30278987 (number)

30278987 is an odd 8-digits composite number following 30278986 and preceding 30278988. In scientific notation, it is written as 3.0278987 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 28443744 positive integers (up to 30278987) that are relatively prime to 30278987.

Interesting facts

Basic properties

Name

Name thirty million two hundred seventy-eight thousand nine hundred eighty-seven

Notation

Scientific notation 3.0278987 × 10^7
Engineering notation 3.0278987 × 10^6

Prime Factorization of 30278987

Prime Factorization 37 × 29 × 28219

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30278987
Product of the distinct prime numbers

The prime factorization of 30278987 is 37 × 29 × 28219. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30278987)

Multiplication

n×y
n×2 60557974
n×3 90836961
n×4 121115948
n×5 151394935

Division

n÷y
n÷2 15139493.5
n÷3 10092995.666667
n÷3 7569746.75
n÷5 6055797.4

Exponentiation

ny
n2 916817053746169
n3 2.7760291651759E+22
n4 8.4055351003981E+29
n5 2.54511088033E+37

Nth Root

y√n
2√n 5502.6345508311
3√n 311.68347734859
4√n 74.179744882489
5√n 31.349330347037

Divisors of 30278987

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 -30278986
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 30278987 can be divided by 8 positive divisors. The sum of these divisors (counting 30278987) is 1, the average is 0.125.

Base conversion 30278987

Base System Value
2 Binary 1110011100000010101001011
3 Ternary 2002222022221222
4 Quaternary 1303200111023
5 Quinary 30222411422
6 Senary 3000552255
8 Octal 163402513
10 Decimal 30278987
12 Duodecimal a18268b
16 Hexadecimal 1ce054b
20 Vigesimal 994h97
36 Base36 i0zez

Cryptographic Hash Functions

md5 b7080a1c63cd9977c02558dcc7ff8721
sha1 c2aadab239e56eeec57026def61b9518612996b0
sha256 2a2563bbd2ce1c1f39702bdc619f39b1c906bfa73540da7b57cbaf98eb80961b
sha512 82a9987c26782fb3c097680672260dda3341828b40b64fd71eb5b323dd65fb5afd7e60cd1c00a81e1448601ec8925fdef4fa8f34e82b45199c0bee50d5b2b9bf
ripemd-160 eb55ab290277939e56e358295b8ac56b17b834cf

30278987 as geometric shapes

Circle

Radius = n
Diameter 60557974
Circumference 190248486.23468
Area 2.8802657207348E+15

Sphere

Radius = n
Volume 1.162820377529E+23
Surface area 1.1521062882939E+16
Circumference 190248486.23468

Square

Length = n
Perimeter 121115948
Area 916817053746169
Diagonal 42820954.070319

Cube

Length = n
Surface area 5500902322477014
Volume 2.7760291651759E+22
Space diagonal 52444743.885718

Equilateral Triangle

Length = n
Perimeter 90836961
Area 3.9699342958349E+14
Altitude 26222371.942859

Triangular Pyramid

Length = n
Surface area 3.9699342958349E+14
Volume 3.2715817457791E+21
Height 14273651.356773