1640809987 (number)

1640809987 is an odd 10-digits composite number following 1640809986 and preceding 1640809988. In scientific notation, it is written as 1.640809987 × 10^9. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 1609851256 positive integers (up to 1640809987) that are relatively prime to 1640809987.

Interesting facts

Basic properties

Name

Name one billion six hundred forty million eight hundred nine thousand nine hundred eighty-seven

Notation

Scientific notation 1.640809987 × 10^9
Engineering notation 1.640809987 × 10^9

Prime Factorization of 1640809987

Prime Factorization 53 × 30958679

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1640809987
Product of the distinct prime numbers

The prime factorization of 1640809987 is 53 × 30958679. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 91, 10, 977, 421, 9301, 6149, 302, 92024, 249649, 124191, 9770466, 9224165, 60654389, 97677362, 55313129, 693807794, 2566474223, 2912756193

Basic calculations (n = 1640809987)

Multiplication

n×y
n×2 3281619974
n×3 4922429961
n×4 6563239948
n×5 8204049935

Division

n÷y
n÷2 820404993.5
n÷3 546936662.33333
n÷3 410202496.75
n÷5 328161997.4

Exponentiation

ny
n2 2692257413438940169
n3 4.4174828515454E+27
n4 7.2482499802169E+36
n5 1.1893000955812E+46

Nth Root

y√n
2√n 40506.912829787
3√n 1179.4678216446
4√n 201.26329230584
5√n 69.664521452433

Divisors of 1640809987

1, 53, 30958679, 1640809987

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 -1640809986
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 1640809987 can be divided by 4 positive divisors. The sum of these divisors (counting 1640809987) is 1, the average is 0.25.

Base conversion 1640809987

Base System Value
2 Binary 1100001110011001100011000000011
3 Ternary 11020100110210011021
4 Quaternary 1201303030120003
5 Quinary 11330021404422
6 Senary 430452130311
8 Octal 14163143003
10 Decimal 1640809987
12 Duodecimal 399606997
16 Hexadecimal 61ccc603
20 Vigesimal 15cf14j7
36 Base36 r4w937

Cryptographic Hash Functions

md5 8cd7ee913de4944e96da80d087eb5ab6
sha1 d82721210800908a96ca5cf1846c2ce2aad42f13
sha256 2db5e0dc1548f19447d25dee5848089ff58c5f62beb17a237290a75bc8d2b965
sha512 ae72186c998e431254f647bcf52e752c5ad105b4af8f15fa0408fd1f1d25c8fab53ee5b285cc6dd486f9cab1b7c2a3d424da57f54840188b0e0ad62a3a01e97c
ripemd-160 27e51bb3c41f76245071fb562fb75b7789391b44

1640809987 as geometric shapes

Circle

Radius = n
Diameter 3281619974
Circumference 10309513202.192
Area 8.4579761116324E+18

Sphere

Radius = n
Volume 1.8503908898365E+28
Surface area 3.383190444653E+19
Circumference 10309513202.192

Square

Length = n
Perimeter 6563239948
Area 2692257413438940169
Diagonal 2320455736.8926

Cube

Length = n
Surface area 1.6153544480634E+19
Volume 4.4174828515454E+27
Space diagonal 2841966263.0504

Equilateral Triangle

Length = n
Perimeter 4922429961
Area 1.1657816567826E+18
Altitude 1420983131.5252

Triangular Pyramid

Length = n
Surface area 1.1657816567826E+18
Volume 5.2060534668384E+26
Height 773485245.63087