87081387 (number)

87081387 is an odd 8-digits composite number following 87081386 and preceding 87081388. In scientific notation, it is written as 8.7081387 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 54660960 positive integers (up to 87081387) that are relatively prime to 87081387.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand three hundred eighty-seven

Notation

Scientific notation 8.7081387 × 10^7
Engineering notation 8.7081387 × 10^6

Prime Factorization of 87081387

Prime Factorization 3 × 1147 × 25307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87081387
Product of the distinct prime numbers

The prime factorization of 87081387 is 3 × 1147 × 25307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081387)

Multiplication

n×y
n×2 174162774
n×3 261244161
n×4 348325548
n×5 435406935

Division

n÷y
n÷2 43540693.5
n÷3 29027129
n÷3 21770346.75
n÷5 17416277.4

Exponentiation

ny
n2 7583167961843769
n3 6.6035278397132E+23
n4 5.7504436337534E+31
n5 5.0075660749256E+39

Nth Root

y√n
2√n 9331.7408343781
3√n 443.24289139423
4√n 96.600935991211
5√n 38.724432997127

Divisors of 87081387

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 -87081386
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 87081387 can be divided by 8 positive divisors. The sum of these divisors (counting 87081387) is 1, the average is 0.125.

Base conversion 87081387

Base System Value
2 Binary 101001100001100000110101011
3 Ternary 20001212012012120
4 Quaternary 11030030012223
5 Quinary 134243101022
6 Senary 12350242323
8 Octal 514140653
10 Decimal 87081387
12 Duodecimal 251b63a3
16 Hexadecimal 530c1ab
20 Vigesimal 1745397
36 Base36 1fugff

Cryptographic Hash Functions

md5 2c7fc5f35ad0d9272ba2c05a897ae986
sha1 127c457c50a787299d65e12dfe29f498ed744dd6
sha256 317efa6dfc9a458d313097a6087b10242997e82cc12dbbc99767f43736d941e9
sha512 2b064400b6f7d0b69f4be815582deb2e058b8f0cbc2781c3d22fd7fac057b9288a459c42163825e5b64b891a042208a6720205c4e52acab1942ef84ad7241a6a
ripemd-160 ae8cbddd14ab7cd3436ef90b9eb7f2991e32e2d5

87081387 as geometric shapes

Circle

Radius = n
Diameter 174162774
Circumference 547148491.32722
Area 2.3823224759866E+16

Sphere

Radius = n
Volume 2.7660792732025E+24
Surface area 9.5292899039463E+16
Circumference 547148491.32722

Square

Length = n
Perimeter 348325548
Area 7583167961843769
Diagonal 123151678.52566

Cube

Length = n
Surface area 45499007771062614
Volume 6.6035278397132E+23
Space diagonal 150829386.67757

Equilateral Triangle

Length = n
Perimeter 261244161
Area 3.2836080480605E+15
Altitude 75414693.338784

Triangular Pyramid

Length = n
Surface area 3.2836080480605E+15
Volume 7.7823321920256E+22
Height 41050559.508553