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

87081644 (number)

87081644 is an even 8-digits composite number following 87081643 and preceding 87081645. In scientific notation, it is written as 8.7081644 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 18 positive divisors. There are 40191216 positive integers (up to 87081644) that are relatively prime to 87081644.

Interesting facts

87081644 has 18 divisors, whose sum is 165018420
The reverse of 87081644 is 44618078
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-seven million eighty-one thousand six hundred forty-four

Notation

Scientific notation	8.7081644 × 10^7
Engineering notation	8.7081644 × 10^6

Prime Factorization of 87081644

Prime Factorization 2 × 2 × 13 × 13 × 128819

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	3349294	Product of the distinct prime numbers

The prime factorization of 87081644 is 2 × 2 × 13 × 13 × 128819. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 3, 48, 100, 656, 986, 4615, 7903, 98785, 91571, 694943, 470493, 3927112, 9102645, 29977191, 61304031, 581524343, 840716401, 1401877734, 431100136

Basic calculations (n = 87081644)

Multiplication

n×y

n×2	174163288
n×3	261244932
n×4	348326576
n×5	435408220

Division

n÷y

n÷2	43540822
n÷3	29027214.666667
n÷3	21770411
n÷5	17416328.8

Exponentiation

n^y

n²	7583212721742736
n³	6.6035863061107E+23
n⁴	5.7505115183201E+31
n⁵	5.0076399685625E+39

Nth Root

^y√n

²√n	9331.7546045746
³√n	443.24332743579
⁴√n	96.601007264804
⁵√n	38.724455854291

Divisors of 87081644

1, 2, 4, 13, 26, 52, 169, 338, 676, 128819, 257638, 515276, 1674647, 3349294, 6698588, 21770411, 43540822, 87081644

18 divisors

τ	Total Divisors	18	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-87081643	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.055555555555556	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	18	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081644 can be divided by 18 positive divisors. The sum of these divisors (counting 87081644) is 1, the average is 0.055555555555556.

Base conversion 87081644

Base	System	Value
2	Binary	101001100001100001010101100
3	Ternary	20001212012120002
4	Quaternary	11030030022230
5	Quinary	134243103034
6	Senary	12350243432
8	Octal	514141254
10	Decimal	87081644
12	Duodecimal	251b6578
16	Hexadecimal	530c2ac
20	Vigesimal	1745424
36	Base36	1fugmk

Cryptographic Hash Functions

md5	eb0e2225ef6668b5ce02e387307380e4
sha1	069a96b3b1d0607556706ac2c5deb7287b938af1
sha256	b5c9143dfda43c2a631b30bbf299a1a5b42357e970d2e4dc6c83bc9663d71fc2
sha512	de29e8d3c00ba3f8a5908976f6c7414bbca4a4ed8d827756f7c0a162c73245cb47ed10c40576d809564c84d6e9b8ab7f06f7c81defe77759fd619fc91dc86527
ripemd-160	4a305fead8eb868985bdf4f03bd38d10860c038b

87081644 as geometric shapes

Circle

Radius = n

Diameter	174163288
Circumference	547150106.10584
Area	2.3823365377236E+16

Sphere

Radius = n

Volume	2.7661037635498E+24
Surface area	9.5293461508943E+16
Circumference	547150106.10584

Square

Length = n

Perimeter	348326576
Area	7583212721742736
Diagonal	123152041.97855

Cube

Length = n

Surface area	45499276330456416
Volume	6.6035863061107E+23
Space diagonal	150829831.81463

Equilateral Triangle

Length = n

Perimeter	261244932
Area	3.2836274296653E+15
Altitude	75414915.907313

Triangular Pyramid

Length = n

Surface area	3.2836274296653E+15
Volume	7.7824010953359E+22
Height	41050680.659515