1985087138 (number)

1985087138 is an even 10-digits composite number following 1985087137 and preceding 1985087139. In scientific notation, it is written as 1.985087138 × 10^9. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 992543568 positive integers (up to 1985087138) that are relatively prime to 1985087138.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.985087138 × 10^9
Engineering notation 1.985087138 × 10^9

Prime Factorization of 1985087138

Prime Factorization 2 × 992543569

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1985087138
Product of the distinct prime numbers

The prime factorization of 1985087138 is 2 × 992543569. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 77, 21, 361, 481, 2725, 7250, 28285, 45338, 610391, 912949, 3457114, 2257411, 5693152, 21401788, 667514550, 688369597, 4933899618, 5205135255

Basic calculations (n = 1985087138)

Multiplication

n×y
n×2 3970174276
n×3 5955261414
n×4 7940348552
n×5 9925435690

Division

n÷y
n÷2 992543569
n÷3 661695712.66667
n÷3 496271784.5
n÷5 397017427.6

Exponentiation

ny
n2 3940570945453031044
n3 7.8223767001953E+27
n4 1.5528099376149E+37
n5 3.0824630349178E+46

Nth Root

y√n
2√n 44554.316715667
3√n 1256.7817294173
4√n 211.0789347985
5√n 72.369557154397

Divisors of 1985087138

1, 2, 992543569, 1985087138

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 -1985087137
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 1985087138 can be divided by 4 positive divisors. The sum of these divisors (counting 1985087138) is 1, the average is 0.25.

Base conversion 1985087138

Base System Value
2 Binary 1110110010100100000011010100010
3 Ternary 12010100021212121212
4 Quaternary 1312110200122202
5 Quinary 13031140242023
6 Senary 524551150122
8 Octal 16624403242
10 Decimal 1985087138
12 Duodecimal 474975342
16 Hexadecimal 765206a2
20 Vigesimal 1b06fhgi
36 Base36 wtvb1e

Cryptographic Hash Functions

md5 18020359387cfcb9f3904e9fcc451bb8
sha1 53cd857f55ab04bf5725f05735b276525cfacc47
sha256 56fe8284a158ff21195ce3ab75d0ca23f1922b8da4c29ca70b34afc7bc18cf71
sha512 2572f9bf8a5a62e8a3653fb8d45c1d844e4b503e83154c385f0dee0fd1dcadf8b653d222719dd1fbb13ba234d715d78be920df55340863ee32610a15043676fa
ripemd-160 52b8d6233f33b57d51ba842fb78592801bc924c2

1985087138 as geometric shapes

Circle

Radius = n
Diameter 3970174276
Circumference 12472670338.953
Area 1.2379668733185E+19

Sphere

Radius = n
Volume 3.2766294899927E+28
Surface area 4.9518674932739E+19
Circumference 12472670338.953

Square

Length = n
Perimeter 7940348552
Area 3940570945453031044
Diagonal 2807337153.052

Cube

Length = n
Surface area 2.3643425672718E+19
Volume 7.8223767001953E+27
Space diagonal 3438271780.4675

Equilateral Triangle

Length = n
Perimeter 5955261414
Area 1.7063172720886E+18
Altitude 1719135890.2337

Triangular Pyramid

Length = n
Surface area 1.7063172720886E+18
Volume 9.2187593495063E+26
Height 935779051.01733