31998906 (number)

31998906 is an even 8-digits composite number following 31998905 and preceding 31998907. In scientific notation, it is written as 3.1998906 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 10666296 positive integers (up to 31998906) that are relatively prime to 31998906.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred ninety-eight thousand nine hundred six

Notation

Scientific notation 3.1998906 × 10^7
Engineering notation 3.1998906 × 10^6

Prime Factorization of 31998906

Prime Factorization 2 × 3 × 3 × 1777717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10666302
Product of the distinct prime numbers

The prime factorization of 31998906 is 2 × 3 × 3 × 1777717. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 70, 38, 1000, 29, 6449, 9661, 82348, 40186, 636243, 958969, 8931137, 5641580, 74429216, 61368182, 582019806, 571160890, 2227577242, 3318216597

Basic calculations (n = 31998906)

Multiplication

n×y
n×2 63997812
n×3 95996718
n×4 127995624
n×5 159994530

Division

n÷y
n÷2 15999453
n÷3 10666302
n÷3 7999726.5
n÷5 6399781.2

Exponentiation

ny
n2 1023929985196836
n3 3.2764639346895E+22
n4 1.0484326145852E+30
n5 3.3548696681446E+37

Nth Root

y√n
2√n 5656.7575518136
3√n 317.47659240085
4√n 75.211419025395
5√n 31.697647112114

Divisors of 31998906

1, 2, 3, 6, 9, 18, 1777717, 3555434, 5333151, 10666302, 15999453, 31998906

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 -31998905
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 31998906 can be divided by 12 positive divisors. The sum of these divisors (counting 31998906) is 1, the average is 0.083333333333333.

Base conversion 31998906

Base System Value
2 Binary 1111010000100001110111010
3 Ternary 2020012201020200
4 Quaternary 1322010032322
5 Quinary 31142431111
6 Senary 3101503030
8 Octal 172041672
10 Decimal 31998906
12 Duodecimal a871a76
16 Hexadecimal 1e843ba
20 Vigesimal 9jjh56
36 Base36 j1uii

Cryptographic Hash Functions

md5 18584a9d564ad5d4f80d4d2124e61fa9
sha1 6a21f43309a31b49d2775c4b617551a333bdf8fc
sha256 cae0ab98a82c21e2417f2a5bb7f4134fe487ed9948983b385d1815e335a944a1
sha512 b388af36c6de3be493405a485ce58e2b4e6eb9abc50d8aa6d6d64d5cdd62b5a7edbe5b50fe4487dc6d90cbc2625ab6d480be8212c87159a6d39340cb6d604772
ripemd-160 028ae6170404648536749e4b2195084e7fd0bd61

31998906 as geometric shapes

Circle

Radius = n
Diameter 63997812
Circumference 201055056.02502
Area 3.2167709192847E+15

Sphere

Radius = n
Volume 1.3724420035963E+23
Surface area 1.2867083677139E+16
Circumference 201055056.02502

Square

Length = n
Perimeter 127995624
Area 1023929985196836
Diagonal 45253286.846302

Cube

Length = n
Surface area 6143579911181016
Volume 3.2764639346895E+22
Space diagonal 55423730.978621

Equilateral Triangle

Length = n
Perimeter 95996718
Area 4.4337468943854E+14
Altitude 27711865.48931

Triangular Pyramid

Length = n
Surface area 4.4337468943854E+14
Volume 3.8613497775535E+21
Height 15084428.948767