87291287 (number)

87291287 is an odd 8-digits composite number following 87291286 and preceding 87291288. In scientific notation, it is written as 8.7291287 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 85853664 positive integers (up to 87291287) that are relatively prime to 87291287.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7291287 × 10^7
Engineering notation 8.7291287 × 10^6

Prime Factorization of 87291287

Prime Factorization 79 × 277 × 3989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87291287
Product of the distinct prime numbers

The prime factorization of 87291287 is 79 × 277 × 3989. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87291287)

Multiplication

n×y
n×2 174582574
n×3 261873861
n×4 349165148
n×5 436456435

Division

n÷y
n÷2 43645643.5
n÷3 29097095.666667
n÷3 21822821.75
n÷5 17458257.4

Exponentiation

ny
n2 7619768786116369
n3 6.6513942398253E+23
n4 5.8060876353873E+31
n5 5.0682086212775E+39

Nth Root

y√n
2√n 9342.9806271874
3√n 443.59873487399
4√n 96.659094901553
5√n 38.743083212002

Divisors of 87291287

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 -87291286
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 87291287 can be divided by 8 positive divisors. The sum of these divisors (counting 87291287) is 1, the average is 0.125.

Base conversion 87291287

Base System Value
2 Binary 101001100111111010110010111
3 Ternary 20002020212010122
4 Quaternary 11030333112113
5 Quinary 134321310122
6 Senary 12354542155
8 Octal 514772627
10 Decimal 87291287
12 Duodecimal 2529795b
16 Hexadecimal 533f597
20 Vigesimal 175b847
36 Base36 1fyydz

Cryptographic Hash Functions

md5 a70409b2c3a627408696151bbdca3217
sha1 40a61de86ab12a2884e7fa42973ccb8f67c00a93
sha256 ced0bf59020ad6cfa701d27d41a99ad15b95d8a78ba7dda99117795e03f0da38
sha512 c7414cd795e545f77069fcbaa0f2d462d232fd5045f4ccfd20a122e1f58111cfef99e8188880084d5c96b5f9163ed94d37d02e17b23da879bec67a8dbab6f1d7
ripemd-160 fa66ef6f3325af12b671395954ef178562c05974

87291287 as geometric shapes

Circle

Radius = n
Diameter 174582574
Circumference 548467331.9232
Area 2.3938209640516E+16

Sphere

Radius = n
Volume 2.7861295039953E+24
Surface area 9.5752838562064E+16
Circumference 548467331.9232

Square

Length = n
Perimeter 349165148
Area 7619768786116369
Diagonal 123448521.9524

Cube

Length = n
Surface area 45718612716698214
Volume 6.6513942398253E+23
Space diagonal 151192944.14208

Equilateral Triangle

Length = n
Perimeter 261873861
Area 3.2994566698702E+15
Altitude 75596472.071038

Triangular Pyramid

Length = n
Surface area 3.2994566698702E+15
Volume 7.8387432855426E+22
Height 41149507.317467