12387 (number)

12387 is an odd 5-digits composite number following 12386 and preceding 12388. In scientific notation, it is written as 1.2387 × 10^4. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 8256 positive integers (up to 12387) that are relatively prime to 12387.

Interesting facts

Basic properties

Name

Name twelve thousand three hundred eighty-seven

Notation

Scientific notation 1.2387 × 10^4
Engineering notation 1.2387 × 10^3

Prime Factorization of 12387

Prime Factorization 3 × 4129

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12387
Product of the distinct prime numbers

The prime factorization of 12387 is 3 × 4129. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 63, 41, 246, 846, 5681, 3380, 60686, 12191, 329511, 73719, 4527853, 9575305, 28162052, 96783701, 68555480, 126482253, 6685373259, 6190372035

Basic calculations (n = 12387)

Multiplication

n×y
n×2 24774
n×3 37161
n×4 49548
n×5 61935

Division

n÷y
n÷2 6193.5
n÷3 4129
n÷3 3096.75
n÷5 2477.4

Exponentiation

ny
n2 153437769
n3 1900633644603
n4 23543148955697361
n5 2.9162898611422E+20

Nth Root

y√n
2√n 111.29690022638
3√n 23.13779909928
4√n 10.549734604547
5√n 6.5855678339884

Divisors of 12387

1, 3, 4129, 12387

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 -12386
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 12387 can be divided by 4 positive divisors. The sum of these divisors (counting 12387) is 1, the average is 0.25.

Base conversion 12387

Base System Value
2 Binary 11000001100011
3 Ternary 121222210
4 Quaternary 3001203
5 Quinary 344022
6 Senary 133203
8 Octal 30143
10 Decimal 12387
12 Duodecimal 7203
16 Hexadecimal 3063
20 Vigesimal 1aj7
36 Base36 9k3

Cryptographic Hash Functions

md5 73eae46e2ba0a8705e9c75ca5720f3b5
sha1 150665f2d3510b15c06fe4160db37321a9443f31
sha256 2fc856ac34e66d161a1999c3a89594ef707a8f94d5c480ab77fb0b173dee03fc
sha512 94c934e1b2d5e9b926ed737785079ead161aa8704d9d74c18fcf751b6f95407312f1b4403ceb9354145767e6d2aa576dc122b77ebefc61c525edaad40341fa98
ripemd-160 838bc95c1f52849201885520816634a25a6d1c1a

12387 as geometric shapes

Circle

Radius = n
Diameter 24774
Circumference 77829.816400034
Area 482038967.87361

Sphere

Radius = n
Volume 7961355593400.5
Surface area 1928155871.4944
Circumference 77829.816400034

Square

Length = n
Perimeter 49548
Area 153437769
Diagonal 17517.863397116

Cube

Length = n
Surface area 920626614
Volume 1900633644603
Space diagonal 21454.913353356

Equilateral Triangle

Length = n
Perimeter 37161
Area 66440502.927004
Altitude 10727.456676678

Triangular Pyramid

Length = n
Surface area 66440502.927004
Volume 223991823108.35
Height 5839.2877990385