31496987 (number)

31496987 is an odd 8-digits composite number following 31496986 and preceding 31496988. In scientific notation, it is written as 3.1496987 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 30410856 positive integers (up to 31496987) that are relatively prime to 31496987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1496987 × 10^7
Engineering notation 3.1496987 × 10^6

Prime Factorization of 31496987

Prime Factorization 29 × 1086103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31496987
Product of the distinct prime numbers

The prime factorization of 31496987 is 29 × 1086103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31496987)

Multiplication

n×y
n×2 62993974
n×3 94490961
n×4 125987948
n×5 157484935

Division

n÷y
n÷2 15748493.5
n÷3 10498995.666667
n÷3 7874246.75
n÷5 6299397.4

Exponentiation

ny
n2 992060190078169
n3 3.124690691011E+22
n4 9.8418342073793E+29
n5 3.0998812408598E+37

Nth Root

y√n
2√n 5612.217654368
3√n 315.80791014828
4√n 74.914735896004
5√n 31.597578556106

Divisors of 31496987

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 -31496986
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 31496987 can be divided by 4 positive divisors. The sum of these divisors (counting 31496987) is 1, the average is 0.25.

Base conversion 31496987

Base System Value
2 Binary 1111000001001101100011011
3 Ternary 2012021012202002
4 Quaternary 1320021230123
5 Quinary 31030400422
6 Senary 3043031215
8 Octal 170115433
10 Decimal 31496987
12 Duodecimal a66b50b
16 Hexadecimal 1e09b1b
20 Vigesimal 9gh297
36 Base36 ir38b

Cryptographic Hash Functions

md5 e4fdebb004cf78697d97e27eb59c6e7f
sha1 120897de6cfaa04b8e7fd12f3dbaf5c281164c9a
sha256 87a04de6b5c983ac49c83ecb9c47236bd1383896460f9c4af423c8d4cdf59041
sha512 39fb6769555df549cf7d02163ee90baaddf47faa0a8610a374dc0010f6ffa014657318c0bb859b8b852c4bf34c97e5f262dca215c0472d335696af4b22abb9a7
ripemd-160 0baadf7bc3f742aa2d5ec164ecdab1094d752e6d

31496987 as geometric shapes

Circle

Radius = n
Diameter 62993974
Circumference 197901405.93883
Area 3.1166490050685E+15

Sphere

Radius = n
Volume 1.3088673759494E+23
Surface area 1.2466596020274E+16
Circumference 197901405.93883

Square

Length = n
Perimeter 125987948
Area 992060190078169
Diagonal 44543466.189289

Cube

Length = n
Surface area 5952361140469014
Volume 3.124690691011E+22
Space diagonal 54554381.769336

Equilateral Triangle

Length = n
Perimeter 94490961
Area 4.2957466334546E+14
Altitude 27277190.884668

Triangular Pyramid

Length = n
Surface area 4.2957466334546E+14
Volume 3.6824832945406E+21
Height 14847822.063096