28427720 (number)

28427720 is an even 8-digits composite number following 28427719 and preceding 28427721. In scientific notation, it is written as 2.8427720 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 11371072 positive integers (up to 28427720) that are relatively prime to 28427720.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty-seven thousand seven hundred twenty

Notation

Scientific notation 2.8427720 × 10^7
Engineering notation 2.8427720 × 10^6

Prime Factorization of 28427720

Prime Factorization 2 × 2 × 2 × 5 × 710693

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7106930
Product of the distinct prime numbers

The prime factorization of 28427720 is 2 × 2 × 2 × 5 × 710693. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28427720)

Multiplication

n×y
n×2 56855440
n×3 85283160
n×4 113710880
n×5 142138600

Division

n÷y
n÷2 14213860
n÷3 9475906.6666667
n÷3 7106930
n÷5 5685544

Exponentiation

ny
n2 808135264398400
n3 2.2973443018444E+22
n4 6.5308260556427E+29
n5 1.8565649447852E+37

Nth Root

y√n
2√n 5331.7651861274
3√n 305.19729240023
4√n 73.018937174732
5√n 30.956254313222

Divisors of 28427720

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 -28427719
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 28427720 can be divided by 16 positive divisors. The sum of these divisors (counting 28427720) is 1, the average is 0.0625.

Base conversion 28427720

Base System Value
2 Binary 1101100011100010111001000
3 Ternary 1222111021111112
4 Quaternary 1230130113020
5 Quinary 24234141340
6 Senary 2453145452
8 Octal 154342710
10 Decimal 28427720
12 Duodecimal 962b288
16 Hexadecimal 1b1c5c8
20 Vigesimal 8hd960
36 Base36 gxayw

Cryptographic Hash Functions

md5 65808299bc8ead7988ebb3df2b07d247
sha1 ec367d5509d5c909b2467287e0249b1e77b5f637
sha256 cbf2e72e9f22f5880b4e4701ecb9481bebec9876991004fbed08a9c382e2846c
sha512 8faec652ddd8fab0ae298d06bf3166bd0069da9e01156c6b150c8af21e60bb4933150b2142abe724a07704ea9bb7b646f3b411dd0056c7e0cfc6a290bc6f7f5e
ripemd-160 496d0d46872954e9f48acd59954132f50688a8b8

28427720 as geometric shapes

Circle

Radius = n
Diameter 56855440
Circumference 178616632.62062
Area 2.5388318097409E+15

Sphere

Radius = n
Volume 9.6230933085875E+22
Surface area 1.0155327238963E+16
Circumference 178616632.62062

Square

Length = n
Perimeter 113710880
Area 808135264398400
Diagonal 40202867.171345

Cube

Length = n
Surface area 4848811586390400
Volume 2.2973443018444E+22
Space diagonal 49238255.383342

Equilateral Triangle

Length = n
Perimeter 85283160
Area 3.4993283433153E+14
Altitude 24619127.691671

Triangular Pyramid

Length = n
Surface area 3.4993283433153E+14
Volume 2.7074462242574E+21
Height 13400955.723782