28491306 (number)

28491306 is an even 8-digits composite number following 28491305 and preceding 28491307. In scientific notation, it is written as 2.8491306 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 9157680 positive integers (up to 28491306) that are relatively prime to 28491306.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand three hundred six

Notation

Scientific notation 2.8491306 × 10^7
Engineering notation 2.8491306 × 10^6

Prime Factorization of 28491306

Prime Factorization 2 × 3 × 71 × 47 × 1423

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28491306
Product of the distinct prime numbers

The prime factorization of 28491306 is 2 × 3 × 71 × 47 × 1423. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491306)

Multiplication

n×y
n×2 56982612
n×3 85473918
n×4 113965224
n×5 142456530

Division

n÷y
n÷2 14245653
n÷3 9497102
n÷3 7122826.5
n÷5 5698261.2

Exponentiation

ny
n2 811754517585636
n3 2.3127946357415E+22
n4 6.5894539682069E+29
n5 1.877421493811E+37

Nth Root

y√n
2√n 5337.724796203
3√n 305.42467403014
4√n 73.059734438355
5√n 30.970090284766

Divisors of 28491306

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 -28491305
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 28491306 can be divided by 32 positive divisors. The sum of these divisors (counting 28491306) is 1, the average is 0.03125.

Base conversion 28491306

Base System Value
2 Binary 1101100101011111000101010
3 Ternary 1222121111201120
4 Quaternary 1230223320222
5 Quinary 24243210211
6 Senary 2454400110
8 Octal 154537052
10 Decimal 28491306
12 Duodecimal 9660036
16 Hexadecimal 1b2be2a
20 Vigesimal 8i1856
36 Base36 gyo16

Cryptographic Hash Functions

md5 4b1936d4b82792a84c22b086d2471af2
sha1 d23df279c07c4c7aa6d4823fd720a1e4762befb9
sha256 ee3888442f1b9ecb4f5af68b83d986ccd47b5c12a96b1e9629b6a149ac78c04b
sha512 48f5cad85e2b18f2d92037da93800e6e7bac2e51c817ef33a5907103ecd933c7a89f4edfbd1bd8db8cdb55bb322ef8227b51ac5d9b2ea5c2ff7bdf7648ac67ef
ripemd-160 7f9e614ff5bfbe513c73eb332746158129239aae

28491306 as geometric shapes

Circle

Radius = n
Diameter 56982612
Circumference 179016155.24156
Area 2.5502020289654E+15

Sphere

Radius = n
Volume 9.6878115158764E+22
Surface area 1.0200808115861E+16
Circumference 179016155.24156

Square

Length = n
Perimeter 113965224
Area 811754517585636
Diagonal 40292791.354922

Cube

Length = n
Surface area 4870527105513816
Volume 2.3127946357415E+22
Space diagonal 49348389.565992

Equilateral Triangle

Length = n
Perimeter 85473918
Area 3.5150001693297E+14
Altitude 24674194.782996

Triangular Pyramid

Length = n
Surface area 3.5150001693297E+14
Volume 2.7256546173744E+21
Height 13430930.451641