28920072 (number)

28920072 is an even 8-digits composite number following 28920071 and preceding 28920073. In scientific notation, it is written as 2.8920072 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 9620160 positive integers (up to 28920072) that are relatively prime to 28920072.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred twenty thousand seventy-two

Notation

Scientific notation 2.8920072 × 10^7
Engineering notation 2.8920072 × 10^6

Prime Factorization of 28920072

Prime Factorization 2 × 2 × 2 × 3 × 661 × 1823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7230018
Product of the distinct prime numbers

The prime factorization of 28920072 is 2 × 2 × 2 × 3 × 661 × 1823. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28920072)

Multiplication

n×y
n×2 57840144
n×3 86760216
n×4 115680288
n×5 144600360

Division

n÷y
n÷2 14460036
n÷3 9640024
n÷3 7230018
n÷5 5784014.4

Exponentiation

ny
n2 836370564485184
n3 2.4187896943592E+22
n4 6.9951572113727E+29
n5 2.0230045020422E+37

Nth Root

y√n
2√n 5377.7385581674
3√n 306.94916522583
4√n 73.333065926411
5√n 31.062748038743

Divisors of 28920072

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 -28920071
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 28920072 can be divided by 32 positive divisors. The sum of these divisors (counting 28920072) is 1, the average is 0.03125.

Base conversion 28920072

Base System Value
2 Binary 1101110010100100100001000
3 Ternary 2000102021212210
4 Quaternary 1232110210020
5 Quinary 24400420242
6 Senary 2511505120
8 Octal 156244410
10 Decimal 28920072
12 Duodecimal 98281a0
16 Hexadecimal 1b94908
20 Vigesimal 90f03c
36 Base36 h7uvc

Cryptographic Hash Functions

md5 90a6e3c610656e4850592f6d5710f415
sha1 174bd9fd27aa03a20a7c21ddd2dce2e1e6d025d0
sha256 08aab31b3ac90a49bcca6b9b92b907b38c0ef8e0b21afff24f6825aafee17959
sha512 1fd96da7a1c3dcbfe0d674fa86e5b42756fac5c6f7a722ab79b42705b532b36f90b26323fb31ff6351b2ac900768c19ec87031b6de7d5a673517c727702862c6
ripemd-160 cbdc561012e17920ce94342289cdc4bea92d0ffd

28920072 as geometric shapes

Circle

Radius = n
Diameter 57840144
Circumference 181710171.47298
Area 2.6275356210654E+15

Sphere

Radius = n
Volume 1.013180257917E+23
Surface area 1.0510142484262E+16
Circumference 181710171.47298

Square

Length = n
Perimeter 115680288
Area 836370564485184
Diagonal 40899158.047206

Cube

Length = n
Surface area 5018223386911104
Volume 2.4187896943592E+22
Space diagonal 50091034.06255

Equilateral Triangle

Length = n
Perimeter 86760216
Area 3.6215907791085E+14
Altitude 25045517.031275

Triangular Pyramid

Length = n
Surface area 3.6215907791085E+14
Volume 2.8505709919092E+21
Height 13633052.682402