31396987 (number)

31396987 is an odd 8-digits composite number following 31396986 and preceding 31396988. In scientific notation, it is written as 3.1396987 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 29110824 positive integers (up to 31396987) that are relatively prime to 31396987.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred ninety-six thousand nine hundred eighty-seven

Notation

Scientific notation 3.1396987 × 10^7
Engineering notation 3.1396987 × 10^6

Prime Factorization of 31396987

Prime Factorization 19 × 47 × 35159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31396987
Product of the distinct prime numbers

The prime factorization of 31396987 is 19 × 47 × 35159. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31396987)

Multiplication

n×y
n×2 62793974
n×3 94190961
n×4 125587948
n×5 156984935

Division

n÷y
n÷2 15698493.5
n÷3 10465662.333333
n÷3 7849246.75
n÷5 6279397.4

Exponentiation

ny
n2 985770792678169
n3 3.0950232762696E+22
n4 9.7174405569735E+29
n5 3.0509835484057E+37

Nth Root

y√n
2√n 5603.3014375455
3√n 315.4733355839
4√n 74.855203142771
5√n 31.577489153323

Divisors of 31396987

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 -31396986
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 31396987 can be divided by 8 positive divisors. The sum of these divisors (counting 31396987) is 1, the average is 0.125.

Base conversion 31396987

Base System Value
2 Binary 1110111110001010001111011
3 Ternary 2012002010120101
4 Quaternary 1313301101323
5 Quinary 31014200422
6 Senary 3040540231
8 Octal 167612173
10 Decimal 31396987
12 Duodecimal a621677
16 Hexadecimal 1df147b
20 Vigesimal 9g4c97
36 Base36 ioy2j

Cryptographic Hash Functions

md5 f4d0a8cfda3045af7c93622e7cff02f1
sha1 e17ad05fdedada72c02088b4443d3f67c149bf55
sha256 e28ebe525b559c7da64d58dd52a1cd183cabf8785e155b5c81c12887c9a8f93a
sha512 8252906fdf6a22b868d62c6ca1d718ce2aa886b5ee36397175349df317ab0265c8224eb077af6c195826e20b5eee747269311e29b48a90633fc94ec9d57931be
ripemd-160 e550cc8afb6aa83cf7316c5f216bc7e043ea315b

31396987 as geometric shapes

Circle

Radius = n
Diameter 62793974
Circumference 197273087.40811
Area 3.0968902804011E+15

Sphere

Radius = n
Volume 1.2964403183224E+23
Surface area 1.2387561121604E+16
Circumference 197273087.40811

Square

Length = n
Perimeter 125587948
Area 985770792678169
Diagonal 44402044.833052

Cube

Length = n
Surface area 5914624756069014
Volume 3.0950232762696E+22
Space diagonal 54381176.68858

Equilateral Triangle

Length = n
Perimeter 94190961
Area 4.2685127438401E+14
Altitude 27190588.34429

Triangular Pyramid

Length = n
Surface area 4.2685127438401E+14
Volume 3.6475199109674E+21
Height 14800681.611017