23981 (number)

23981 is an odd 5-digits prime number following 23980 and preceding 23982. In scientific notation, it is written as 2.3981 × 10^4. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 23980 positive integers (up to 23981) that are relatively prime to 23981.

Interesting facts

Basic properties

Name

Name twenty-three thousand nine hundred eighty-one

Notation

Scientific notation 2.3981 × 10^4
Engineering notation 2.3981 × 10^3

Prime Factorization of 23981

Prime Factorization 23981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 23981
Product of the distinct prime numbers

The prime factorization of 23981 is 23981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 2, 50, 90, 106, 895, 3851, 2459, 9562, 46757, 769007, 692315, 9154389, 3236210, 84642332, 27423786, 563822920, 316732402, 2496032322, 5757437435

Basic calculations (n = 23981)

Multiplication

n×y
n×2 47962
n×3 71943
n×4 95924
n×5 119905

Division

n÷y
n÷2 11990.5
n÷3 7993.6666666667
n÷3 5995.25
n÷5 4796.2

Exponentiation

ny
n2 575088361
n3 13791193985141
n4 330726622957666321
n5 7.9311551451478E+21

Nth Root

y√n
2√n 154.85799947048
3√n 28.837377523843
4√n 12.444195412741
5√n 7.5157695951007

Divisors of 23981

1, 23981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 23982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 11991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 154.86122820125
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999166041198
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 23981 can be divided by 2 positive divisors. The sum of these divisors (counting 23981) is 23982, the average is 11991.

Base conversion 23981

Base System Value
2 Binary 101110110101101
3 Ternary 1012220012
4 Quaternary 11312231
5 Quinary 1231411
6 Senary 303005
8 Octal 56655
10 Decimal 23981
12 Duodecimal 11a65
16 Hexadecimal 5dad
20 Vigesimal 2jj1
36 Base36 ii5

Cryptographic Hash Functions

md5 4e917403df8b824e23b6c31598d67af6
sha1 aa3097d90a4042ef82b67108d3f5922fbdf9e82d
sha256 504955cd4d73fcfba1dc93ba8e9ec0a68599e8c92fe9258043af4c8df4add9b8
sha512 99b6fa4b9cb09b5700440da993f4959191d23dcd9e75960ec844c889d32005f9123131f6e950139a24703207864a6cce3727dccd18a0dbecafd8688943fe115f
ripemd-160 6330a200221e94134d50a90bd6261d3a73a36de0

23981 as geometric shapes

Circle

Radius = n
Diameter 47962
Circumference 150677.06685147
Area 1806693370.0826

Sphere

Radius = n
Volume 57768418277268
Surface area 7226773480.3304
Circumference 150677.06685147

Square

Length = n
Perimeter 95924
Area 575088361
Diagonal 33914.255439269

Cube

Length = n
Surface area 3450530166
Volume 13791193985141
Space diagonal 41536.310416309

Equilateral Triangle

Length = n
Perimeter 71943
Area 249020565.02338
Altitude 20768.155208155

Triangular Pyramid

Length = n
Surface area 249020565.02338
Volume 1625307797925.4
Height 11304.75181309