28931470 (number)

28931470 is an even 8-digits composite number following 28931469 and preceding 28931471. In scientific notation, it is written as 2.8931470 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 11069344 positive integers (up to 28931470) that are relatively prime to 28931470.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand four hundred seventy

Notation

Scientific notation 2.8931470 × 10^7
Engineering notation 2.8931470 × 10^6

Prime Factorization of 28931470

Prime Factorization 2 × 5 × 23 × 125789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931470
Product of the distinct prime numbers

The prime factorization of 28931470 is 2 × 5 × 23 × 125789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931470)

Multiplication

n×y
n×2 57862940
n×3 86794410
n×4 115725880
n×5 144657350

Division

n÷y
n÷2 14465735
n÷3 9643823.3333333
n÷3 7232867.5
n÷5 5786294

Exponentiation

ny
n2 837029956360900
n3 2.4216507071557E+22
n4 7.0061914784553E+29
n5 2.0269941857319E+37

Nth Root

y√n
2√n 5378.7981929052
3√n 306.98948493943
4√n 73.340290379199
5√n 31.065196147444

Divisors of 28931470

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931469
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931470 can be divided by 16 positive divisors. The sum of these divisors (counting 28931470) is 1, the average is 0.0625.

Base conversion 28931470

Base System Value
2 Binary 1101110010111010110001110
3 Ternary 2000102212111221
4 Quaternary 1232113112032
5 Quinary 24401301340
6 Senary 2512033554
8 Octal 156272616
10 Decimal 28931470
12 Duodecimal 98328ba
16 Hexadecimal 1b9758e
20 Vigesimal 90g8da
36 Base36 h83ny

Cryptographic Hash Functions

md5 939a7bf1e6c67e2c9ade5035780d8955
sha1 6a33208fe56ba42723963045c8a8bc6bc1db09e6
sha256 43a80052a909625f8738678332f4dc41b3d0da11ced5c681c47b15d502d43420
sha512 0af26e14f8a662b6eb724f4e5f090a41ecb76ac4ddcd0e688834539d1716c77042d8363633073d502d06280ea5242aba677bc4d47b4fa89ead61619eb21b9b88
ripemd-160 990f97a85b9b7cf786da6d564bea8e9f74b2973e

28931470 as geometric shapes

Circle

Radius = n
Diameter 57862940
Circumference 181781787.21911
Area 2.629607161738E+15

Sphere

Radius = n
Volume 1.0143786761548E+23
Surface area 1.0518428646952E+16
Circumference 181781787.21911

Square

Length = n
Perimeter 115725880
Area 837029956360900
Diagonal 40915277.25339

Cube

Length = n
Surface area 5022179738165400
Volume 2.4216507071557E+22
Space diagonal 50110775.977655

Equilateral Triangle

Length = n
Perimeter 86794410
Area 3.6244460296856E+14
Altitude 25055387.988827

Triangular Pyramid

Length = n
Surface area 3.6244460296856E+14
Volume 2.853942727825E+21
Height 13638425.75113