28291290 (number)

28291290 is an even 8-digits composite number following 28291289 and preceding 28291291. In scientific notation, it is written as 2.8291290 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 7544336 positive integers (up to 28291290) that are relatively prime to 28291290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291290 × 10^7
Engineering notation 2.8291290 × 10^6

Prime Factorization of 28291290

Prime Factorization 2 × 5 × 3 × 943043

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28291290
Product of the distinct prime numbers

The prime factorization of 28291290 is 2 × 5 × 3 × 943043. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 68, 77, 774, 36, 8664, 4781, 21055, 78169, 975639, 924884, 5057070, 6322022, 90386199, 75139882, 891934371, 31810873, 7647935287, 8276983597

Basic calculations (n = 28291290)

Multiplication

n×y
n×2 56582580
n×3 84873870
n×4 113165160
n×5 141456450

Division

n÷y
n÷2 14145645
n÷3 9430430
n÷3 7072822.5
n÷5 5658258

Exponentiation

ny
n2 800397089864100
n3 2.2644266184501E+22
n4 6.4063550146292E+29
n5 1.8124404756183E+37

Nth Root

y√n
2√n 5318.955724576
3√n 304.70827611122
4√n 72.931171144964
5√n 30.926484126343

Divisors of 28291290

1, 2, 3, 5, 6, 10, 15, 30, 943043, 1886086, 2829129, 4715215, 5658258, 9430430, 14145645, 28291290

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 -28291289
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 28291290 can be divided by 16 positive divisors. The sum of these divisors (counting 28291290) is 1, the average is 0.0625.

Base conversion 28291290

Base System Value
2 Binary 1101011111011000011011010
3 Ternary 1222020100100120
4 Quaternary 1223323003122
5 Quinary 24220310130
6 Senary 2450214110
8 Octal 153730332
10 Decimal 28291290
12 Duodecimal 9584336
16 Hexadecimal 1afb0da
20 Vigesimal 8gg84a
36 Base36 gudp6

Cryptographic Hash Functions

md5 11d20562a5ef8fa5819a3d6b67e1de0b
sha1 c9047cdfe08a0520b0a48ba4dce6e9c60d62202a
sha256 dcf986b2a16e0843c46c75b474bd6717192e56259be341f6ac1083e973484ef9
sha512 368e5167a63fd66144afee48b06a48214b905c1259592b8d00cf31701398848ea696d944bd3d9679f378769470d28ebc5db19dbf44830778f6bd590998e950c3
ripemd-160 a75d84dfe18d3df58a4bd0f65111e0792d0282f4

28291290 as geometric shapes

Circle

Radius = n
Diameter 56582580
Circumference 177759417.64916
Area 2.5145216174717E+15

Sphere

Radius = n
Volume 9.4852080388215E+22
Surface area 1.0058086469887E+16
Circumference 177759417.64916

Square

Length = n
Perimeter 113165160
Area 800397089864100
Diagonal 40009926.01503

Cube

Length = n
Surface area 4802382539184600
Volume 2.2644266184501E+22
Space diagonal 49001951.691665

Equilateral Triangle

Length = n
Perimeter 84873870
Area 3.4658210646872E+14
Altitude 24500975.845833

Triangular Pyramid

Length = n
Surface area 3.4658210646872E+14
Volume 2.6686523623424E+21
Height 13336642.00501