31906 (number)

31906 is an even 5-digits composite number following 31905 and preceding 31907. In scientific notation, it is written as 3.1906 × 10^4. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 13104 positive integers (up to 31906) that are relatively prime to 31906.

Interesting facts

Basic properties

Name

Name thirty-one thousand nine hundred six

Notation

Scientific notation 3.1906 × 10^4
Engineering notation 3.1906 × 10^3

Prime Factorization of 31906

Prime Factorization 2 × 7 × 43 × 53

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31906
Product of the distinct prime numbers

The prime factorization of 31906 is 2 × 7 × 43 × 53. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 64, 23, 700, 791, 779, 3154, 85528, 54514, 993528, 655366, 9549083, 6381766, 16049176, 78196722, 742228941, 687317728, 9868088521, 5478099548

Basic calculations (n = 31906)

Multiplication

n×y
n×2 63812
n×3 95718
n×4 127624
n×5 159530

Division

n÷y
n÷2 15953
n÷3 10635.333333333
n÷3 7976.5
n÷5 6381.2

Exponentiation

ny
n2 1017992836
n3 32480079425416
n4 1036309414147322896
n5 3.3064488167784E+22

Nth Root

y√n
2√n 178.6225069805
3√n 31.716903946691
4√n 13.364973138039
5√n 7.9574601457415

Divisors of 31906

1, 2, 7, 14, 43, 53, 86, 106, 301, 371, 602, 742, 2279, 4558, 15953, 31906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31906 can be divided by 16 positive divisors. The sum of these divisors (counting 31906) is 1, the average is 0.0625.

Base conversion 31906

Base System Value
2 Binary 111110010100010
3 Ternary 1121202201
4 Quaternary 13302202
5 Quinary 2010111
6 Senary 403414
8 Octal 76242
10 Decimal 31906
12 Duodecimal 1656a
16 Hexadecimal 7ca2
20 Vigesimal 3jf6
36 Base36 oma

Cryptographic Hash Functions

md5 6107f0a7614917c3c78a74ebe45f00ca
sha1 371b4998aae55430eef5578a5bb95ff1620198d6
sha256 8c2fbd848770207603a98cac1d7d6b8a4e632fff370804a5374fe4d7dd018c02
sha512 04aa545905aa38743c988ac0f1b06f76574eb1aef44cccfbeb00eb0122033357cb83c7526c9189a4cdf90dbaad08109b93d96417168560d0d52a4195e06ed731
ripemd-160 12436e4b511a650a65e0385f75c896e2e8d7b7bf

31906 as geometric shapes

Circle

Radius = n
Diameter 63812
Circumference 200471.31041087
Area 3198118814.9846

Sphere

Radius = n
Volume 1.3605223854787E+14
Surface area 12792475259.939
Circumference 200471.31041087

Square

Length = n
Perimeter 127624
Area 1017992836
Diagonal 45121.897921076

Cube

Length = n
Surface area 6107957016
Volume 32480079425416
Space diagonal 55262.813066293

Equilateral Triangle

Length = n
Perimeter 95718
Area 440803828.42328
Altitude 27631.406533146

Triangular Pyramid

Length = n
Surface area 440803828.42328
Volume 3827814069198.2
Height 15040.632640359