30921 (number)

30921 is an odd 5-digits composite number following 30920 and preceding 30922. In scientific notation, it is written as 3.0921 × 10^4. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 18720 positive integers (up to 30921) that are relatively prime to 30921.

Interesting facts

Basic properties

Name

Name thirty thousand nine hundred twenty-one

Notation

Scientific notation 3.0921 × 10^4
Engineering notation 3.0921 × 10^3

Prime Factorization of 30921

Prime Factorization 33 × 937

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30921
Product of the distinct prime numbers

The prime factorization of 30921 is 33 × 937. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 54, 29, 54, 819, 9884, 767, 50127, 947, 979154, 573487, 2068883, 7495034, 29008834, 90665113, 325225364, 28151950, 1010468276, 1403679507

Basic calculations (n = 30921)

Multiplication

n×y
n×2 61842
n×3 92763
n×4 123684
n×5 154605

Division

n÷y
n÷2 15460.5
n÷3 10307
n÷3 7730.25
n÷5 6184.2

Exponentiation

ny
n2 956108241
n3 29563822919961
n4 914142968508114081
n5 2.8266214729239E+22

Nth Root

y√n
2√n 175.84368058022
3√n 31.387098977592
4√n 13.260606342857
5√n 7.9077094925612

Divisors of 30921

1, 33, 937, 30921

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 -30920
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 30921 can be divided by 4 positive divisors. The sum of these divisors (counting 30921) is 1, the average is 0.25.

Base conversion 30921

Base System Value
2 Binary 111100011001001
3 Ternary 1120102020
4 Quaternary 13203021
5 Quinary 1442141
6 Senary 355053
8 Octal 74311
10 Decimal 30921
12 Duodecimal 15a89
16 Hexadecimal 78c9
20 Vigesimal 3h61
36 Base36 nux

Cryptographic Hash Functions

md5 295fd4bf7e3292b97e341d8eb21b82ea
sha1 c05b3a3537a3082a407e5ed9e1f0bcdfbe85ded1
sha256 1aa812d1d5471e3bc4cfc32d8452a5d2700e95685ede49ecd3d3c951d09052de
sha512 79f35549191288905d09bdc17ea821fccca6bc24b0f9237b3ea10c59f230dbbfd8dab0a3df6f7b01f9b4a44a0f99fe1436de135e2a1c2fd6efa87aa0e619ec3d
ripemd-160 2d75350aa0a82a018ca3993de0855da93cb82735

30921 as geometric shapes

Circle

Radius = n
Diameter 61842
Circumference 194282.3728833
Area 3003702625.9623

Sphere

Radius = n
Volume 1.2383665186317E+14
Surface area 12014810503.849
Circumference 194282.3728833

Square

Length = n
Perimeter 123684
Area 956108241
Diagonal 43728.897562138

Cube

Length = n
Surface area 5736649446
Volume 29563822919961
Space diagonal 53556.743020837

Equilateral Triangle

Length = n
Perimeter 92763
Area 414007012.73683
Altitude 26778.371510419

Triangular Pyramid

Length = n
Surface area 414007012.73683
Volume 3484129944083.8
Height 14576.299187379