28742020 (number)

28742020 is an even 8-digits composite number following 28742019 and preceding 28742021. In scientific notation, it is written as 2.8742020 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 11496800 positive integers (up to 28742020) that are relatively prime to 28742020.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand twenty

Notation

Scientific notation 2.8742020 × 10^7
Engineering notation 2.8742020 × 10^6

Prime Factorization of 28742020

Prime Factorization 2 × 2 × 5 × 1437101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14371010
Product of the distinct prime numbers

The prime factorization of 28742020 is 2 × 2 × 5 × 1437101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 20, 80, 654, 694, 5315, 5186, 70029, 95988, 146312, 961033, 4658471, 96767, 69659514, 10173082, 716305941, 86908848, 240712570, 7473717586

Basic calculations (n = 28742020)

Multiplication

n×y
n×2 57484040
n×3 86226060
n×4 114968080
n×5 143710100

Division

n÷y
n÷2 14371010
n÷3 9580673.3333333
n÷3 7185505
n÷5 5748404

Exponentiation

ny
n2 826103713680400
n3 2.3743889460676E+22
n4 6.8244734575655E+29
n5 1.9614915260682E+37

Nth Root

y√n
2√n 5361.1584569009
3√n 306.31793744766
4√n 73.219932101176
5√n 31.024404735294

Divisors of 28742020

1, 2, 4, 5, 10, 20, 1437101, 2874202, 5748404, 7185505, 14371010, 28742020

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28742019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28742020 can be divided by 12 positive divisors. The sum of these divisors (counting 28742020) is 1, the average is 0.083333333333333.

Base conversion 28742020

Base System Value
2 Binary 1101101101001000110000100
3 Ternary 2000002020122021
4 Quaternary 1231221012010
5 Quinary 24324221040
6 Senary 2504012524
8 Octal 155510604
10 Decimal 28742020
12 Duodecimal 9761144
16 Hexadecimal 1b69184
20 Vigesimal 8jcf10
36 Base36 h41hg

Cryptographic Hash Functions

md5 5cc4f231f121d5845bdafd39c05cedfa
sha1 bb47da79fe61bc5dba6becb8d3367dd29a0527c3
sha256 684e05110e417fa5805e01ab3e82c4de8b1731b8e531c9136b7ad77323880f85
sha512 b55a159f6120aa80c6e769f87d470dd0b6e3bfd3cb863023ea690d44c4eb4287ebd049c43765ec1c12503ce53d8f465e458fde7050ab199a52e655e71185e1e8
ripemd-160 1944577e2da6a35cbc8dcca32d38551c7eb143f7

28742020 as geometric shapes

Circle

Radius = n
Diameter 57484040
Circumference 180591437.76266
Area 2.5952813580016E+15

Sphere

Radius = n
Volume 9.9458171596412E+22
Surface area 1.0381125432006E+16
Circumference 180591437.76266

Square

Length = n
Perimeter 114968080
Area 826103713680400
Diagonal 40647354.493999

Cube

Length = n
Surface area 4956622282082400
Volume 2.3743889460676E+22
Space diagonal 49782638.952161

Equilateral Triangle

Length = n
Perimeter 86226060
Area 3.5771340110395E+14
Altitude 24891319.47608

Triangular Pyramid

Length = n
Surface area 3.5771340110395E+14
Volume 2.7982442082313E+21
Height 13549118.164666