Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

31986 (number)

31986 is an even 5-digits composite number following 31985 and preceding 31987. In scientific notation, it is written as 3.1986 × 10^4. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 10656 positive integers (up to 31986) that are relatively prime to 31986.

Interesting facts

31986 has 12 divisors, whose sum is 69342
The reverse of 31986 is 68913
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 5
Sum of Digits 27
Digital Root 9

Name

Name	thirty-one thousand nine hundred eighty-six

Notation

Scientific notation	3.1986 × 10^4
Engineering notation	3.1986 × 10^3

Prime Factorization of 31986

Prime Factorization 2 × 3 × 3 × 1777

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10662	Product of the distinct prime numbers

The prime factorization of 31986 is 2 × 3 × 3 × 1777. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 90, 57, 684, 240, 2844, 409, 91206, 6634, 119669, 301785, 8265759, 8205600, 45800055, 31682814, 364196245, 409841062, 3178848464, 6857780489

Basic calculations (n = 31986)

Multiplication

n×y

n×2	63972
n×3	95958
n×4	127944
n×5	159930

Division

n÷y

n÷2	15993
n÷3	10662
n÷3	7996.5
n÷5	6397.2

Exponentiation

n^y

n²	1023104196
n³	32725010813256
n⁴	1046742195872806416
n⁵	3.3481095877188E+22

Nth Root

^y√n

²√n	178.84630272947
³√n	31.743390444268
⁴√n	13.373342990048
⁵√n	7.9614466015691

Divisors of 31986

1, 2, 3, 6, 9, 18, 1777, 3554, 5331, 10662, 15993, 31986

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	-31985	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 31986 can be divided by 12 positive divisors. The sum of these divisors (counting 31986) is 1, the average is 0.083333333333333.

Base conversion 31986

Base	System	Value
2	Binary	111110011110010
3	Ternary	1121212200
4	Quaternary	13303302
5	Quinary	2010421
6	Senary	404030
8	Octal	76362
10	Decimal	31986
12	Duodecimal	16616
16	Hexadecimal	7cf2
20	Vigesimal	3jj6
36	Base36	ooi

Cryptographic Hash Functions

md5	7c47a747dc24980c953a0cbe15e6c60b
sha1	d94265f570bfedd73dfe74b43178e7655490e23e
sha256	16ac080fa3524b835cd1ca72ea54b717006cec429cdbe6b5dac8920fc8f362bd
sha512	3bbedac901e3742652867ea11d6b4f70c30d6383bf5d9a0905babd43926bb36eef22049a6b37e20d173c92e54afe0bed287a11aa92cc37c7cee93cf01fdd624d
ripemd-160	8901fad2904f2907396a100fdaf2740ae47bac67

31986 as geometric shapes

Circle

Radius = n

Diameter	63972
Circumference	200973.96523545
Area	3214176626.0105

Sphere

Radius = n

Volume	1.370782047461E+14
Surface area	12856706504.042
Circumference	200973.96523545

Square

Length = n

Perimeter	127944
Area	1023104196
Diagonal	45235.035006066

Cube

Length = n

Surface area	6138625176
Volume	32725010813256
Space diagonal	55401.377130898

Equilateral Triangle

Length = n

Perimeter	95958
Area	443017112.22723
Altitude	27700.688565449

Triangular Pyramid

Length = n

Surface area	443017112.22723
Volume	3856679510076.1
Height	15078.345002022