33991 (number)

33991 is an odd 5-digits composite number following 33990 and preceding 33992. In scientific notation, it is written as 3.3991 × 10^4. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 32184 positive integers (up to 33991) that are relatively prime to 33991.

Interesting facts

Basic properties

Name

Name thirty-three thousand nine hundred ninety-one

Notation

Scientific notation 3.3991 × 10^4
Engineering notation 3.3991 × 10^3

Prime Factorization of 33991

Prime Factorization 19 × 1789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 33991
Product of the distinct prime numbers

The prime factorization of 33991 is 19 × 1789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 33991)

Multiplication

n×y
n×2 67982
n×3 101973
n×4 135964
n×5 169955

Division

n÷y
n÷2 16995.5
n÷3 11330.333333333
n÷3 8497.75
n÷5 6798.2

Exponentiation

ny
n2 1155388081
n3 39272796261271
n4 1334921617716862561
n5 4.5375320707814E+22

Nth Root

y√n
2√n 184.36648285412
3√n 32.393259279518
4√n 13.578161983646
5√n 8.0588447302954

Divisors of 33991

1, 19, 1789, 33991

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 -33990
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 33991 can be divided by 4 positive divisors. The sum of these divisors (counting 33991) is 1, the average is 0.25.

Base conversion 33991

Base System Value
2 Binary 1000010011000111
3 Ternary 1201121221
4 Quaternary 20103013
5 Quinary 2041431
6 Senary 421211
8 Octal 102307
10 Decimal 33991
12 Duodecimal 17807
16 Hexadecimal 84c7
20 Vigesimal 44jb
36 Base36 q87

Cryptographic Hash Functions

md5 57362b724248d953ff60c2d627e7dafa
sha1 dc009073bd9fc7ba3dd59c376a0b99a66854f7b7
sha256 c9e8eef4a1a961e0db54ebae71032be10666085ed569a3e3aa941db983665a8e
sha512 67864256aff03f3c5b957e752893fef4bb93de1d697de3a16459f1bfec75b11d4378d2e543185ebd4a10628d58c0f856b5261a7cd9ea1f928027ad788383b9fb
ripemd-160 17bd6e07b14293c7af2df7ac95014fc5b0da0b71

33991 as geometric shapes

Circle

Radius = n
Diameter 67982
Circumference 213571.75177634
Area 3629758707.3148

Sphere

Radius = n
Volume 1.6450550429378E+14
Surface area 14519034829.259
Circumference 213571.75177634

Square

Length = n
Perimeter 135964
Area 1155388081
Diagonal 48070.533198624

Cube

Length = n
Surface area 6932328486
Volume 39272796261271
Space diagonal 58874.139000074

Equilateral Triangle

Length = n
Perimeter 101973
Area 500297714.68788
Altitude 29437.069500037

Triangular Pyramid

Length = n
Surface area 500297714.68788
Volume 4628343425417.1
Height 16023.511066208