28742005 (number)

28742005 is an odd 8-digits composite number following 28742004 and preceding 28742006. In scientific notation, it is written as 2.8742005 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 22812048 positive integers (up to 28742005) that are relatively prime to 28742005.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8742005 × 10^7
Engineering notation 2.8742005 × 10^6

Prime Factorization of 28742005

Prime Factorization 5 × 127 × 45263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28742005
Product of the distinct prime numbers

The prime factorization of 28742005 is 5 × 127 × 45263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742005)

Multiplication

n×y
n×2 57484010
n×3 86226015
n×4 114968020
n×5 143710025

Division

n÷y
n÷2 14371002.5
n÷3 9580668.3333333
n÷3 7185501.25
n÷5 5748401

Exponentiation

ny
n2 826102851420025
n3 2.3743852286029E+22
n4 6.824459211243E+29
n5 1.9614864077184E+37

Nth Root

y√n
2√n 5361.1570579493
3√n 306.31788416017
4√n 73.219922548097
5√n 31.024401497065

Divisors of 28742005

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28742004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28742005 can be divided by 8 positive divisors. The sum of these divisors (counting 28742005) is 1, the average is 0.125.

Base conversion 28742005

Base System Value
2 Binary 1101101101001000101110101
3 Ternary 2000002020121201
4 Quaternary 1231221011311
5 Quinary 24324221010
6 Senary 2504012501
8 Octal 155510565
10 Decimal 28742005
12 Duodecimal 9761131
16 Hexadecimal 1b69175
20 Vigesimal 8jcf05
36 Base36 h41h1

Cryptographic Hash Functions

md5 4278b28d80149d30c0e6bc4b87610a14
sha1 f47c604d251c2d39b66f92b8603f2c6de3334d0b
sha256 f4975ac27515d2ee72a2155af662072f153c715a115290e3ffa8f4c9a38c877c
sha512 da7ca4e67f460bd54926af9d12754ce43fad9d0ce8a80a07fefdd5394a086a61bd12da3d4d68b3d8a78a2592c2d7122fd52047f42482d03e5e0a5b0fa5d157a7
ripemd-160 8e73e5ed523428cb96836369dc064ec46be27360

28742005 as geometric shapes

Circle

Radius = n
Diameter 57484010
Circumference 180591343.51488
Area 2.5952786491307E+15

Sphere

Radius = n
Volume 9.9458015879612E+22
Surface area 1.0381114596523E+16
Circumference 180591343.51488

Square

Length = n
Perimeter 114968020
Area 826102851420025
Diagonal 40647333.280795

Cube

Length = n
Surface area 4956617108520150
Volume 2.3743852286029E+22
Space diagonal 49782612.971399

Equilateral Triangle

Length = n
Perimeter 86226015
Area 3.5771302773425E+14
Altitude 24891306.485699

Triangular Pyramid

Length = n
Surface area 3.5771302773425E+14
Volume 2.7982398271571E+21
Height 13549111.093598