28207904 (number)

28207904 is an even 8-digits composite number following 28207903 and preceding 28207905. In scientific notation, it is written as 2.8207904 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 24 positive divisors. There are 14049280 positive integers (up to 28207904) that are relatively prime to 28207904.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred seven thousand nine hundred four

Notation

Scientific notation 2.8207904 × 10^7
Engineering notation 2.8207904 × 10^6

Prime Factorization of 28207904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 281 × 3137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1762994
Product of the distinct prime numbers

The prime factorization of 28207904 is 2 × 2 × 2 × 2 × 2 × 281 × 3137. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 2, 89, 57, 909, 315, 2313, 8732, 87508, 5257, 38402, 245478, 7517277, 9828586, 80269544, 20130914, 801502673, 67290541, 3412167778, 1027074449

Basic calculations (n = 28207904)

Multiplication

n×y
n×2 56415808
n×3 84623712
n×4 112831616
n×5 141039520

Division

n÷y
n÷2 14103952
n÷3 9402634.6666667
n÷3 7051976
n÷5 5641580.8

Exponentiation

ny
n2 795685848073216
n3 2.2444630016608E+22
n4 6.3311596882399E+29
n5 1.7858874469454E+37

Nth Root

y√n
2√n 5311.1113714551
3√n 304.40861488152
4√n 72.877372149764
5√n 30.908231996118

Divisors of 28207904

1, 2, 4, 8, 16, 32, 281, 562, 1124, 2248, 3137, 4496, 6274, 8992, 12548, 25096, 50192, 100384, 881497, 1762994, 3525988, 7051976, 14103952, 28207904

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28207903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28207904 can be divided by 24 positive divisors. The sum of these divisors (counting 28207904) is 1, the average is 0.041666666666667.

Base conversion 28207904

Base System Value
2 Binary 1101011100110101100100000
3 Ternary 1222002002222012
4 Quaternary 1223212230200
5 Quinary 24210123104
6 Senary 2444332052
8 Octal 153465440
10 Decimal 28207904
12 Duodecimal 9544028
16 Hexadecimal 1ae6b20
20 Vigesimal 8g5jf4
36 Base36 gslcw

Cryptographic Hash Functions

md5 60117b160609a6b6589a56f93a01c743
sha1 27dec11c1c41da03ce4aee6c6b1f0a088c860c89
sha256 ef6e37238317dec17169ab0f1010e6ffcce62b1661a32dccf635f61887654607
sha512 5e63ee82ef69e80957ae7933ae58e8d4c5c760c6e2e909133034c10d7656b94b5424db537eff168e2b32b5e2fd2d690209174d5ac9da4956690fe10b94ef5c3e
ripemd-160 a55b870e035e5b6337aa5bebc46b59b5fd579674

28207904 as geometric shapes

Circle

Radius = n
Diameter 56415808
Circumference 177235487.95913
Area 2.4997208148722E+15

Sphere

Radius = n
Volume 9.4015846363622E+22
Surface area 9.9988832594887E+15
Circumference 177235487.95913

Square

Length = n
Perimeter 112831616
Area 795685848073216
Diagonal 39892000.402918

Cube

Length = n
Surface area 4774115088439296
Volume 2.2444630016608E+22
Space diagonal 48857522.903025

Equilateral Triangle

Length = n
Perimeter 84623712
Area 3.4454207893159E+14
Altitude 24428761.451513

Triangular Pyramid

Length = n
Surface area 3.4454207893159E+14
Volume 2.6451250143278E+21
Height 13297333.467639