13891 (number)

13891 is an odd 5-digits composite number following 13890 and preceding 13892. In scientific notation, it is written as 1.3891 × 10^4. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 13384 positive integers (up to 13891) that are relatively prime to 13891.

Interesting facts

Basic properties

Name

Name thirteen thousand eight hundred ninety-one

Notation

Scientific notation 1.3891 × 10^4
Engineering notation 1.3891 × 10^3

Prime Factorization of 13891

Prime Factorization 29 × 479

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13891
Product of the distinct prime numbers

The prime factorization of 13891 is 29 × 479. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 24, 39, 55, 216, 8789, 2577, 24953, 35207, 442247, 344100, 4299687, 5256654, 461606, 73253961, 561034834, 228193308, 5198648055, 3072603747

Basic calculations (n = 13891)

Multiplication

n×y
n×2 27782
n×3 41673
n×4 55564
n×5 69455

Division

n÷y
n÷2 6945.5
n÷3 4630.3333333333
n÷3 3472.75
n÷5 2778.2

Exponentiation

ny
n2 192959881
n3 2680405706971
n4 37233515675534161
n5 5.1721076624884E+20

Nth Root

y√n
2√n 117.86008654332
3√n 24.038710676392
4√n 10.856338542222
5√n 6.7382435190565

Divisors of 13891

1, 29, 479, 13891

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 -13890
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 13891 can be divided by 4 positive divisors. The sum of these divisors (counting 13891) is 1, the average is 0.25.

Base conversion 13891

Base System Value
2 Binary 11011001000011
3 Ternary 201001111
4 Quaternary 3121003
5 Quinary 421031
6 Senary 144151
8 Octal 33103
10 Decimal 13891
12 Duodecimal 8057
16 Hexadecimal 3643
20 Vigesimal 1eeb
36 Base36 apv

Cryptographic Hash Functions

md5 bb83b72bf545e376f3ff9443bda39421
sha1 7d2c2743d2467028e6519d007152ecf9597fdae2
sha256 6c455dc6b4f359df628fc0178bc64805fa2910af7e811f62e8d20ac1e455be22
sha512 78389dd114dda55b4201303bf76c53a2d5c50289f9395fcb5efe35139382c0604b1e0f8985ce7dd3758d761102740124c5ff054182697595db8511340e19c1ce
ripemd-160 32886b0b387418f4647f9d14ad80157d3fb6c27c

13891 as geometric shapes

Circle

Radius = n
Diameter 27782
Circumference 87279.727102032
Area 606201344.58716

Sphere

Radius = n
Volume 11227657170214
Surface area 2424805378.3486
Circumference 87279.727102032

Square

Length = n
Perimeter 55564
Area 192959881
Diagonal 19644.840594925

Cube

Length = n
Surface area 1157759286
Volume 2680405706971
Space diagonal 24059.917767939

Equilateral Triangle

Length = n
Perimeter 41673
Area 83554079.428611
Altitude 12029.95888397

Triangular Pyramid

Length = n
Surface area 83554079.428611
Volume 315888841955.05
Height 6548.2801983082