Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28707987 (number)

28707987 is an odd 8-digits composite number following 28707986 and preceding 28707988. In scientific notation, it is written as 2.8707987 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 14913120 positive integers (up to 28707987) that are relatively prime to 28707987.

Interesting facts

28707987 has 8 divisors, whose sum is 38774736
The reverse of 28707987 is 78970782
Previous prime number is 77

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

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

Notation

Scientific notation	2.8707987 × 10^7
Engineering notation	2.8707987 × 10^6

Prime Factorization of 28707987

Prime Factorization 3 × 77 × 124277

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28707987	Product of the distinct prime numbers

The prime factorization of 28707987 is 3 × 77 × 124277. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 32, 37, 234, 177, 7380, 2370, 93760, 58709, 777166, 387598, 8746291, 4040156, 18383173, 50548224, 941416351, 142078156, 5717292686, 1927180515

Basic calculations (n = 28707987)

Multiplication

n×y

n×2	57415974
n×3	86123961
n×4	114831948
n×5	143539935

Division

n÷y

n÷2	14353993.5
n÷3	9569329
n÷3	7176996.75
n÷5	5741597.4

Exponentiation

n^y

n²	824148517592169
n³	2.3659644929105E+22
n⁴	6.7922077904937E+29
n⁵	1.9499061295079E+37

Nth Root

^y√n

²√n	5357.9834826173
³√n	306.19698751979
⁴√n	73.198247811114
⁵√n	31.01705414539

Divisors of 28707987

1, 3, 77, 231, 124277, 372831, 9569329, 28707987

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	-28707986	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 28707987 can be divided by 8 positive divisors. The sum of these divisors (counting 28707987) is 1, the average is 0.125.

Base conversion 28707987

Base	System	Value
2	Binary	1101101100000110010010011
3	Ternary	2000000111221210
4	Quaternary	1231200302103
5	Quinary	24322123422
6	Senary	2503151203
8	Octal	155406223
10	Decimal	28707987
12	Duodecimal	9745503
16	Hexadecimal	1b60c93
20	Vigesimal	8j89j7
36	Base36	h3b83

Cryptographic Hash Functions

md5	7bf6b6f49bfaa9650ea162dc656ea3b8
sha1	449427a4e84b1643798578cb2316c37a4853e70a
sha256	0f96b9da34230885c875ff23307e0213451d498929b2e3960484f10d010432b9
sha512	9cd25a99a48cffcf558ef3b64659cd45fbc7817cfa9d9066e787074f94b751da628413cb10a7fb4cd4e449cd34c90b6f4a8a8e6c2505a82593f7dbb921387e2f
ripemd-160	48c92a2ed17d1c3412e1aa0649f71f9a1c32e4be

28707987 as geometric shapes

Circle

Radius = n

Diameter	57415974
Circumference	180377602.1171
Area	2.5891389283345E+15

Sphere

Radius = n

Volume	9.910528892776E+22
Surface area	1.0356555713338E+16
Circumference	180377602.1171

Square

Length = n

Perimeter	114831948
Area	824148517592169
Diagonal	40599224.563831

Cube

Length = n

Surface area	4944891105553014
Volume	2.3659644929105E+22
Space diagonal	49723692.067027

Equilateral Triangle

Length = n

Perimeter	86123961
Area	3.5686677636305E+14
Altitude	24861846.033513

Triangular Pyramid

Length = n

Surface area	3.5686677636305E+14
Volume	2.7883158949727E+21
Height	13533074.85461