12921 (number)

12921 is an odd 5-digits composite number following 12920 and preceding 12922. In scientific notation, it is written as 1.2921 × 10^4. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 8352 positive integers (up to 12921) that are relatively prime to 12921.

Interesting facts

Basic properties

Name

Name twelve thousand nine hundred twenty-one

Notation

Scientific notation 1.2921 × 10^4
Engineering notation 1.2921 × 10^3

Prime Factorization of 12921

Prime Factorization 177 × 73

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12921
Product of the distinct prime numbers

The prime factorization of 12921 is 177 × 73. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 17, 10, 837, 344, 3608, 7778, 57219, 50543, 995875, 904830, 1361684, 6760026, 5917483, 88110862, 576725650, 604876367, 4001015370, 9616605889

Basic calculations (n = 12921)

Multiplication

n×y
n×2 25842
n×3 38763
n×4 51684
n×5 64605

Division

n÷y
n÷2 6460.5
n÷3 4307
n÷3 3230.25
n÷5 2584.2

Exponentiation

ny
n2 166952241
n3 2157189905961
n4 27873050774922081
n5 3.6014768906277E+20

Nth Root

y√n
2√n 113.67057666784
3√n 23.465620469601
4√n 10.661640430433
5√n 6.6413936913833

Divisors of 12921

1, 73, 177, 12921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12921 can be divided by 4 positive divisors. The sum of these divisors (counting 12921) is 1, the average is 0.25.

Base conversion 12921

Base System Value
2 Binary 11001001111001
3 Ternary 122201120
4 Quaternary 3021321
5 Quinary 403141
6 Senary 135453
8 Octal 31171
10 Decimal 12921
12 Duodecimal 7589
16 Hexadecimal 3279
20 Vigesimal 1c61
36 Base36 9yx

Cryptographic Hash Functions

md5 0b0ee8b71cee482463da696285a4def0
sha1 764d02b413bcc5332c889cdfaa69aedc312703d1
sha256 aee4cac52d9e10412d527732d5f8e3688c09dcbb6ca3d2334094a5e2dfe36b81
sha512 fffcd9e956ffc9efb7ab2ac204fc194afca9b4afed29bb256fbe50f3cdc078bde88b5835aabac3652410ceaba3a4e271c459422e7be8d2034109474d04b18a3b
ripemd-160 9115442442c2c4bb5c8dfa0fb4520590e50b86b5

12921 as geometric shapes

Circle

Radius = n
Diameter 25842
Circumference 81185.037354067
Area 524495933.82595

Sphere

Radius = n
Volume 9036015947953.5
Surface area 2097983735.3038
Circumference 81185.037354067

Square

Length = n
Perimeter 51684
Area 166952241
Diagonal 18273.053439423

Cube

Length = n
Surface area 1001713446
Volume 2157189905961
Space diagonal 22379.828484597

Equilateral Triangle

Length = n
Perimeter 38763
Area 72292440.962371
Altitude 11189.914242299

Triangular Pyramid

Length = n
Surface area 72292440.962371
Volume 254227268468.7
Height 6091.0178131409