28412981 (number)

28412981 is an odd 8-digits composite number following 28412980 and preceding 28412982. In scientific notation, it is written as 2.8412981 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 26544672 positive integers (up to 28412981) that are relatively prime to 28412981.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twelve thousand nine hundred eighty-one

Notation

Scientific notation 2.8412981 × 10^7
Engineering notation 2.8412981 × 10^6

Prime Factorization of 28412981

Prime Factorization 989 × 28729

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28412981
Product of the distinct prime numbers

The prime factorization of 28412981 is 989 × 28729. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28412981)

Multiplication

n×y
n×2 56825962
n×3 85238943
n×4 113651924
n×5 142064905

Division

n÷y
n÷2 14206490.5
n÷3 9470993.6666667
n÷3 7103245.25
n÷5 5682596.2

Exponentiation

ny
n2 807297489306361
n3 2.2937728225009E+22
n4 6.5172923624035E+29
n5 1.8517570406442E+37

Nth Root

y√n
2√n 5330.3828192729
3√n 305.14453778217
4√n 73.009470750533
5√n 30.953043652037

Divisors of 28412981

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 -28412980
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 28412981 can be divided by 4 positive divisors. The sum of these divisors (counting 28412981) is 1, the average is 0.25.

Base conversion 28412981

Base System Value
2 Binary 1101100011000110000110101
3 Ternary 1222110112021122
4 Quaternary 1230120300311
5 Quinary 24233203411
6 Senary 2452553325
8 Octal 154306065
10 Decimal 28412981
12 Duodecimal 9622845
16 Hexadecimal 1b18c35
20 Vigesimal 8hbc91
36 Base36 gwzlh

Cryptographic Hash Functions

md5 61402308989a9f4aa21a30e87f4273c4
sha1 8b44dd33d5ea72a6b518310679b56e07d5a3c74c
sha256 54ed6881c14f4cabc5e6825cde887e05d48763c034752855b3409a881fc47248
sha512 6bbf5212ddf599d91468e3874e91e9b25d338d82007b95c56736ff3781481e8b46aaa2a6b2375d9ad3444ee6ccbcd0bb9564badfda991cd8a111464507c76973
ripemd-160 db9662abf663695003aa99de70b2459b93d20ced

28412981 as geometric shapes

Circle

Radius = n
Diameter 56825962
Circumference 178524024.75237
Area 2.5361998616663E+15

Sphere

Radius = n
Volume 9.6081331308971E+22
Surface area 1.0144799446665E+16
Circumference 178524024.75237

Square

Length = n
Perimeter 113651924
Area 807297489306361
Diagonal 40182023.077649

Cube

Length = n
Surface area 4843784935838166
Volume 2.2937728225009E+22
Space diagonal 49212726.686489

Equilateral Triangle

Length = n
Perimeter 85238943
Area 3.4957006707535E+14
Altitude 24606363.343245

Triangular Pyramid

Length = n
Surface area 3.4957006707535E+14
Volume 2.7032371954864E+21
Height 13394007.69255