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

28017987 (number)

28017987 is an odd 8-digits composite number following 28017986 and preceding 28017988. In scientific notation, it is written as 2.8017987 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 18653352 positive integers (up to 28017987) that are relatively prime to 28017987.

Interesting facts

28017987 has 8 divisors, whose sum is 37407936
The reverse of 28017987 is 78971082
Previous prime number is 787

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.8017987 × 10^7
Engineering notation	2.8017987 × 10^6

Prime Factorization of 28017987

Prime Factorization 3 × 787 × 11867

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28017987	Product of the distinct prime numbers

The prime factorization of 28017987 is 3 × 787 × 11867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 16, 99, 912, 632, 1456, 3655, 83697, 6954, 909748, 879094, 7540900, 2780350, 90881869, 20707229, 538163964, 349341661, 6121228205, 8203982382

Basic calculations (n = 28017987)

Multiplication

n×y

n×2	56035974
n×3	84053961
n×4	112071948
n×5	140089935

Division

n÷y

n÷2	14008993.5
n÷3	9339329
n÷3	7004496.75
n÷5	5603597.4

Exponentiation

n^y

n²	785007595532169
n³	2.1994332606522E+22
n⁴	6.162369250432E+29
n⁵	1.726571815478E+37

Nth Root

^y√n

²√n	5293.2019610062
³√n	303.723906038
⁴√n	72.754394788261
⁵√n	30.866499924338

Divisors of 28017987

1, 3, 787, 2361, 11867, 35601, 9339329, 28017987

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	-28017986	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 28017987 can be divided by 8 positive divisors. The sum of these divisors (counting 28017987) is 1, the average is 0.125.

Base conversion 28017987

Base	System	Value
2	Binary	1101010111000010101000011
3	Ternary	1221201110110020
4	Quaternary	1222320111003
5	Quinary	24133033422
6	Senary	2440304523
8	Octal	152702503
10	Decimal	28017987
12	Duodecimal	9472143
16	Hexadecimal	1ab8543
20	Vigesimal	8f24j7
36	Base36	goitf

Cryptographic Hash Functions

md5	3bb47870f8cc72442d2b8eac7795b80f
sha1	a02280ed82a35e38b576b35215777bb3cc8dd97a
sha256	7fb6eb22037a488747abde22ec1e5269f8a90a86be30042bd26f77a1291e6311
sha512	71c38da8d632d56203e18a83c42b3644a8c1d9b13345d0996d6f927a59cab8b9500bb75948e90a582a85229f16ade8629504e6d21847b9f5957d6647c5813de1
ripemd-160	2f5d9ddded7d4adbce4ecf6bc6eede5e9777a12a

28017987 as geometric shapes

Circle

Radius = n

Diameter	56035974
Circumference	176042204.25515
Area	2.466174095136E+15

Sphere

Radius = n

Volume	9.2129644983011E+22
Surface area	9.8646963805442E+15
Circumference	176042204.25515

Square

Length = n

Perimeter	112071948
Area	785007595532169
Diagonal	39623417.205793

Cube

Length = n

Surface area	4710045573193014
Volume	2.1994332606522E+22
Space diagonal	48528577.009804

Equilateral Triangle

Length = n

Perimeter	84053961
Area	3.399182599473E+14
Altitude	24264288.504902

Triangular Pyramid

Length = n

Surface area	3.399182599473E+14
Volume	2.592056955624E+21
Height	13207805.735264