28397727 (number)

28397727 is an odd 8-digits composite number following 28397726 and preceding 28397728. In scientific notation, it is written as 2.8397727 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 18931812 positive integers (up to 28397727) that are relatively prime to 28397727.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand seven hundred twenty-seven

Notation

Scientific notation 2.8397727 × 10^7
Engineering notation 2.8397727 × 10^6

Prime Factorization of 28397727

Prime Factorization 3 × 3 × 3155303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9465909
Product of the distinct prime numbers

The prime factorization of 28397727 is 3 × 3 × 3155303. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28397727)

Multiplication

n×y
n×2 56795454
n×3 85193181
n×4 113590908
n×5 141988635

Division

n÷y
n÷2 14198863.5
n÷3 9465909
n÷3 7099431.75
n÷5 5679545.4

Exponentiation

ny
n2 806430898766529
n3 2.2900804507537E+22
n4 6.5033079448539E+29
n5 1.8467916361489E+37

Nth Root

y√n
2√n 5328.9517730976
3√n 305.08992063366
4√n 72.999669678003
5√n 30.949719402779

Divisors of 28397727

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28397726
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28397727 can be divided by 6 positive divisors. The sum of these divisors (counting 28397727) is 1, the average is 0.16666666666667.

Base conversion 28397727

Base System Value
2 Binary 1101100010101000010011111
3 Ternary 1222102202100200
4 Quaternary 1230111002133
5 Quinary 24232211402
6 Senary 2452354543
8 Octal 154250237
10 Decimal 28397727
12 Duodecimal 9615a53
16 Hexadecimal 1b1509f
20 Vigesimal 8h9e67
36 Base36 gwntr

Cryptographic Hash Functions

md5 757ab5c9e626b8295f47195b525b6e54
sha1 ea89901763cd91230df74710bb0a5893aa3608d4
sha256 ebef00a7385996343fa0699fbcbaef2dfa16c41eefc18ba905cff72ac4ecffe6
sha512 62db8b5396da8a4d38ffa0d1fd4ffd00ac984bcbbb685223aea08f3c1baadf68268d42d61ab93a7af9716c92aa7647a752b5c9d0d45f740af1537d46ae7ab0a3
ripemd-160 b7e51560095e30af63c0f9a7b5097d8c7982240a

28397727 as geometric shapes

Circle

Radius = n
Diameter 56795454
Circumference 178428181.0437
Area 2.5334773871927E+15

Sphere

Radius = n
Volume 9.5926665602897E+22
Surface area 1.0133909548771E+16
Circumference 178428181.0437

Square

Length = n
Perimeter 113590908
Area 806430898766529
Diagonal 40160450.663969

Cube

Length = n
Surface area 4838585392599174
Volume 2.2900804507537E+22
Space diagonal 49186305.983471

Equilateral Triangle

Length = n
Perimeter 85193181
Area 3.4919482236427E+14
Altitude 24593152.991735

Triangular Pyramid

Length = n
Surface area 3.4919482236427E+14
Volume 2.6988856936511E+21
Height 13386816.88799