31440385 (number)

31440385 is an odd 8-digits composite number following 31440384 and preceding 31440386. In scientific notation, it is written as 3.1440385 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 25152304 positive integers (up to 31440385) that are relatively prime to 31440385.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred forty thousand three hundred eighty-five

Notation

Scientific notation 3.1440385 × 10^7
Engineering notation 3.1440385 × 10^6

Prime Factorization of 31440385

Prime Factorization 5 × 6288077

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31440385
Product of the distinct prime numbers

The prime factorization of 31440385 is 5 × 6288077. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 18, 53, 343, 731, 6647, 9920, 21592, 2725, 250127, 662831, 3660160, 5552574, 50507209, 1822862, 978948263, 273508168, 583188787, 5472252873

Basic calculations (n = 31440385)

Multiplication

n×y
n×2 62880770
n×3 94321155
n×4 125761540
n×5 157201925

Division

n÷y
n÷2 15720192.5
n÷3 10480128.333333
n÷3 7860096.25
n÷5 6288077

Exponentiation

ny
n2 988497808948225
n3 3.1078751684989E+22
n4 9.7712791829544E+29
n5 3.0721277945457E+37

Nth Root

y√n
2√n 5607.1726386834
3√n 315.61862137879
4√n 74.881056607686
5√n 31.586213830098

Divisors of 31440385

1, 5, 6288077, 31440385

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 -31440384
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 31440385 can be divided by 4 positive divisors. The sum of these divisors (counting 31440385) is 1, the average is 0.25.

Base conversion 31440385

Base System Value
2 Binary 1110111111011111000000001
3 Ternary 2012011100002201
4 Quaternary 1313323320001
5 Quinary 31022043020
6 Senary 3041513201
8 Octal 167737001
10 Decimal 31440385
12 Duodecimal a642801
16 Hexadecimal 1dfbe01
20 Vigesimal 9ga0j5
36 Base36 ipvk1

Cryptographic Hash Functions

md5 63b7ad191207a9fbb375ea2125e1da51
sha1 89fd90400a0162cb87dd35d92bfbfde040c62a39
sha256 1f927e05078e7e3263265c8e27fa3d3ba057fd76b7e885eb3b0f18b54d8f00f4
sha512 1dcbeda73ae7c00fc66773a716638cbb580deda9a6920bbb79e5beb90525cbdf77cdad8f36d85e4f6d6b47c7caf30dbdc9ec47f0d9ce1b1b02fc0919aa0df9a0
ripemd-160 45a2589641f2dacacf0593c4c46ab7f0703282dd

31440385 as geometric shapes

Circle

Radius = n
Diameter 62880770
Circumference 197545765.08407
Area 3.1054574546814E+15

Sphere

Radius = n
Volume 1.3018237063507E+23
Surface area 1.2421829818725E+16
Circumference 197545765.08407

Square

Length = n
Perimeter 125761540
Area 988497808948225
Diagonal 44463418.873232

Cube

Length = n
Surface area 5930986853689350
Volume 3.1078751684989E+22
Space diagonal 54456344.229526

Equilateral Triangle

Length = n
Perimeter 94321155
Area 4.2803210706721E+14
Altitude 27228172.114763

Triangular Pyramid

Length = n
Surface area 4.2803210706721E+14
Volume 3.6626660112114E+21
Height 14821139.624411