31008987 (number)

31008987 is an odd 8-digits composite number following 31008986 and preceding 31008988. In scientific notation, it is written as 3.1008987 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 12 positive divisors. There are 20672496 positive integers (up to 31008987) that are relatively prime to 31008987.

Interesting facts

Basic properties

Name

Name thirty-one million eight thousand nine hundred eighty-seven

Notation

Scientific notation 3.1008987 × 10^7
Engineering notation 3.1008987 × 10^6

Prime Factorization of 31008987

Prime Factorization 3 × 9 × 3 × 3 × 127609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3445443
Product of the distinct prime numbers

The prime factorization of 31008987 is 3 × 9 × 3 × 3 × 127609. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 56, 41, 696, 445, 7702, 6720, 97808, 84777, 663363, 932940, 8722614, 3149948, 11409020, 54095314, 169511584, 597435956, 8666107078, 1425765544

Basic calculations (n = 31008987)

Multiplication

n×y
n×2 62017974
n×3 93026961
n×4 124035948
n×5 155044935

Division

n÷y
n÷2 15504493.5
n÷3 10336329
n÷3 7752246.75
n÷5 6201797.4

Exponentiation

ny
n2 961557274766169
n3 2.981691703298E+22
n4 9.2459239265574E+29
n5 2.8670673484161E+37

Nth Root

y√n
2√n 5568.5713607711
3√n 314.16841885228
4√n 74.622860845528
5√n 31.499054349567

Divisors of 31008987

1, 3, 9, 27, 81, 243, 127609, 382827, 1148481, 3445443, 10336329, 31008987

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31008986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31008987 can be divided by 12 positive divisors. The sum of these divisors (counting 31008987) is 1, the average is 0.083333333333333.

Base conversion 31008987

Base System Value
2 Binary 1110110010010100011011011
3 Ternary 2011100102100000
4 Quaternary 1312102203123
5 Quinary 30414241422
6 Senary 3024344043
8 Octal 166224333
10 Decimal 31008987
12 Duodecimal a475023
16 Hexadecimal 1d928db
20 Vigesimal 9dg297
36 Base36 igmor

Cryptographic Hash Functions

md5 d2d7fa3e32117a5e23874fd348cdbe67
sha1 dccdbce4cb9ec1e0ca5cdb200442e2c3517c3269
sha256 e30caa87384546bf47aa6735820379dba27c9778794bf1582e3c85c6e4b0f866
sha512 6a3ccd65438c7d8c99c20593309a7ecbe5edb858b1feac5580a9a8d6cfde4106cf7808f89f00470ef4a9bc602e6221578ecf73826e9eac9c366c137271653020
ripemd-160 88dc7d1b486aaa5860043e34421a91a0dfbbbcfc

31008987 as geometric shapes

Circle

Radius = n
Diameter 62017974
Circumference 194835211.50892
Area 3.0208212704112E+15

Sphere

Radius = n
Volume 1.2489681000467E+23
Surface area 1.2083285081645E+16
Circumference 194835211.50892

Square

Length = n
Perimeter 124035948
Area 961557274766169
Diagonal 43853329.970851

Cube

Length = n
Surface area 5769343648597014
Volume 2.981691703298E+22
Space diagonal 53709140.975243

Equilateral Triangle

Length = n
Perimeter 93026961
Area 4.1636651357062E+14
Altitude 26854570.487621

Triangular Pyramid

Length = n
Surface area 4.1636651357062E+14
Volume 3.5139573713494E+21
Height 14617776.65695