1985087131 (number)

1985087131 is an odd 10-digits composite number following 1985087130 and preceding 1985087132. In scientific notation, it is written as 1.985087131 × 10^9. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 1938922272 positive integers (up to 1985087131) that are relatively prime to 1985087131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.985087131 × 10^9
Engineering notation 1.985087131 × 10^9

Prime Factorization of 1985087131

Prime Factorization 43 × 46164817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1985087131
Product of the distinct prime numbers

The prime factorization of 1985087131 is 43 × 46164817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1985087131)

Multiplication

n×y
n×2 3970174262
n×3 5955261393
n×4 7940348524
n×5 9925435655

Division

n÷y
n÷2 992543565.5
n÷3 661695710.33333
n÷3 496271782.75
n÷5 397017426.2

Exponentiation

ny
n2 3940570917661811161
n3 7.8223766174433E+27
n4 1.5528099157122E+37
n5 3.0824629805695E+46

Nth Root

y√n
2√n 44554.316637112
3√n 1256.78172794
4√n 211.07893461241
5√n 72.369557103358

Divisors of 1985087131

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 -1985087130
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 1985087131 can be divided by 4 positive divisors. The sum of these divisors (counting 1985087131) is 1, the average is 0.25.

Base conversion 1985087131

Base System Value
2 Binary 1110110010100100000011010011011
3 Ternary 12010100021212121121
4 Quaternary 1312110200122123
5 Quinary 13031140242011
6 Senary 524551150111
8 Octal 16624403233
10 Decimal 1985087131
12 Duodecimal 474975337
16 Hexadecimal 7652069b
20 Vigesimal 1b06fhgb
36 Base36 wtvb17

Cryptographic Hash Functions

md5 9e23203691184b667ae9d597495ffcc2
sha1 ff44e05a117f139a87b1f5de2d70c9a15f5e62a7
sha256 a4df4c4f244cb4176decf6b1063ddd3351df9e8bb0b0e8bf7ee7caf818be2fc5
sha512 6b313d672db294f03be239c71a06ca005ab9d3b63c8cebc4fb2593be05e6e2a7832efdfbb5c0437bad471bc62e27e02c34ec7f3085cd6948a3bdfcc10d9639f5
ripemd-160 a7f3271c977335e98a6ed0a8088cd1f1a2578973

1985087131 as geometric shapes

Circle

Radius = n
Diameter 3970174262
Circumference 12472670294.97
Area 1.2379668645876E+19

Sphere

Radius = n
Volume 3.2766294553297E+28
Surface area 4.9518674583504E+19
Circumference 12472670294.97

Square

Length = n
Perimeter 7940348524
Area 3940570917661811161
Diagonal 2807337143.1525

Cube

Length = n
Surface area 2.3643425505971E+19
Volume 7.8223766174433E+27
Space diagonal 3438271768.3431

Equilateral Triangle

Length = n
Perimeter 5955261393
Area 1.7063172600546E+18
Altitude 1719135884.1716

Triangular Pyramid

Length = n
Surface area 1.7063172600546E+18
Volume 9.2187592519821E+26
Height 935779047.7175