31190728 (number)

31190728 is an even 8-digits composite number following 31190727 and preceding 31190729. In scientific notation, it is written as 3.1190728 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors. There are 15595360 positive integers (up to 31190728) that are relatively prime to 31190728.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred ninety thousand seven hundred twenty-eight

Notation

Scientific notation 3.1190728 × 10^7
Engineering notation 3.1190728 × 10^6

Prime Factorization of 31190728

Prime Factorization 2 × 2 × 2 × 3898841

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7797682
Product of the distinct prime numbers

The prime factorization of 31190728 is 2 × 2 × 2 × 3898841. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31190728)

Multiplication

n×y
n×2 62381456
n×3 93572184
n×4 124762912
n×5 155953640

Division

n÷y
n÷2 15595364
n÷3 10396909.333333
n÷3 7797682
n÷5 6238145.6

Exponentiation

ny
n2 972861513169984
n3 3.0344258838953E+22
n4 9.4645952380739E+29
n5 2.9520761570086E+37

Nth Root

y√n
2√n 5584.8659786964
3√n 314.78099499551
4√n 74.731960891551
5√n 31.535890741031

Divisors of 31190728

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31190727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31190728 can be divided by 8 positive divisors. The sum of these divisors (counting 31190728) is 1, the average is 0.125.

Base conversion 31190728

Base System Value
2 Binary 1110110111110111011001000
3 Ternary 2011200122122011
4 Quaternary 1312332323020
5 Quinary 30441100403
6 Senary 3032305304
8 Octal 166767310
10 Decimal 31190728
12 Duodecimal a542234
16 Hexadecimal 1dbeec8
20 Vigesimal 9eigg8
36 Base36 ikix4

Cryptographic Hash Functions

md5 1b4d85a886c14c00d02e8f119dc66479
sha1 1e511ce7e572451257bf5dad47b92eebd6c71709
sha256 eae10dff246edd9920d157d90b3fa830cd57462228eb75a5d6d20df5a284131b
sha512 700d0f3dd6bbcae19dda118c765418e40d1dd5b7bf5e7f48b1eda498bd41241fddadf7ba0458364c8d6f5ffec399dcaaa66832c332dba55aaf12b0236bb5e340
ripemd-160 bc1c421412e4e728540ece356f34a9eb9377fc7b

31190728 as geometric shapes

Circle

Radius = n
Diameter 62381456
Circumference 195977123.88983
Area 3.0563345827351E+15

Sphere

Radius = n
Volume 1.2710573419611E+23
Surface area 1.222533833094E+16
Circumference 195977123.88983

Square

Length = n
Perimeter 124762912
Area 972861513169984
Diagonal 44110350.55789

Cube

Length = n
Surface area 5837169079019904
Volume 3.0344258838953E+22
Space diagonal 54023925.621061

Equilateral Triangle

Length = n
Perimeter 93572184
Area 4.2126139238469E+14
Altitude 27011962.810531

Triangular Pyramid

Length = n
Surface area 4.2126139238469E+14
Volume 3.576105199184E+21
Height 14703450.185963