15780 (number)

15780 is an even 5-digits composite number following 15779 and preceding 15781. In scientific notation, it is written as 1.5780 × 10^4. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 4192 positive integers (up to 15780) that are relatively prime to 15780.

Interesting facts

Basic properties

Name

Name fifteen thousand seven hundred eighty

Notation

Scientific notation 1.5780 × 10^4
Engineering notation 1.5780 × 10^3

Prime Factorization of 15780

Prime Factorization 2 × 2 × 15 × 263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7890
Product of the distinct prime numbers

The prime factorization of 15780 is 2 × 2 × 15 × 263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 28, 36, 260, 136, 1946, 5151, 42471, 47607, 98153, 36781, 8410752, 9314826, 64917066, 27511919, 169924182, 898159827, 4845578285, 892433797

Basic calculations (n = 15780)

Multiplication

n×y
n×2 31560
n×3 47340
n×4 63120
n×5 78900

Division

n÷y
n÷2 7890
n÷3 5260
n÷3 3945
n÷5 3156

Exponentiation

ny
n2 249008400
n3 3929352552000
n4 62005183270560000
n5 9.7844179200944E+20

Nth Root

y√n
2√n 125.61846997954
3√n 25.082394812133
4√n 11.207964577903
5√n 6.9122812368796

Divisors of 15780

1, 2, 4, 15, 30, 60, 263, 526, 1052, 3945, 7890, 15780

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15780 can be divided by 12 positive divisors. The sum of these divisors (counting 15780) is 1, the average is 0.083333333333333.

Base conversion 15780

Base System Value
2 Binary 11110110100100
3 Ternary 210122110
4 Quaternary 3312210
5 Quinary 1001110
6 Senary 201020
8 Octal 36644
10 Decimal 15780
12 Duodecimal 9170
16 Hexadecimal 3da4
20 Vigesimal 1j90
36 Base36 c6c

Cryptographic Hash Functions

md5 4a5b76e7170df685ed8b75c7dacce268
sha1 a1aac7000ee62e6e0b95f02f75b9c7be11be71a8
sha256 c90117a86df5ad6cff0574e82abc47165bc43d412365f33075da2a369c2c992f
sha512 cbf77846ea0ea24f9862d23b78c28732b14a03d477d7e0d7c12b4a8c925cfeffda0af32c1b744ab058ba4ab3ea52a5344d97b8587c6bbb582f31cd3cffaeb1da
ripemd-160 bda5088177108c8b23aa5a567a8134a8b2a1d033

15780 as geometric shapes

Circle

Radius = n
Diameter 31560
Circumference 99148.664147294
Area 782282960.12215

Sphere

Radius = n
Volume 16459233480970
Surface area 3129131840.4886
Circumference 99148.664147294

Square

Length = n
Perimeter 63120
Area 249008400
Diagonal 22316.290014247

Cube

Length = n
Surface area 1494050400
Volume 3929352552000
Space diagonal 27331.761743437

Equilateral Triangle

Length = n
Perimeter 47340
Area 107823800.07786
Altitude 13665.880871718

Triangular Pyramid

Length = n
Surface area 107823800.07786
Volume 463078639198.64
Height 7438.7633380825