87218081 (number)

87218081 is an odd 8-digits composite number following 87218080 and preceding 87218082. In scientific notation, it is written as 8.7218081 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 87196692 positive integers (up to 87218081) that are relatively prime to 87218081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7218081 × 10^7
Engineering notation 8.7218081 × 10^6

Prime Factorization of 87218081

Prime Factorization 15907 × 5483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87218081
Product of the distinct prime numbers

The prime factorization of 87218081 is 15907 × 5483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87218081)

Multiplication

n×y
n×2 174436162
n×3 261654243
n×4 348872324
n×5 436090405

Division

n÷y
n÷2 43609040.5
n÷3 29072693.666667
n÷3 21804520.25
n÷5 17443616.2

Exponentiation

ny
n2 7606993653322561
n3 6.6346738862197E+23
n4 5.786635244169E+31
n5 5.0469922144338E+39

Nth Root

y√n
2√n 9339.0621049439
3√n 443.4746935851
4√n 96.63882296957
5√n 38.736582728035

Divisors of 87218081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87218080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87218081 can be divided by 4 positive divisors. The sum of these divisors (counting 87218081) is 1, the average is 0.25.

Base conversion 87218081

Base System Value
2 Binary 101001100101101011110100001
3 Ternary 20002010010201022
4 Quaternary 11030231132201
5 Quinary 134311434311
6 Senary 12353215225
8 Octal 514553641
10 Decimal 87218081
12 Duodecimal 25261515
16 Hexadecimal 532d7a1
20 Vigesimal 1752541
36 Base36 1fxdwh

Cryptographic Hash Functions

md5 f23181d2bb3577b743a5548c738a6afc
sha1 b9020ad4fff9225c24aefcebe6002c9aaf9e2a11
sha256 5538ebc40bc57b1f1ee735b0bc43d4e84db1304a518eaa5ad10f883714ec42a7
sha512 45244a1994e4c9ac84a840d3db0203202148b1433c87728d88f17fd8981cda6eb0e825e318ff508f8708d38303edcb69e057e9dadcfb9c83615da247a242e63f
ripemd-160 f6f9c1ff9642c553b5be8ee5ce3092a0bda4f213

87218081 as geometric shapes

Circle

Radius = n
Diameter 174436162
Circumference 548007365.0596
Area 2.3898075377182E+16

Sphere

Radius = n
Volume 2.7791256986549E+24
Surface area 9.5592301508729E+16
Circumference 548007365.0596

Square

Length = n
Perimeter 348872324
Area 7606993653322561
Diagonal 123344993.03436

Cube

Length = n
Surface area 45641961919935366
Volume 6.6346738862197E+23
Space diagonal 151066147.63066

Equilateral Triangle

Length = n
Perimeter 261654243
Area 3.2939248751022E+15
Altitude 75533073.815329

Triangular Pyramid

Length = n
Surface area 3.2939248751022E+15
Volume 7.8190381598455E+22
Height 41114997.678118