87081291 (number)

87081291 is an odd 8-digits composite number following 87081290 and preceding 87081292. In scientific notation, it is written as 8.7081291 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 52236000 positive integers (up to 87081291) that are relatively prime to 87081291.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081291 × 10^7
Engineering notation 8.7081291 × 10^6

Prime Factorization of 87081291

Prime Factorization 3 × 9 × 11 × 101 × 2903

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 87081291
Product of the distinct prime numbers

The prime factorization of 87081291 is 3 × 9 × 11 × 101 × 2903. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 7, 25, 24, 400, 744, 3182, 3144, 64386, 40729, 909018, 491322, 8763324, 4375101, 27246569, 47812798, 337441165, 976892725, 6117049218, 6161141820

Basic calculations (n = 87081291)

Multiplication

n×y
n×2 174162582
n×3 261243873
n×4 348325164
n×5 435406455

Division

n÷y
n÷2 43540645.5
n÷3 29027097
n÷3 21770322.75
n÷5 17416258.2

Exponentiation

ny
n2 7583151242226681
n3 6.6035060002135E+23
n4 5.7504182762484E+31
n5 5.0075384728571E+39

Nth Root

y√n
2√n 9331.7356906419
3√n 443.24272851468
4√n 96.600909367572
5√n 38.724424459029

Divisors of 87081291

1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 909, 1111, 2727, 2903, 3333, 8709, 9999, 26127, 29997, 31933, 78381, 95799, 287397, 293203, 862191, 879609, 2638827, 3225233, 7916481, 9675699, 29027097, 87081291

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081290
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081291 can be divided by 32 positive divisors. The sum of these divisors (counting 87081291) is 1, the average is 0.03125.

Base conversion 87081291

Base System Value
2 Binary 101001100001100000101001011
3 Ternary 20001212012002000
4 Quaternary 11030030011023
5 Quinary 134243100131
6 Senary 12350242043
8 Octal 514140513
10 Decimal 87081291
12 Duodecimal 251b6323
16 Hexadecimal 530c14b
20 Vigesimal 174534b
36 Base36 1fugcr

Cryptographic Hash Functions

md5 50856eadd340ca489c7c6f69d3d9cb70
sha1 e13c207f5fd6c19873746c21cc452239a67d5a67
sha256 52c64ebf066f5a87bbef173289d7272f0c37014353b1f52c57246804bfec1328
sha512 9a0af5fafd82973886ee799d57b7e94c5b3215d4b5c6012aa878a4990cb46dad382f8d14fa2527a2f4d63bdf60dddeff74523646080110fdb59203b6afeb3400
ripemd-160 7dca91799233b18647e5a4e8c20e63ed67659584

87081291 as geometric shapes

Circle

Radius = n
Diameter 174162582
Circumference 547147888.14143
Area 2.382317223364E+16

Sphere

Radius = n
Volume 2.7660701250943E+24
Surface area 9.5292688934559E+16
Circumference 547147888.14143

Square

Length = n
Perimeter 348325164
Area 7583151242226681
Diagonal 123151542.76116

Cube

Length = n
Surface area 45498907453360086
Volume 6.6035060002135E+23
Space diagonal 150829220.40069

Equilateral Triangle

Length = n
Perimeter 261243873
Area 3.2836008082539E+15
Altitude 75414610.200345

Triangular Pyramid

Length = n
Surface area 3.2836008082539E+15
Volume 7.7823064539284E+22
Height 41050514.253719