987130791 (number)

987130791 is an odd 9-digits composite number following 987130790 and preceding 987130792. In scientific notation, it is written as 9.87130791 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 658087188 positive integers (up to 987130791) that are relatively prime to 987130791.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.87130791 × 10^8
Engineering notation 9.87130791 × 10^6

Prime Factorization of 987130791

Prime Factorization 9 × 109681199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 987130791
Product of the distinct prime numbers

The prime factorization of 987130791 is 9 × 109681199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 987130791)

Multiplication

n×y
n×2 1974261582
n×3 2961392373
n×4 3948523164
n×5 4935653955

Division

n÷y
n÷2 493565395.5
n÷3 329043597
n÷3 246782697.75
n÷5 197426158.2

Exponentiation

ny
n2 974427198540285681
n3 9.6188709126699E+26
n4 9.4950836525507E+35
n5 9.3728894365535E+44

Nth Root

y√n
2√n 31418.637637555
3√n 995.69172912428
4√n 177.25303280214
5√n 62.932493519783

Divisors of 987130791

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 -987130790
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 987130791 can be divided by 4 positive divisors. The sum of these divisors (counting 987130791) is 1, the average is 0.25.

Base conversion 987130791

Base System Value
2 Binary 111010110101100110101110100111
3 Ternary 2112210110102212200
4 Quaternary 322311212232213
5 Quinary 4010201141131
6 Senary 241541345543
8 Octal 7265465647
10 Decimal 987130791
12 Duodecimal 2367082b3
16 Hexadecimal 3ad66ba7
20 Vigesimal f89b6jb
36 Base36 gbpmzr

Cryptographic Hash Functions

md5 b3feae0ebc9842929e22ad70e81b552c
sha1 d199947839ba01ea12d0301a462cde186795e342
sha256 d2e61151b2882e7b7d04ae8443e88a2b78619aae0194fa3182a50d31dd9300fc
sha512 924f2e786728d25e6a8e68a4c6ee7b94ff34d1b1e21c23c442910c535c931c6243936eedd09f0718454676512f7f992c808195f94e2d1d034778eb84e17da89b
ripemd-160 d476dcd4be187110e56f8184cad6af9600993b43

987130791 as geometric shapes

Circle

Radius = n
Diameter 1974261582
Circumference 6202325682.2758
Area 3.0612533283922E+18

Sphere

Radius = n
Volume 4.0291432260096E+27
Surface area 1.2245013313569E+19
Circumference 6202325682.2758

Square

Length = n
Perimeter 3948523164
Area 974427198540285681
Diagonal 1396013752.4683

Cube

Length = n
Surface area 5846563191241714086
Volume 9.6188709126699E+26
Space diagonal 1709760683.7277

Equilateral Triangle

Length = n
Perimeter 2961392373
Area 4.219393540372E+17
Altitude 854880341.86383

Triangular Pyramid

Length = n
Surface area 4.219393540372E+17
Volume 1.1335948082845E+26
Height 465337917.48943