31139939 (number)

31139939 is an odd 8-digits composite number following 31139938 and preceding 31139940. In scientific notation, it is written as 3.1139939 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 30066120 positive integers (up to 31139939) that are relatively prime to 31139939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1139939 × 10^7
Engineering notation 3.1139939 × 10^6

Prime Factorization of 31139939

Prime Factorization 29 × 1073791

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31139939
Product of the distinct prime numbers

The prime factorization of 31139939 is 29 × 1073791. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31139939)

Multiplication

n×y
n×2 62279878
n×3 93419817
n×4 124559756
n×5 155699695

Division

n÷y
n÷2 15569969.5
n÷3 10379979.666667
n÷3 7784984.75
n÷5 6227987.8

Exponentiation

ny
n2 969695800923721
n3 3.0196268089321E+22
n4 9.403099463291E+29
n5 2.9281194369781E+37

Nth Root

y√n
2√n 5580.3171056849
3√n 314.61004571594
4√n 74.701520102906
5√n 31.52561383693

Divisors of 31139939

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 -31139938
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 31139939 can be divided by 4 positive divisors. The sum of these divisors (counting 31139939) is 1, the average is 0.25.

Base conversion 31139939

Base System Value
2 Binary 1110110110010100001100011
3 Ternary 2011121001222002
4 Quaternary 1312302201203
5 Quinary 30432434224
6 Senary 3031234215
8 Octal 166624143
10 Decimal 31139939
12 Duodecimal a51896b
16 Hexadecimal 1db2863
20 Vigesimal 9ec9gj
36 Base36 ijfqb

Cryptographic Hash Functions

md5 221ea846b0ff22454b716b728197e48c
sha1 c5895aeb51296304d40c298890c691a038a9542e
sha256 b6672dddab2ac881cdc4357f4335b081bc7de98e5d08e8e44e35d7ca3ece4d6d
sha512 2e02ddd71aff6556277d8c01c394ccb33efa3e386381d86ee8817e317e82414314b4b57f4daa2aa739a233b87121299bca0afb8d765c4b393de233c19dc2c81c
ripemd-160 5cecd5575433788098385496d2236ac7a372cc22

31139939 as geometric shapes

Circle

Radius = n
Diameter 62279878
Circumference 195658007.19127
Area 3.0463892043988E+15

Sphere

Radius = n
Volume 1.2648583199365E+23
Surface area 1.2185556817595E+16
Circumference 195658007.19127

Square

Length = n
Perimeter 124559756
Area 969695800923721
Diagonal 44038524.065271

Cube

Length = n
Surface area 5818174805542326
Volume 3.0196268089321E+22
Space diagonal 53935956.492596

Equilateral Triangle

Length = n
Perimeter 93419817
Area 4.1989059877152E+14
Altitude 26967978.246298

Triangular Pyramid

Length = n
Surface area 4.1989059877152E+14
Volume 3.558664322081E+21
Height 14679508.021757