28883987 (number)

28883987 is an odd 8-digits composite number following 28883986 and preceding 28883988. In scientific notation, it is written as 2.8883987 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 26258160 positive integers (up to 28883987) that are relatively prime to 28883987.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred eighty-three thousand nine hundred eighty-seven

Notation

Scientific notation 2.8883987 × 10^7
Engineering notation 2.8883987 × 10^6

Prime Factorization of 28883987

Prime Factorization 11 × 2625817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28883987
Product of the distinct prime numbers

The prime factorization of 28883987 is 11 × 2625817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 73, 18, 755, 968, 5804, 9685, 50575, 66841, 945400, 193478, 6984543, 7009644, 44012573, 73133496, 616638482, 444758497, 6448008538, 9464154295

Basic calculations (n = 28883987)

Multiplication

n×y
n×2 57767974
n×3 86651961
n×4 115535948
n×5 144419935

Division

n÷y
n÷2 14441993.5
n÷3 9627995.6666667
n÷3 7220996.75
n÷5 5776797.4

Exponentiation

ny
n2 834284705016169
n3 2.4097468573986E+22
n4 6.9603096902392E+29
n5 2.0104149460884E+37

Nth Root

y√n
2√n 5374.3824761548
3√n 306.82144688748
4√n 73.310179894438
5√n 31.054992462459

Divisors of 28883987

1, 11, 2625817, 28883987

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 -28883986
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 28883987 can be divided by 4 positive divisors. The sum of these divisors (counting 28883987) is 1, the average is 0.25.

Base conversion 28883987

Base System Value
2 Binary 1101110001011110000010011
3 Ternary 2000100110101022
4 Quaternary 1232023300103
5 Quinary 24343241422
6 Senary 2511030055
8 Octal 156136023
10 Decimal 28883987
12 Duodecimal 980b32b
16 Hexadecimal 1b8bc13
20 Vigesimal 90a9j7
36 Base36 h730z

Cryptographic Hash Functions

md5 3bda3000a92e58b4fdbeb5ea6e5c9540
sha1 f08cba0e65ab36b19d8003be7e1c6d0bd09cf3a5
sha256 960fe5bc717fc22221f02b0059ec5cf55ce81c4e6e4c2b4c1e4ee190141a6d35
sha512 bbf4a610881adacd5ca9de9e8e18afc80987b612c42181e85947626a251b30d13c5ef43aa26459b3125564ee2decc44aa1c8f8f87c6e86f20bebddb207c9185a
ripemd-160 59e7d1eb1082755cee67e1a32fa1565306ff3443

28883987 as geometric shapes

Circle

Radius = n
Diameter 57767974
Circumference 181483442.73117
Area 2.6209827002811E+15

Sphere

Radius = n
Volume 1.0093924032286E+23
Surface area 1.0483930801124E+16
Circumference 181483442.73117

Square

Length = n
Perimeter 115535948
Area 834284705016169
Diagonal 40848126.150808

Cube

Length = n
Surface area 5005708230097014
Volume 2.4097468573986E+22
Space diagonal 50028533.009159

Equilateral Triangle

Length = n
Perimeter 86651961
Area 3.612558742664E+14
Altitude 25014266.504579

Triangular Pyramid

Length = n
Surface area 3.612558742664E+14
Volume 2.8399139063492E+21
Height 13616042.050269