28001806 (number)

28001806 is an even 8-digits composite number following 28001805 and preceding 28001807. In scientific notation, it is written as 2.8001806 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 11803680 positive integers (up to 28001806) that are relatively prime to 28001806.

Interesting facts

Basic properties

Name

Name twenty-eight million one thousand eight hundred six

Notation

Scientific notation 2.8001806 × 10^7
Engineering notation 2.8001806 × 10^6

Prime Factorization of 28001806

Prime Factorization 2 × 7 × 61 × 32789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28001806
Product of the distinct prime numbers

The prime factorization of 28001806 is 2 × 7 × 61 × 32789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28001806)

Multiplication

n×y
n×2 56003612
n×3 84005418
n×4 112007224
n×5 140009030

Division

n÷y
n÷2 14000903
n÷3 9333935.3333333
n÷3 7000451.5
n÷5 5600361.2

Exponentiation

ny
n2 784101139261636
n3 2.1956247985983E+22
n4 6.148145965914E+29
n5 1.7215919059721E+37

Nth Root

y√n
2√n 5291.6732703371
3√n 303.66542571349
4√n 72.743888199196
5√n 30.862933884759

Divisors of 28001806

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28001805
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28001806 can be divided by 16 positive divisors. The sum of these divisors (counting 28001806) is 1, the average is 0.0625.

Base conversion 28001806

Base System Value
2 Binary 1101010110100011000001110
3 Ternary 1221200122020221
4 Quaternary 1222310120032
5 Quinary 24132024211
6 Senary 2440101554
8 Octal 152643016
10 Decimal 28001806
12 Duodecimal 94648ba
16 Hexadecimal 1ab460e
20 Vigesimal 8f04a6
36 Base36 go6by

Cryptographic Hash Functions

md5 576fde66a829d4999cd8cf0e51350e2b
sha1 addaf850f3f27ff59437cb0d26873a8f598c571f
sha256 83612562cf3cf7d97814c4a4567e029d90dc623b38978f8bcba5ccfec14a1d78
sha512 abb027486ca543ac33335ba02b08d9eba9292b39c5c4df4f15f8d1ddc40034599356f3b9bd4d3d021f44a043884f538141df3d413241aba7bfc41ad8dfb8d640
ripemd-160 7dc9b50ad93224f6fa5a7391cd10c0e50a27131a

28001806 as geometric shapes

Circle

Radius = n
Diameter 56003612
Circumference 175940536.03369
Area 2.4633263787757E+15

Sphere

Radius = n
Volume 9.1970116497548E+22
Surface area 9.853305515103E+15
Circumference 175940536.03369

Square

Length = n
Perimeter 112007224
Area 784101139261636
Diagonal 39600533.81614

Cube

Length = n
Surface area 4704606835569816
Volume 2.1956247985983E+22
Space diagonal 48500550.695687

Equilateral Triangle

Length = n
Perimeter 84005418
Area 3.3952575286845E+14
Altitude 24250275.347844

Triangular Pyramid

Length = n
Surface area 3.3952575286845E+14
Volume 2.5875686400504E+21
Height 13200177.938713