28742015 (number)

28742015 is an odd 8-digits composite number following 28742014 and preceding 28742016. In scientific notation, it is written as 2.8742015 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 22993608 positive integers (up to 28742015) that are relatively prime to 28742015.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8742015 × 10^7
Engineering notation 2.8742015 × 10^6

Prime Factorization of 28742015

Prime Factorization 5 × 5748403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28742015
Product of the distinct prime numbers

The prime factorization of 28742015 is 5 × 5748403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742015)

Multiplication

n×y
n×2 57484030
n×3 86226045
n×4 114968060
n×5 143710075

Division

n÷y
n÷2 14371007.5
n÷3 9580671.6666667
n÷3 7185503.75
n÷5 5748403

Exponentiation

ny
n2 826103426260225
n3 2.3743877069123E+22
n4 6.8244687087888E+29
n5 1.9614898199504E+37

Nth Root

y√n
2√n 5361.1579905838
3√n 306.31791968517
4√n 73.219928916817
5√n 31.024403655884

Divisors of 28742015

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28742014
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28742015 can be divided by 4 positive divisors. The sum of these divisors (counting 28742015) is 1, the average is 0.25.

Base conversion 28742015

Base System Value
2 Binary 1101101101001000101111111
3 Ternary 2000002020122002
4 Quaternary 1231221011333
5 Quinary 24324221030
6 Senary 2504012515
8 Octal 155510577
10 Decimal 28742015
12 Duodecimal 976113b
16 Hexadecimal 1b6917f
20 Vigesimal 8jcf0f
36 Base36 h41hb

Cryptographic Hash Functions

md5 c21222b7523400e8900e46ce8f5aa116
sha1 ddad5981f95eb305fcef5f902cd9fbdff890de32
sha256 fe01184dd64c1d71f60cfa3ba86a827697e85f047415006d5917d70f2009fef4
sha512 af9ffef01f777e2689402fc06e4fe23c2868e57d0140857def69d4dccd6d1cd9b602cb6b076fcc966344e0ca92be9b8de51f2657ff3ef9bb1fc3fc8e2d46eb29
ripemd-160 457412131ffb6706702f24c7dc80c8b732286d66

28742015 as geometric shapes

Circle

Radius = n
Diameter 57484030
Circumference 180591406.34674
Area 2.5952804550445E+15

Sphere

Radius = n
Volume 9.9458119690794E+22
Surface area 1.0381121820178E+16
Circumference 180591406.34674

Square

Length = n
Perimeter 114968060
Area 826103426260225
Diagonal 40647347.422931

Cube

Length = n
Surface area 4956620557561350
Volume 2.3743877069123E+22
Space diagonal 49782630.291907

Equilateral Triangle

Length = n
Perimeter 86226045
Area 3.5771327664736E+14
Altitude 24891315.145953

Triangular Pyramid

Length = n
Surface area 3.5771327664736E+14
Volume 2.7982427478727E+21
Height 13549115.807644