28931737 (number)

28931737 is an odd 8-digits composite number following 28931736 and preceding 28931738. In scientific notation, it is written as 2.8931737 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 27337680 positive integers (up to 28931737) that are relatively prime to 28931737.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931737 × 10^7
Engineering notation 2.8931737 × 10^6

Prime Factorization of 28931737

Prime Factorization 19 × 431 × 3533

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28931737
Product of the distinct prime numbers

The prime factorization of 28931737 is 19 × 431 × 3533. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 12, 66, 255, 195, 7613, 3050, 1531, 67691, 38440, 709967, 9766159, 2916712, 90203700, 52935444, 140925889, 115579080, 2085290894, 6258172782

Basic calculations (n = 28931737)

Multiplication

n×y
n×2 57863474
n×3 86795211
n×4 115726948
n×5 144658685

Division

n÷y
n÷2 14465868.5
n÷3 9643912.3333333
n÷3 7232934.25
n÷5 5786347.4

Exponentiation

ny
n2 837045405837169
n3 2.4217177538739E+22
n4 7.0064501143311E+29
n5 2.0270877201145E+37

Nth Root

y√n
2√n 5378.8230125186
3√n 306.99042930832
4√n 73.340459587588
5√n 31.065253485538

Divisors of 28931737

1, 19, 431, 3533, 8189, 67127, 1522723, 28931737

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 -28931736
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 28931737 can be divided by 8 positive divisors. The sum of these divisors (counting 28931737) is 1, the average is 0.125.

Base conversion 28931737

Base System Value
2 Binary 1101110010111011010011001
3 Ternary 2000102212212211
4 Quaternary 1232113122121
5 Quinary 24401303422
6 Senary 2512035121
8 Octal 156273231
10 Decimal 28931737
12 Duodecimal 9832aa1
16 Hexadecimal 1b97699
20 Vigesimal 90g96h
36 Base36 h83vd

Cryptographic Hash Functions

md5 d30b77545cbf795724a2228027dac8e7
sha1 38b235a341c5ccf65fab0d1591938f045c199070
sha256 eaf9cbc26836c664ee1f376a535e07626b3495692cb178c0c254467399651870
sha512 5ecb3d4cda79d104dff1059897a69724d66e1d047e3c8939f4fbb7e987f77086f4acdaf5b3a841a3e50aae09f74109bcf33b45fea121cb1a0d9646cf838fee87
ripemd-160 de1fc18db580b7f5e635ad7de9afd630f8bf6874

28931737 as geometric shapes

Circle

Radius = n
Diameter 57863474
Circumference 181783464.82958
Area 2.6296556976991E+15

Sphere

Radius = n
Volume 1.0144067606184E+23
Surface area 1.0518622790797E+16
Circumference 181783464.82958

Square

Length = n
Perimeter 115726948
Area 837045405837169
Diagonal 40915654.848411

Cube

Length = n
Surface area 5022272435023014
Volume 2.4217177538739E+22
Space diagonal 50111238.43522

Equilateral Triangle

Length = n
Perimeter 86795211
Area 3.6245129278802E+14
Altitude 25055619.21761

Triangular Pyramid

Length = n
Surface area 3.6245129278802E+14
Volume 2.8540217431402E+21
Height 13638551.616137