30943987 (number)

30943987 is an odd 8-digits composite number following 30943986 and preceding 30943988. In scientific notation, it is written as 3.0943987 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 30922720 positive integers (up to 30943987) that are relatively prime to 30943987.

Interesting facts

Basic properties

Name

Name thirty million nine hundred forty-three thousand nine hundred eighty-seven

Notation

Scientific notation 3.0943987 × 10^7
Engineering notation 3.0943987 × 10^6

Prime Factorization of 30943987

Prime Factorization 1571 × 19697

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30943987
Product of the distinct prime numbers

The prime factorization of 30943987 is 1571 × 19697. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30943987)

Multiplication

n×y
n×2 61887974
n×3 92831961
n×4 123775948
n×5 154719935

Division

n÷y
n÷2 15471993.5
n÷3 10314662.333333
n÷3 7735996.75
n÷5 6188797.4

Exponentiation

ny
n2 957530331456169
n3 2.9629806128685E+22
n4 9.1686433565856E+29
n5 2.8371438083382E+37

Nth Root

y√n
2√n 5562.7319726911
3√n 313.94874885324
4√n 74.583724583123
5√n 31.485837810737

Divisors of 30943987

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 -30943986
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 30943987 can be divided by 4 positive divisors. The sum of these divisors (counting 30943987) is 1, the average is 0.25.

Base conversion 30943987

Base System Value
2 Binary 1110110000010101011110011
3 Ternary 2011020010011121
4 Quaternary 1312002223303
5 Quinary 30410201422
6 Senary 3023123111
8 Octal 166025363
10 Decimal 30943987
12 Duodecimal a443497
16 Hexadecimal 1d82af3
20 Vigesimal 9d7jj7
36 Base36 if8j7

Cryptographic Hash Functions

md5 a8b87e9d37e18ab4cf6b1209de532c23
sha1 73c76e8a4fb5165707bb7587d80c0c6e92c35cf9
sha256 60d980a8b6c54b519f4ad2ef8e46f43d4dd1f54515536f6c2c746fba0b93c3d1
sha512 64668b4327c01f22d2085d51184878dc94493091c6992595306f4eed63ae79c1d6dd060bc46e9628696f939e833e4fba0e59fe9b2b155c836920f671222fb3b9
ripemd-160 355329f262e0f16d35ae7c004df54c3c223ea03a

30943987 as geometric shapes

Circle

Radius = n
Diameter 61887974
Circumference 194426804.46396
Area 3.0081702548921E+15

Sphere

Radius = n
Volume 1.2411304168156E+23
Surface area 1.2032681019568E+16
Circumference 194426804.46396

Square

Length = n
Perimeter 123775948
Area 957530331456169
Diagonal 43761406.089297

Cube

Length = n
Surface area 5745181988737014
Volume 2.9629806128685E+22
Space diagonal 53596557.672751

Equilateral Triangle

Length = n
Perimeter 92831961
Area 4.1462279596759E+14
Altitude 26798278.836375

Triangular Pyramid

Length = n
Surface area 4.1462279596759E+14
Volume 3.491906139806E+21
Height 14587135.363099