987394081 (number)

987394081 is an odd 9-digits composite number following 987394080 and preceding 987394082. In scientific notation, it is written as 9.87394081 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 968763952 positive integers (up to 987394081) that are relatively prime to 987394081.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million three hundred ninety-four thousand eighty-one

Notation

Scientific notation 9.87394081 × 10^8
Engineering notation 9.87394081 × 10^6

Prime Factorization of 987394081

Prime Factorization 53 × 18630077

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 987394081
Product of the distinct prime numbers

The prime factorization of 987394081 is 53 × 18630077. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 987394081)

Multiplication

n×y
n×2 1974788162
n×3 2962182243
n×4 3949576324
n×5 4936970405

Division

n÷y
n÷2 493697040.5
n÷3 329131360.33333
n÷3 246848520.25
n÷5 197478816.2

Exponentiation

ny
n2 974947071193834561
n3 9.6265696738508E+26
n4 9.5052179162944E+35
n5 9.3853959091642E+44

Nth Root

y√n
2√n 31422.827387108
3√n 995.78024571992
4√n 177.26485096349
5√n 62.935850264172

Divisors of 987394081

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 -987394080
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 987394081 can be divided by 4 positive divisors. The sum of these divisors (counting 987394081) is 1, the average is 0.25.

Base conversion 987394081

Base System Value
2 Binary 111010110110100111000000100001
3 Ternary 2112210221211001011
4 Quaternary 322312213000201
5 Quinary 4010233102311
6 Senary 241551140521
8 Octal 7266470041
10 Decimal 987394081
12 Duodecimal 236814741
16 Hexadecimal 3ada7021
20 Vigesimal f8b4541
36 Base36 gbva5d

Cryptographic Hash Functions

md5 99397c13b38a722353dd560d9aedabb4
sha1 225bce50bfacd328308ad30ca4c7cdded7cb2235
sha256 9572730b5a39c406e721d19133f161ceb9f0590db9e02dc20fa9074217762835
sha512 98d56ceed0f7011281eaba8d330b3abcae78253f9d8cf3e871e767937ac1e351c5b5a8fd7461dd92a2d1da55c6603ca0c61955426b42910ffbd7b993f62a2047
ripemd-160 293a0367a5f8a020a36c007e056b9402ea109225

987394081 as geometric shapes

Circle

Radius = n
Diameter 1974788162
Circumference 6203979982.1353
Area 3.0628865565014E+18

Sphere

Radius = n
Volume 4.032368075552E+27
Surface area 1.2251546226006E+19
Circumference 6203979982.1353

Square

Length = n
Perimeter 3949576324
Area 974947071193834561
Diagonal 1396386100.7571

Cube

Length = n
Surface area 5849682427163007366
Volume 9.6265696738508E+26
Space diagonal 1710216715.3848

Equilateral Triangle

Length = n
Perimeter 2962182243
Area 4.2216446549955E+17
Altitude 855108357.69239

Triangular Pyramid

Length = n
Surface area 4.2216446549955E+17
Volume 1.1345021159908E+26
Height 465462033.58571