1644799990 (number)

1644799990 is an even 10-digits composite number following 1644799989 and preceding 1644799991. In scientific notation, it is written as 1.644799990 × 10^9. The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors. There are 657641344 positive integers (up to 1644799990) that are relatively prime to 1644799990.

Interesting facts

Basic properties

Name

Name one billion six hundred forty-four million seven hundred ninety-nine thousand nine hundred ninety

Notation

Scientific notation 1.644799990 × 10^9
Engineering notation 1.644799990 × 10^9

Prime Factorization of 1644799990

Prime Factorization 2 × 5 × 2447 × 67217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1644799990
Product of the distinct prime numbers

The prime factorization of 1644799990 is 2 × 5 × 2447 × 67217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1644799990)

Multiplication

n×y
n×2 3289599980
n×3 4934399970
n×4 6579199960
n×5 8223999950

Division

n÷y
n÷2 822399995
n÷3 548266663.33333
n÷3 411199997.5
n÷5 328959998

Exponentiation

ny
n2 2705367007104000100
n3 4.449787626231E+27
n4 7.3190106431269E+36
n5 1.2038308632625E+46

Nth Root

y√n
2√n 40556.133814751
3√n 1180.4230959083
4√n 201.38553526694
5√n 69.698369573153

Divisors of 1644799990

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1644799989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1644799990 can be divided by 16 positive divisors. The sum of these divisors (counting 1644799990) is 1, the average is 0.0625.

Base conversion 1644799990

Base System Value
2 Binary 1100010000010011010011111110110
3 Ternary 11020121222111102011
4 Quaternary 1202002122133312
5 Quinary 11332032044430
6 Senary 431113434434
8 Octal 14202323766
10 Decimal 1644799990
12 Duodecimal 39aa0ba1a
16 Hexadecimal 6209a7f6
20 Vigesimal 15djjjja
36 Base36 r79rsm

Cryptographic Hash Functions

md5 2544b30da8fc3d3c2c7574cbd4ce1d9c
sha1 55fd22fa1c534bb7737948e8af50bbc6d712ebaa
sha256 a6217d84b87cd5ec0b5348aa221a499e2fdc8fc04794d610a000155f86fdf8ac
sha512 7929bdd26c3072efc81ff16645af662e402a4df48c625b366b8a20aca188b682c8590b967bed9d9f4d97cf599816c8f3b111f0b670d0dad152035d82db5b6337
ripemd-160 da66da5b6100bf841a3ecf6cebb98cdea2cb9e25

1644799990 as geometric shapes

Circle

Radius = n
Diameter 3289599980
Circumference 10334583130.417
Area 8.4991611147821E+18

Sphere

Radius = n
Volume 1.8639226822136E+28
Surface area 3.3996644459129E+19
Circumference 10334583130.417

Square

Length = n
Perimeter 6579199960
Area 2705367007104000100
Diagonal 2326098453.2491

Cube

Length = n
Surface area 1.6232202042624E+19
Volume 4.449787626231E+27
Space diagonal 2848877150.9688

Equilateral Triangle

Length = n
Perimeter 4934399970
Area 1.1714582773562E+18
Altitude 1424438575.4844

Triangular Pyramid

Length = n
Surface area 1.1714582773562E+18
Volume 5.2441250089132E+26
Height 775366151.08304