28742405 (number)

28742405 is an odd 8-digits composite number following 28742404 and preceding 28742406. In scientific notation, it is written as 2.8742405 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 22993920 positive integers (up to 28742405) that are relatively prime to 28742405.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand four hundred five

Notation

Scientific notation 2.8742405 × 10^7
Engineering notation 2.8742405 × 10^6

Prime Factorization of 28742405

Prime Factorization 5 × 5748481

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28742405
Product of the distinct prime numbers

The prime factorization of 28742405 is 5 × 5748481. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742405)

Multiplication

n×y
n×2 57484810
n×3 86227215
n×4 114969620
n×5 143712025

Division

n÷y
n÷2 14371202.5
n÷3 9580801.6666667
n÷3 7185601.25
n÷5 5748481

Exponentiation

ny
n2 826125845184025
n3 2.3744843623247E+22
n4 6.8248391208102E+29
n5 1.9616229007017E+37

Nth Root

y√n
2√n 5361.1943631993
3√n 306.31930515342
4√n 73.220177295601
5√n 31.024487849367

Divisors of 28742405

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 -28742404
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 28742405 can be divided by 4 positive divisors. The sum of these divisors (counting 28742405) is 1, the average is 0.25.

Base conversion 28742405

Base System Value
2 Binary 1101101101001001100000101
3 Ternary 2000002021011112
4 Quaternary 1231221030011
5 Quinary 24324224110
6 Senary 2504014405
8 Octal 155511405
10 Decimal 28742405
12 Duodecimal 9761405
16 Hexadecimal 1b69305
20 Vigesimal 8jcg05
36 Base36 h41s5

Cryptographic Hash Functions

md5 8966de9dbf54f1c28a0dc83f8b6e8d55
sha1 d9743b61b41e3949e106a087a8695af5657138f3
sha256 392064aedd3a04c51deed99da88adf17966891d3fc1c914b5acdfdd34ba3d760
sha512 6c32f19f6d26089d7f0b6a673e0e5961906277cca3e8e3bc3830c263c84b493b5899ca90df0ae811a0305ef4bb69e20b6b456b72be2a2f2c2d7476cc42e19a75
ripemd-160 846c56ad51ded0cf91493f9152f521b17306370a

28742405 as geometric shapes

Circle

Radius = n
Diameter 57484810
Circumference 180593856.78901
Area 2.5953508861708E+15

Sphere

Radius = n
Volume 9.946216838324E+22
Surface area 1.0381403544683E+16
Circumference 180593856.78901

Square

Length = n
Perimeter 114969620
Area 826125845184025
Diagonal 40647898.96622

Cube

Length = n
Surface area 4956755071104150
Volume 2.3744843623247E+22
Space diagonal 49783305.791722

Equilateral Triangle

Length = n
Perimeter 86227215
Area 3.5772298432613E+14
Altitude 24891652.895861

Triangular Pyramid

Length = n
Surface area 3.5772298432613E+14
Volume 2.7983566573686E+21
Height 13549299.655407