28821481 (number)

28821481 is an odd 8-digits composite number following 28821480 and preceding 28821482. In scientific notation, it is written as 2.8821481 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 25409664 positive integers (up to 28821481) that are relatively prime to 28821481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8821481 × 10^7
Engineering notation 2.8821481 × 10^6

Prime Factorization of 28821481

Prime Factorization 13 × 43 × 47 × 1097

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28821481
Product of the distinct prime numbers

The prime factorization of 28821481 is 13 × 43 × 47 × 1097. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 68, 92, 644, 501, 3154, 540, 45728, 60091, 526866, 867934, 9151545, 4749206, 91807754, 15675177, 696244533, 942066513, 2764316685, 3078864749

Basic calculations (n = 28821481)

Multiplication

n×y
n×2 57642962
n×3 86464443
n×4 115285924
n×5 144107405

Division

n÷y
n÷2 14410740.5
n÷3 9607160.3333333
n÷3 7205370.25
n÷5 5764296.2

Exponentiation

ny
n2 830677767033361
n3 2.3941363479674E+22
n4 6.9002555264353E+29
n5 1.988755835503E+37

Nth Root

y√n
2√n 5368.5641469577
3√n 306.59996278155
4√n 73.270486192994
5√n 31.041539985774

Divisors of 28821481

1, 13, 43, 47, 559, 611, 1097, 2021, 14261, 26273, 47171, 51559, 613223, 670267, 2217037, 28821481

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821481 can be divided by 16 positive divisors. The sum of these divisors (counting 28821481) is 1, the average is 0.0625.

Base conversion 28821481

Base System Value
2 Binary 1101101111100011111101001
3 Ternary 2000020021122021
4 Quaternary 1231330133221
5 Quinary 24334241411
6 Senary 2505424441
8 Octal 155743751
10 Decimal 28821481
12 Duodecimal 979b121
16 Hexadecimal 1b7c7e9
20 Vigesimal 902de1
36 Base36 h5qsp

Cryptographic Hash Functions

md5 78910a502dd3c7baa4f7466189e3cfae
sha1 144c82bb32eaf7f20abd5771d84abef81dabce31
sha256 9a9e4bf4cbfc77760280519c11070544c7d76f03ffa2a9972dfdc8146c694f5b
sha512 b8087af0f2746a87040f93c731874f591c0f6609544d49310ed23288d2f8ac58bdcdd9ebcf1ff2bc9424a9bf403dcdf24162c55fdd638484e8210709697006ef
ripemd-160 693d5da54d2ca511f72b8d97a8108d7c24556601

28821481 as geometric shapes

Circle

Radius = n
Diameter 57642962
Circumference 181090705.95036
Area 2.6096511704124E+15

Sphere

Radius = n
Volume 1.0028534883289E+23
Surface area 1.043860468165E+16
Circumference 181090705.95036

Square

Length = n
Perimeter 115285924
Area 830677767033361
Diagonal 40759729.317878

Cube

Length = n
Surface area 4984066602200166
Volume 2.3941363479674E+22
Space diagonal 49920269.441381

Equilateral Triangle

Length = n
Perimeter 86464443
Area 3.5969402430491E+14
Altitude 24960134.720691

Triangular Pyramid

Length = n
Surface area 3.5969402430491E+14
Volume 2.821516744555E+21
Height 13586576.439293