31139985 (number)

31139985 is an odd 8-digits composite number following 31139984 and preceding 31139986. In scientific notation, it is written as 3.1139985 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 16607984 positive integers (up to 31139985) that are relatively prime to 31139985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1139985 × 10^7
Engineering notation 3.1139985 × 10^6

Prime Factorization of 31139985

Prime Factorization 15 × 2075999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31139985
Product of the distinct prime numbers

The prime factorization of 31139985 is 15 × 2075999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31139985)

Multiplication

n×y
n×2 62279970
n×3 93419955
n×4 124559940
n×5 155699925

Division

n÷y
n÷2 15569992.5
n÷3 10379995
n÷3 7784996.25
n÷5 6227997

Exponentiation

ny
n2 969698665800225
n3 3.0196401907539E+22
n4 9.4031550245474E+29
n5 2.9281410641708E+37

Nth Root

y√n
2√n 5580.321227313
3√n 314.61020063013
4√n 74.701547690212
5√n 31.525623150869

Divisors of 31139985

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 -31139984
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 31139985 can be divided by 4 positive divisors. The sum of these divisors (counting 31139985) is 1, the average is 0.25.

Base conversion 31139985

Base System Value
2 Binary 1110110110010100010010001
3 Ternary 2011121002000210
4 Quaternary 1312302202101
5 Quinary 30432434420
6 Senary 3031234333
8 Octal 166624221
10 Decimal 31139985
12 Duodecimal a5189a9
16 Hexadecimal 1db2891
20 Vigesimal 9ec9j5
36 Base36 ijfrl

Cryptographic Hash Functions

md5 d137b0707812603bc3d61e2630bcbd34
sha1 c4ebc34a002bbcbf6581b001b891c46d9d33bd2e
sha256 db5503290306b63c4c59534d25f52ea9bb11fa5fe4722dfe8556e825411347d7
sha512 4f7e54b4eafe5792ad75d29af81854e90f3a48fc7837f559e544d7f5114bb171d8b659cb5c1cebfd05a71d29c478080cdb83a5d0be84bafc83883c982c63a2d7
ripemd-160 0684417cd20ecce4533e0626308657f5b96a9a00

31139985 as geometric shapes

Circle

Radius = n
Diameter 62279970
Circumference 195658296.21779
Area 3.0463982046738E+15

Sphere

Radius = n
Volume 1.2648639253009E+23
Surface area 1.2185592818695E+16
Circumference 195658296.21779

Square

Length = n
Perimeter 124559940
Area 969698665800225
Diagonal 44038589.119095

Cube

Length = n
Surface area 5818191994801350
Volume 3.0196401907539E+22
Space diagonal 53936036.166933

Equilateral Triangle

Length = n
Perimeter 93419955
Area 4.1989183929944E+14
Altitude 26968018.083466

Triangular Pyramid

Length = n
Surface area 4.1989183929944E+14
Volume 3.5586800927092E+21
Height 14679529.706365