28993457 (number)

28993457 is an odd 8-digits composite number following 28993456 and preceding 28993458. In scientific notation, it is written as 2.8993457 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 28978800 positive integers (up to 28993457) that are relatively prime to 28993457.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-three thousand four hundred fifty-seven

Notation

Scientific notation 2.8993457 × 10^7
Engineering notation 2.8993457 × 10^6

Prime Factorization of 28993457

Prime Factorization 2357 × 12301

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28993457
Product of the distinct prime numbers

The prime factorization of 28993457 is 2357 × 12301. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 26, 68, 316, 316, 3974, 2588, 27155, 23718, 483097, 123257, 6717347, 6845105, 80994085, 2709644, 22403674, 293066475, 369437455, 530056287

Basic calculations (n = 28993457)

Multiplication

n×y
n×2 57986914
n×3 86980371
n×4 115973828
n×5 144967285

Division

n÷y
n÷2 14496728.5
n÷3 9664485.6666667
n÷3 7248364.25
n÷5 5798691.4

Exponentiation

ny
n2 840620548810849
n3 2.4372495735264E+22
n4 7.0664290708305E+29
n5 2.0488020740867E+37

Nth Root

y√n
2√n 5384.5572705655
3√n 307.20857488927
4√n 73.379542588964
5√n 31.078496474905

Divisors of 28993457

1, 2357, 12301, 28993457

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 -28993456
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 28993457 can be divided by 4 positive divisors. The sum of these divisors (counting 28993457) is 1, the average is 0.25.

Base conversion 28993457

Base System Value
2 Binary 1101110100110011110110001
3 Ternary 2000120000112202
4 Quaternary 1232212132301
5 Quinary 24410242312
6 Senary 2513232545
8 Octal 156463661
10 Decimal 28993457
12 Duodecimal 9862755
16 Hexadecimal 1ba67b1
20 Vigesimal 9143ch
36 Base36 h9fht

Cryptographic Hash Functions

md5 0e886e102b20ed8b2e69e0d63eadabfc
sha1 a448af05dc9640ddb50384f47f22492f8c4d6430
sha256 8ba78e62fbc2bc47a12a58035ea2649c7fa99565289891403c56f40604d0ed69
sha512 51803d5ba70d214a1b4cfa48894406af774851c56c21d4ad8b3c179312cb03c99abef03941569f1e1f3c83a18ea18b8c13b0363e04474e5ca71f8891a4e67b4f
ripemd-160 1a66c69a25e2aba12318d931022e6f620b53c06d

28993457 as geometric shapes

Circle

Radius = n
Diameter 57986914
Circumference 182171263.02674
Area 2.6408873406008E+15

Sphere

Radius = n
Volume 1.0209127140207E+23
Surface area 1.0563549362403E+16
Circumference 182171263.02674

Square

Length = n
Perimeter 115973828
Area 840620548810849
Diagonal 41002940.109481

Cube

Length = n
Surface area 5043723292865094
Volume 2.4372495735264E+22
Space diagonal 50218140.611064

Equilateral Triangle

Length = n
Perimeter 86980371
Area 3.6399937510671E+14
Altitude 25109070.305532

Triangular Pyramid

Length = n
Surface area 3.6399937510671E+14
Volume 2.8723261681409E+21
Height 13667646.70316