28291880 (number)

28291880 is an even 8-digits composite number following 28291879 and preceding 28291881. In scientific notation, it is written as 2.8291880 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 11160576 positive integers (up to 28291880) that are relatively prime to 28291880.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291880 × 10^7
Engineering notation 2.8291880 × 10^6

Prime Factorization of 28291880

Prime Factorization 2 × 2 × 2 × 5 × 73 × 9689

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7072970
Product of the distinct prime numbers

The prime factorization of 28291880 is 2 × 2 × 2 × 5 × 73 × 9689. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291880)

Multiplication

n×y
n×2 56583760
n×3 84875640
n×4 113167520
n×5 141459400

Division

n÷y
n÷2 14145940
n÷3 9430626.6666667
n÷3 7072970
n÷5 5658376

Exponentiation

ny
n2 800430473934400
n3 2.2645682916895E+22
n4 6.4068894360285E+29
n5 1.8126294709739E+37

Nth Root

y√n
2√n 5319.0111863015
3√n 304.71039427354
4√n 72.931551377312
5√n 30.926613116385

Divisors of 28291880

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28291879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291880 can be divided by 32 positive divisors. The sum of these divisors (counting 28291880) is 1, the average is 0.03125.

Base conversion 28291880

Base System Value
2 Binary 1101011111011001100101000
3 Ternary 1222020101011102
4 Quaternary 1223323030220
5 Quinary 24220320010
6 Senary 2450220532
8 Octal 153731450
10 Decimal 28291880
12 Duodecimal 9584748
16 Hexadecimal 1afb328
20 Vigesimal 8gg9e0
36 Base36 gue5k

Cryptographic Hash Functions

md5 178fbf02a68b0478b181f006743e5e2d
sha1 34e11cc70a62e834a192cc188b52e5c15989e01e
sha256 1b85ef4b86ad6a64d372974b44b1dba32b182bf038dacd54de603c66d9ef2bd2
sha512 17364dbf2652d854390e86e19775412c1403d4a58707cb5e3ec869cb399cf53e2bac2a0c8fb323414b8691456140ec4c3f2f62363e11ec0307dbf2edcd23f6e8
ripemd-160 02975f49f4a720a1c3235239cb7067644544bec9

28291880 as geometric shapes

Circle

Radius = n
Diameter 56583760
Circumference 177763124.72849
Area 2.5146264966217E+15

Sphere

Radius = n
Volume 9.4858014782989E+22
Surface area 1.0058505986487E+16
Circumference 177763124.72849

Square

Length = n
Perimeter 113167520
Area 800430473934400
Diagonal 40010760.401032

Cube

Length = n
Surface area 4802582843606400
Volume 2.2645682916895E+22
Space diagonal 49002973.601642

Equilateral Triangle

Length = n
Perimeter 84875640
Area 3.465965621952E+14
Altitude 24501486.800821

Triangular Pyramid

Length = n
Surface area 3.465965621952E+14
Volume 2.6688193258562E+21
Height 13336920.133677