28392021 (number)

28392021 is an odd 8-digits composite number following 28392020 and preceding 28392022. In scientific notation, it is written as 2.8392021 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 16223760 positive integers (up to 28392021) that are relatively prime to 28392021.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-two thousand twenty-one

Notation

Scientific notation 2.8392021 × 10^7
Engineering notation 2.8392021 × 10^6

Prime Factorization of 28392021

Prime Factorization 3 × 3 × 49 × 64381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9464007
Product of the distinct prime numbers

The prime factorization of 28392021 is 3 × 3 × 49 × 64381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 1, 9, 847, 585, 3728, 5334, 46474, 35840, 531042, 975908, 7126132, 7544054, 7344966, 60059605, 552587833, 372347044, 8264414986, 1640797633

Basic calculations (n = 28392021)

Multiplication

n×y
n×2 56784042
n×3 85176063
n×4 113568084
n×5 141960105

Division

n÷y
n÷2 14196010.5
n÷3 9464007
n÷3 7098005.25
n÷5 5678404.2

Exponentiation

ny
n2 806106856464441
n3 2.2887002796982E+22
n4 6.4980826403898E+29
n5 1.8449369878568E+37

Nth Root

y√n
2√n 5328.4163688661
3√n 305.06948519885
4√n 72.996002417023
5√n 30.948475547633

Divisors of 28392021

1, 3, 9, 49, 147, 441, 64381, 193143, 579429, 3154669, 9464007, 28392021

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28392020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28392021 can be divided by 12 positive divisors. The sum of these divisors (counting 28392021) is 1, the average is 0.083333333333333.

Base conversion 28392021

Base System Value
2 Binary 1101100010011101001010101
3 Ternary 1222102110112100
4 Quaternary 1230103221111
5 Quinary 24232021041
6 Senary 2452312313
8 Octal 154235125
10 Decimal 28392021
12 Duodecimal 9612699
16 Hexadecimal 1b13a55
20 Vigesimal 8h9011
36 Base36 gwjf9

Cryptographic Hash Functions

md5 486cbfb205394e57fd803d03de80b0d3
sha1 604110b0914efb3617d37493989383d4041a33e9
sha256 d1e41e3981f05b76ffa9da0dfd27408bc0f4d1ba5cb58556089f65f2f8f66317
sha512 7d3d4ae9068e031209906f2e0afc0a69d3d0115395a0ddc68e72ac95a0b4d60d9d90df940b624bcf48f12942c169471effe919755b97ecbe87b56a32ab236be8
ripemd-160 7161d80b9900614ff3751655bedee7f50416e5eb

28392021 as geometric shapes

Circle

Radius = n
Diameter 56784042
Circumference 178392329.18833
Area 2.532459378277E+15

Sphere

Radius = n
Volume 9.5868853132919E+22
Surface area 1.0129837513108E+16
Circumference 178392329.18833

Square

Length = n
Perimeter 113568084
Area 806106856464441
Diagonal 40152381.161382

Cube

Length = n
Surface area 4836641138786646
Volume 2.2887002796982E+22
Space diagonal 49176422.901563

Equilateral Triangle

Length = n
Perimeter 85176063
Area 3.4905450793151E+14
Altitude 24588211.450781

Triangular Pyramid

Length = n
Surface area 3.4905450793151E+14
Volume 2.6972591464636E+21
Height 13384127.053794