2521abb83e8fbc041c4
sha1 a1ba46fe3d4109efc50cc4e276330ad05d16209d
sha256 b23075713f8ae1d3cd5e00619800b1cf60a995d03f883d3d9ed2afaabce55872
sha512 0c9f17ad23c941c7d82c3912ea9c34b3bde7c4bff1e332f84372bb9615c37b37990988434812078b429ad0f7bef2ebe7b074487f61d901ef69a43541ee2861d7
ripemd-160 8991f9e31a0f297d64d76b9e0f29d38e8769830f

21929 as geometric shapes

Circle

Radius = n
Diameter 43858
Circumference 137783.97060114
Area 1510732345.6562

Sphere

Radius = n
Volume 44171799477193
Surface area 6042929382.6248
Circumference 137783.97060114

Square

Length = n
Perimeter 87716
Area 480881041
Diagonal 31012.28920928

Cube

Length = n
Surface area 2885286246
Volume 10545240348089
Space diagonal 37982.142159178

Equilateral Triangle

Length = n
Perimeter 65787
Area 208227598.85215
Altitude 18991.071079589

Triangular Pyramid

Length = n
Surface area 208227598.85215
Volume 1242768493229.3
Height 10337.429736427