87081930 (number)

87081930 is an even 8-digits composite number following 87081929 and preceding 87081931. In scientific notation, it is written as 8.7081930 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 21278592 positive integers (up to 87081930) that are relatively prime to 87081930.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand nine hundred thirty

Notation

Scientific notation 8.7081930 × 10^7
Engineering notation 8.7081930 × 10^6

Prime Factorization of 87081930

Prime Factorization 2 × 45 × 13 × 263 × 283

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 87081930
Product of the distinct prime numbers

The prime factorization of 87081930 is 2 × 45 × 13 × 263 × 283. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081930)

Multiplication

n×y
n×2 174163860
n×3 261245790
n×4 348327720
n×5 435409650

Division

n÷y
n÷2 43540965
n÷3 29027310
n÷3 21770482.5
n÷5 17416386

Exponentiation

ny
n2 7583262532524900
n3 6.6036513702896E+23
n4 5.7505870637196E+31
n5 5.0077222014174E+39

Nth Root

y√n
2√n 9331.7699285827
3√n 443.24381267948
4√n 96.601086580756
5√n 38.724481290604

Divisors of 87081930

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 -87081929
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 87081930 can be divided by 32 positive divisors. The sum of these divisors (counting 87081930) is 1, the average is 0.03125.

Base conversion 87081930

Base System Value
2 Binary 101001100001100001111001010
3 Ternary 20001212012221200
4 Quaternary 11030030033022
5 Quinary 134243110210
6 Senary 12350245030
8 Octal 514141712
10 Decimal 87081930
12 Duodecimal 251b6776
16 Hexadecimal 530c3ca
20 Vigesimal 17454ga
36 Base36 1fugui

Cryptographic Hash Functions

md5 0b84e039bfe61b04c7837936958cafec
sha1 3831c32f757e62d8c84c2bd2dfa4d0721ea72bce
sha256 fb90086c0cddd0477095c79be38bfed0dc972c994a3eeb65c2d5c2b2865844ae
sha512 1012f1141ed501c58e18cf3574837d8a9f86ef3dba5b4085f26e7bda1e6303397379742d05ece973950ff6a84712d8f9b483e59a2f8dd2520ed199566ef9b25c
ripemd-160 873b103cc76f76845d82ee24a8e5b72cd3762f18

87081930 as geometric shapes

Circle

Radius = n
Diameter 174163860
Circumference 547151903.09684
Area 2.3823521862423E+16

Sphere

Radius = n
Volume 2.7661310175693E+24
Surface area 9.5294087449692E+16
Circumference 547151903.09684

Square

Length = n
Perimeter 348327720
Area 7583262532524900
Diagonal 123152446.44362

Cube

Length = n
Surface area 45499575195149400
Volume 6.6036513702896E+23
Space diagonal 150830327.18116

Equilateral Triangle

Length = n
Perimeter 261245790
Area 3.2836489983666E+15
Altitude 75415163.590578

Triangular Pyramid

Length = n
Surface area 3.2836489983666E+15
Volume 7.782477774206E+22
Height 41050815.481208