9861 (number)

9861 is an odd 4-digits composite number following 9860 and preceding 9862. In scientific notation, it is written as 9.861 × 10^3. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 6192 positive integers (up to 9861) that are relatively prime to 9861.

Interesting facts

Basic properties

Name

Name nine thousand eight hundred sixty-one

Notation

Scientific notation 9.861 × 10^3
Engineering notation 9.861 × 10^3

Prime Factorization of 9861

Prime Factorization 3 × 19 × 173

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9861
Product of the distinct prime numbers

The prime factorization of 9861 is 3 × 19 × 173. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 9861)

Multiplication

n×y
n×2 19722
n×3 29583
n×4 39444
n×5 49305

Division

n÷y
n÷2 4930.5
n÷3 3287
n÷3 2465.25
n÷5 1972.2

Exponentiation

ny
n2 97239321
n3 958876944381
n4 9455485548541041
n5 9.3240542994163E+19

Nth Root

y√n
2√n 99.302567942627
3√n 21.444058645392
4√n 9.9650673827439
5√n 6.2919344834467

Divisors of 9861

1, 3, 19, 57, 173, 519, 3287, 9861

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 -9860
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 9861 can be divided by 8 positive divisors. The sum of these divisors (counting 9861) is 1, the average is 0.125.

Base conversion 9861

Base System Value
2 Binary 10011010000101
3 Ternary 111112020
4 Quaternary 2122011
5 Quinary 303421
6 Senary 113353
8 Octal 23205
10 Decimal 9861
12 Duodecimal 5859
16 Hexadecimal 2685
20 Vigesimal 14d1
36 Base36 7lx

Cryptographic Hash Functions

md5 5b9373fc169106c43c99cfae04989986
sha1 93080b556042033789f7dd397d010c7ad2f27ee8
sha256 91e631b2fe3d58417b860f962874fbaa2e7471576ee091d9dad2eeb0b92975b8
sha512 72f1c90c4c770c7e17805cee7bcb462710eba0b3bc242343dc5fe57bb3a232cc84121b7690f4f916ff445748ecee457cf22fefe2ac4d2832fab1f44a1a28ee06
ripemd-160 a81ed85504e1fb1f26779ff7b2c57c0ed52a665e

9861 as geometric shapes

Circle

Radius = n
Diameter 19722
Circumference 61958.490314098
Area 305486336.49366

Sphere

Radius = n
Volume 4016534352218.6
Surface area 1221945345.9746
Circumference 61958.490314098

Square

Length = n
Perimeter 39444
Area 97239321
Diagonal 13945.559938561

Cube

Length = n
Surface area 583435926
Volume 958876944381
Space diagonal 17079.753013437

Equilateral Triangle

Length = n
Perimeter 29583
Area 42105861.116375
Altitude 8539.8765067183

Triangular Pyramid

Length = n
Surface area 42105861.116375
Volume 113004731615.87
Height 4648.5199795204