31486738 (number)

31486738 is an even 8-digits composite number following 31486737 and preceding 31486739. In scientific notation, it is written as 3.1486738 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 15743368 positive integers (up to 31486738) that are relatively prime to 31486738.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred eighty-six thousand seven hundred thirty-eight

Notation

Scientific notation 3.1486738 × 10^7
Engineering notation 3.1486738 × 10^6

Prime Factorization of 31486738

Prime Factorization 2 × 15743369

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31486738
Product of the distinct prime numbers

The prime factorization of 31486738 is 2 × 15743369. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31486738)

Multiplication

n×y
n×2 62973476
n×3 94460214
n×4 125946952
n×5 157433690

Division

n÷y
n÷2 15743369
n÷3 10495579.333333
n÷3 7871684.5
n÷5 6297347.6

Exponentiation

ny
n2 991414669880644
n3 3.1216413959888E+22
n4 9.8290304765455E+29
n5 3.09484107409E+37

Nth Root

y√n
2√n 5611.3044829166
3√n 315.77365220051
4√n 74.908640909555
5√n 31.595521941981

Divisors of 31486738

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31486737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31486738 can be divided by 4 positive divisors. The sum of these divisors (counting 31486738) is 1, the average is 0.25.

Base conversion 31486738

Base System Value
2 Binary 1111000000111001100010010
3 Ternary 2012020200200111
4 Quaternary 1320013030102
5 Quinary 31030033423
6 Senary 3042511534
8 Octal 170071422
10 Decimal 31486738
12 Duodecimal a6655aa
16 Hexadecimal 1e07312
20 Vigesimal 9gfggi
36 Base36 iqvbm

Cryptographic Hash Functions

md5 fa00495507426165fa480a5ee7b1548d
sha1 617cedb88f7261e2055df9630044d0bd4380bf52
sha256 ae4b3d897df7a5be52b19c651e6949a0ea821889ebb29bef2c663c416f3b44a0
sha512 8d12e51b8645056d7a614476293ae63a30fdec7c4615a14b527b8bd8ce5d1c377215c831a453f37600c334b57771d149ff372e6a234f90b5b3aa4edf0add0355
ripemd-160 cbc9923ddb76f5aeb5fe2c80863022a2328335ba

31486738 as geometric shapes

Circle

Radius = n
Diameter 62973476
Circumference 197837009.57261
Area 3.1146210435582E+15

Sphere

Radius = n
Volume 1.3075900902374E+23
Surface area 1.2458484174233E+16
Circumference 197837009.57261

Square

Length = n
Perimeter 125946952
Area 991414669880644
Diagonal 44528971.914488

Cube

Length = n
Surface area 5948488019283864
Volume 3.1216413959888E+22
Space diagonal 54536629.98061

Equilateral Triangle

Length = n
Perimeter 94460214
Area 4.292951449006E+14
Altitude 27268314.990305

Triangular Pyramid

Length = n
Surface area 4.292951449006E+14
Volume 3.6788896658939E+21
Height 14842990.638163