31139931 (number)

31139931 is an odd 8-digits composite number following 31139930 and preceding 31139932. In scientific notation, it is written as 3.1139931 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 20691720 positive integers (up to 31139931) that are relatively prime to 31139931.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred thirty-nine thousand nine hundred thirty-one

Notation

Scientific notation 3.1139931 × 10^7
Engineering notation 3.1139931 × 10^6

Prime Factorization of 31139931

Prime Factorization 3 × 307 × 33811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31139931
Product of the distinct prime numbers

The prime factorization of 31139931 is 3 × 307 × 33811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31139931)

Multiplication

n×y
n×2 62279862
n×3 93419793
n×4 124559724
n×5 155699655

Division

n÷y
n÷2 15569965.5
n÷3 10379977
n÷3 7784982.75
n÷5 6227986.2

Exponentiation

ny
n2 969695302684761
n3 3.0196244816628E+22
n4 9.4030898004889E+29
n5 2.9281156757403E+37

Nth Root

y√n
2√n 5580.3163888798
3√n 314.61001877433
4√n 74.701515305111
5√n 31.525612217114

Divisors of 31139931

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 -31139930
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 31139931 can be divided by 8 positive divisors. The sum of these divisors (counting 31139931) is 1, the average is 0.125.

Base conversion 31139931

Base System Value
2 Binary 1110110110010100001011011
3 Ternary 2011121001221210
4 Quaternary 1312302201123
5 Quinary 30432434211
6 Senary 3031234203
8 Octal 166624133
10 Decimal 31139931
12 Duodecimal a518963
16 Hexadecimal 1db285b
20 Vigesimal 9ec9gb
36 Base36 ijfq3

Cryptographic Hash Functions

md5 6cc160f0ec36d83473c54402b12e551d
sha1 d7091cea894f44b9a62cbf8bee0cdffa45f7bdf8
sha256 60c83ab329ea6d434d197d8f14befbec09a4cd1a3e73e3c0916056a5275c8c7f
sha512 36785800588df532e08d36bdca0d59baec6c8ffc0b444df9aa7a6276e16c9b8c65a915906592b1cff79a50280ab26bde3163b20d145db7ed5b196cd6c234ec6a
ripemd-160 7ad832f3940cb650f2a160df7c4db596dc151cc3

31139931 as geometric shapes

Circle

Radius = n
Diameter 62279862
Circumference 195657956.92579
Area 3.046387639135E+15

Sphere

Radius = n
Volume 1.2648573450922E+23
Surface area 1.218555055654E+16
Circumference 195657956.92579

Square

Length = n
Perimeter 124559724
Area 969695302684761
Diagonal 44038512.751562

Cube

Length = n
Surface area 5818171816108566
Volume 3.0196244816628E+22
Space diagonal 53935942.636189

Equilateral Triangle

Length = n
Perimeter 93419793
Area 4.1989038302772E+14
Altitude 26967971.318095

Triangular Pyramid

Length = n
Surface area 4.1989038302772E+14
Volume 3.5586615793677E+21
Height 14679504.250521