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

87081982 (number)

87081982 is an even 8-digits composite number following 87081981 and preceding 87081983. In scientific notation, it is written as 8.7081982 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 40191528 positive integers (up to 87081982) that are relatively prime to 87081982.

Interesting facts

87081982 has 12 divisors, whose sum is 141444360
The reverse of 87081982 is 28918078
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighty-seven million eighty-one thousand nine hundred eighty-two

Notation

Scientific notation	8.7081982 × 10^7
Engineering notation	8.7081982 × 10^6

Prime Factorization of 87081982

Prime Factorization 2 × 13 × 13 × 257639

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	6698614	Product of the distinct prime numbers

The prime factorization of 87081982 is 2 × 13 × 13 × 257639. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 83, 5, 222, 612, 5157, 1800, 26968, 20780, 397684, 549360, 187135, 3329194, 49315163, 45836342, 568565757, 911152854, 512430417, 5295016951

Basic calculations (n = 87081982)

Multiplication

n×y

n×2	174163964
n×3	261245946
n×4	348327928
n×5	435409910

Division

n÷y

n÷2	43540991
n÷3	29027327.333333
n÷3	21770495.5
n÷5	17416396.4

Exponentiation

n^y

n²	7583271589048324
n³	6.6036632001862E+23
n⁴	5.7506007993267E+31
n⁵	5.0077371529616E+39

Nth Root

^y√n

²√n	9331.7727147633
³√n	443.24390090549
⁴√n	96.601101001817
⁵√n	38.724485915381

Divisors of 87081982

1, 2, 13, 26, 169, 338, 257639, 515278, 3349307, 6698614, 43540991, 87081982

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-87081981	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081982 can be divided by 12 positive divisors. The sum of these divisors (counting 87081982) is 1, the average is 0.083333333333333.

Base conversion 87081982

Base	System	Value
2	Binary	101001100001100001111111110
3	Ternary	20001212020000121
4	Quaternary	11030030033332
5	Quinary	134243110412
6	Senary	12350245154
8	Octal	514141776
10	Decimal	87081982
12	Duodecimal	251b67ba
16	Hexadecimal	530c3fe
20	Vigesimal	17454j2
36	Base36	1fugvy

Cryptographic Hash Functions

md5	b6ea1fd44cf52ac59c7b5f45bf59667e
sha1	8015b6e2860b670f9e46edf7661bffcf6ffd05e4
sha256	a81afa39c4120c8bbee6f5f0c8fa02ec800d6d2b42a343b08fd7c9e7790b69e0
sha512	6c6967a913d9b2d4210907833cf19401611dad34653afc216daa8abd3dbaa3bc337745ae6598b6568bd10436d53b8acdbb9b371071a46de15b2ab68d731d7580
ripemd-160	0c463a27f18610da0412e4a418d70c31e1af46b9

87081982 as geometric shapes

Circle

Radius = n

Diameter	174163964
Circumference	547152229.82248
Area	2.382355031433E+16

Sphere

Radius = n

Volume	2.7661359728648E+24
Surface area	9.5294201257322E+16
Circumference	547152229.82248

Square

Length = n

Perimeter	348327928
Area	7583271589048324
Diagonal	123152519.98273

Cube

Length = n

Surface area	45499629534289944
Volume	6.6036632001862E+23
Space diagonal	150830417.2478

Equilateral Triangle

Length = n

Perimeter	261245946
Area	3.2836529199563E+15
Altitude	75415208.623899

Triangular Pyramid

Length = n

Surface area	3.2836529199563E+15
Volume	7.7824917158728E+22
Height	41050839.994243