13881 (number)

13881 is an odd 5-digits composite number following 13880 and preceding 13882. In scientific notation, it is written as 1.3881 × 10^4. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 7920 positive integers (up to 13881) that are relatively prime to 13881.

Interesting facts

Basic properties

Name

Name thirteen thousand eight hundred eighty-one

Notation

Scientific notation 1.3881 × 10^4
Engineering notation 1.3881 × 10^3

Prime Factorization of 13881

Prime Factorization 3 × 7 × 661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 13881
Product of the distinct prime numbers

The prime factorization of 13881 is 3 × 7 × 661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 69, 37, 929, 490, 73, 5495, 31740, 98745, 466733, 31945, 8381684, 9587295, 57762970, 48147939, 903153526, 313673135, 3370154332, 3040518393

Basic calculations (n = 13881)

Multiplication

n×y
n×2 27762
n×3 41643
n×4 55524
n×5 69405

Division

n÷y
n÷2 6940.5
n÷3 4627
n÷3 3470.25
n÷5 2776.2

Exponentiation

ny
n2 192682161
n3 2674621076841
n4 37126415167629921
n5 5.1535176894187E+20

Nth Root

y√n
2√n 117.81765572273
3√n 24.032940877866
4√n 10.854384170589
5√n 6.7372730799698

Divisors of 13881

1, 3, 7, 21, 661, 1983, 4627, 13881

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 -13880
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 13881 can be divided by 8 positive divisors. The sum of these divisors (counting 13881) is 1, the average is 0.125.

Base conversion 13881

Base System Value
2 Binary 11011000111001
3 Ternary 201001010
4 Quaternary 3120321
5 Quinary 421011
6 Senary 144133
8 Octal 33071
10 Decimal 13881
12 Duodecimal 8049
16 Hexadecimal 3639
20 Vigesimal 1ee1
36 Base36 apl

Cryptographic Hash Functions

md5 114cdac531f509e3ab04a2caade973bb
sha1 ccb592babfef51111b91eef96fb77b535628ce4a
sha256 3e260d53a20cb2b3651419051fbb25e6ee617805b883dbb4e4e005e3869209bb
sha512 e05ca0ced04cc891f9550931f51826e9efff074ada12caeeaefebf34e3d6d9d411ada535092f9d1dd4137da0b4ab61455376b36f878892988d025e2ef98d7e8f
ripemd-160 6d1db21a7133fb73a5b64a4f0cb2b9fcf07477ee

13881 as geometric shapes

Circle

Radius = n
Diameter 27762
Circumference 87216.89524896
Area 605328861.47541

Sphere

Radius = n
Volume 11203426568187
Surface area 2421315445.9016
Circumference 87216.89524896

Square

Length = n
Perimeter 55524
Area 192682161
Diagonal 19630.698459301

Cube

Length = n
Surface area 1156092966
Volume 2674621076841
Space diagonal 24042.597259864

Equilateral Triangle

Length = n
Perimeter 41643
Area 83433823.141042
Altitude 12021.298629932

Triangular Pyramid

Length = n
Surface area 83433823.141042
Volume 315207116756.46
Height 6543.5661531003