87291291 (number)

87291291 is an odd 8-digits composite number following 87291290 and preceding 87291292. In scientific notation, it is written as 8.7291291 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 57393504 positive integers (up to 87291291) that are relatively prime to 87291291.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7291291 × 10^7
Engineering notation 8.7291291 × 10^6

Prime Factorization of 87291291

Prime Factorization 3 × 127 × 197 × 1163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87291291
Product of the distinct prime numbers

The prime factorization of 87291291 is 3 × 127 × 197 × 1163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87291291)

Multiplication

n×y
n×2 174582582
n×3 261873873
n×4 349165164
n×5 436456455

Division

n÷y
n÷2 43645645.5
n÷3 29097097
n÷3 21822822.75
n÷5 17458258.2

Exponentiation

ny
n2 7619769484446681
n3 6.6513951541976E+23
n4 5.8060886996105E+31
n5 5.0682097824951E+39

Nth Root

y√n
2√n 9342.9808412519
3√n 443.59874164976
4√n 96.65909600887
5√n 38.743083567072

Divisors of 87291291

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87291290
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87291291 can be divided by 16 positive divisors. The sum of these divisors (counting 87291291) is 1, the average is 0.0625.

Base conversion 87291291

Base System Value
2 Binary 101001100111111010110011011
3 Ternary 20002020212010210
4 Quaternary 11030333112123
5 Quinary 134321310131
6 Senary 12354542203
8 Octal 514772633
10 Decimal 87291291
12 Duodecimal 25297963
16 Hexadecimal 533f59b
20 Vigesimal 175b84b
36 Base36 1fyye3

Cryptographic Hash Functions

md5 1054586f5e033e7f9830159d5e422f98
sha1 936b42e9f292cc4f0cc8283d7616d17e97f9f189
sha256 c1e1aa8aab98904423f0c1bd41134766103b52dd9c69eab923c4a60aef076e50
sha512 5dd7c73e0c0adc0156723ce90615cba520d7ea57025ef8a241f7a756f5f8d2f79a8b5b33759eb6ed7d614652c61b42f003e97138b56bf235fd959181f5032a66
ripemd-160 5184ead4142712de52812fdf9f514d20a29a0446

87291291 as geometric shapes

Circle

Radius = n
Diameter 174582582
Circumference 548467357.05594
Area 2.3938211834385E+16

Sphere

Radius = n
Volume 2.7861298870066E+24
Surface area 9.5752847337542E+16
Circumference 548467357.05594

Square

Length = n
Perimeter 349165164
Area 7619769484446681
Diagonal 123448527.60926

Cube

Length = n
Surface area 45718616906680086
Volume 6.6513951541976E+23
Space diagonal 151192951.07028

Equilateral Triangle

Length = n
Perimeter 261873873
Area 3.2994569722561E+15
Altitude 75596475.53514

Triangular Pyramid

Length = n
Surface area 3.2994569722561E+15
Volume 7.8387443631407E+22
Height 41149509.203086