28742019 (number)

28742019 is an odd 8-digits composite number following 28742018 and preceding 28742020. In scientific notation, it is written as 2.8742019 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 17014272 positive integers (up to 28742019) that are relatively prime to 28742019.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8742019 × 10^7
Engineering notation 2.8742019 × 10^6

Prime Factorization of 28742019

Prime Factorization 3 × 17 × 23 × 229 × 107

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28742019
Product of the distinct prime numbers

The prime factorization of 28742019 is 3 × 17 × 23 × 229 × 107. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742019)

Multiplication

n×y
n×2 57484038
n×3 86226057
n×4 114968076
n×5 143710095

Division

n÷y
n÷2 14371009.5
n÷3 9580673
n÷3 7185504.75
n÷5 5748403.8

Exponentiation

ny
n2 826103656196361
n3 2.3743886982365E+22
n4 6.82447250781E+29
n5 1.9614911848445E+37

Nth Root

y√n
2√n 5361.1583636375
3√n 306.31793389516
4√n 73.219931464305
5√n 31.024404519412

Divisors of 28742019

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 -28742018
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 28742019 can be divided by 32 positive divisors. The sum of these divisors (counting 28742019) is 1, the average is 0.03125.

Base conversion 28742019

Base System Value
2 Binary 1101101101001000110000011
3 Ternary 2000002020122020
4 Quaternary 1231221012003
5 Quinary 24324221034
6 Senary 2504012523
8 Octal 155510603
10 Decimal 28742019
12 Duodecimal 9761143
16 Hexadecimal 1b69183
20 Vigesimal 8jcf0j
36 Base36 h41hf

Cryptographic Hash Functions

md5 bea115db1324d9a5fbde218af64c43cf
sha1 00e4c427a7d412154e13ef4dbf970385e1e40d75
sha256 170c49e4d118c64e7a1ce0c13de286e91809a3ca08655a089ca9533f58e6e679
sha512 c06e8d9b662bb315724803bb84d131571a104e5c258bdd90c7ed16443d3b846a2bdf057b1fea152426728c3e378e9d50905f6d6d848c3f210e3256b3df7996f7
ripemd-160 c111efacb621d834fbcfa2c4c20f7567c84d4ae4

28742019 as geometric shapes

Circle

Radius = n
Diameter 57484038
Circumference 180591431.47948
Area 2.5952811774102E+15

Sphere

Radius = n
Volume 9.9458161215287E+22
Surface area 1.0381124709641E+16
Circumference 180591431.47948

Square

Length = n
Perimeter 114968076
Area 826103656196361
Diagonal 40647353.079785

Cube

Length = n
Surface area 4956621937178166
Volume 2.3743886982365E+22
Space diagonal 49782637.22011

Equilateral Triangle

Length = n
Perimeter 86226057
Area 3.5771337621263E+14
Altitude 24891318.610055

Triangular Pyramid

Length = n
Surface area 3.5771337621263E+14
Volume 2.7982439161596E+21
Height 13549117.693262