28821489 (number)

28821489 is an odd 8-digits composite number following 28821488 and preceding 28821490. In scientific notation, it is written as 2.8821489 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 19214324 positive integers (up to 28821489) that are relatively prime to 28821489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8821489 × 10^7
Engineering notation 2.8821489 × 10^6

Prime Factorization of 28821489

Prime Factorization 3 × 9607163

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28821489
Product of the distinct prime numbers

The prime factorization of 28821489 is 3 × 9607163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28821489)

Multiplication

n×y
n×2 57642978
n×3 86464467
n×4 115285956
n×5 144107445

Division

n÷y
n÷2 14410744.5
n÷3 9607163
n÷3 7205372.25
n÷5 5764297.8

Exponentiation

ny
n2 830678228177121
n3 2.3941383415946E+22
n4 6.9002631876748E+29
n5 1.9887585956067E+37

Nth Root

y√n
2√n 5368.5648920359
3√n 306.59999114927
4√n 73.270491277429
5√n 31.041541709018

Divisors of 28821489

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 -28821488
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 28821489 can be divided by 4 positive divisors. The sum of these divisors (counting 28821489) is 1, the average is 0.25.

Base conversion 28821489

Base System Value
2 Binary 1101101111100011111110001
3 Ternary 2000020021122120
4 Quaternary 1231330133301
5 Quinary 24334241424
6 Senary 2505424453
8 Octal 155743761
10 Decimal 28821489
12 Duodecimal 979b129
16 Hexadecimal 1b7c7f1
20 Vigesimal 902de9
36 Base36 h5qsx

Cryptographic Hash Functions

md5 18272097bc1ddb43ded4e9c0522dc38f
sha1 cb76a19c5a167771b935443bdedd7b061b9754fe
sha256 48192fe5171a1a76d115fb3187ea33c1f8df5325bbb3bb98366b93af2c92d197
sha512 099277b6b8e43d299e0970acf15e551b54ba534dcdddf2c8088d4f01b3a31c43b22c9c9a4a6dc095cf3be057c18e126cc10dcb83aef57978404b49308fb3ffa6
ripemd-160 1ae11b2e4f70b63f4e2d91fadfca2e173bc3bb2c

28821489 as geometric shapes

Circle

Radius = n
Diameter 57642978
Circumference 181090756.21584
Area 2.6096526191382E+15

Sphere

Radius = n
Volume 1.0028543234175E+23
Surface area 1.0438610476553E+16
Circumference 181090756.21584

Square

Length = n
Perimeter 115285956
Area 830678228177121
Diagonal 40759740.631587

Cube

Length = n
Surface area 4984069369062726
Volume 2.3941383415946E+22
Space diagonal 49920283.297788

Equilateral Triangle

Length = n
Perimeter 86464467
Area 3.5969422398602E+14
Altitude 24960141.648894

Triangular Pyramid

Length = n
Surface area 3.5969422398602E+14
Volume 2.8215190940671E+21
Height 13586580.210529