644966338 (number)

644966338 is an even 9-digits composite number following 644966337 and preceding 644966339. In scientific notation, it is written as 6.44966338 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 322483168 positive integers (up to 644966338) that are relatively prime to 644966338.

Interesting facts

Basic properties

Name

Name six hundred forty-four million nine hundred sixty-six thousand three hundred thirty-eight

Notation

Scientific notation 6.44966338 × 10^8
Engineering notation 6.44966338 × 10^6

Prime Factorization of 644966338

Prime Factorization 2 × 322483169

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 644966338
Product of the distinct prime numbers

The prime factorization of 644966338 is 2 × 322483169. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 91, 63, 611, 70, 6188, 9871, 56931, 34432, 333326, 930404, 8073388, 8282458, 93552525, 46823182, 349405957, 829254876, 1508320515, 9393374249

Basic calculations (n = 644966338)

Multiplication

n×y
n×2 1289932676
n×3 1934899014
n×4 2579865352
n×5 3224831690

Division

n÷y
n÷2 322483169
n÷3 214988779.33333
n÷3 161241584.5
n÷5 128993267.6

Exponentiation

ny
n2 415981577153130244
n3 2.6829411449192E+26
n4 1.7304067253081E+35
n5 1.1160540888725E+44

Nth Root

y√n
2√n 25396.187469776
3√n 863.99722882199
4√n 159.36181308512
5√n 57.797281219677

Divisors of 644966338

1, 2, 322483169, 644966338

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 -644966337
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 644966338 can be divided by 4 positive divisors. The sum of these divisors (counting 644966338) is 1, the average is 0.25.

Base conversion 644966338

Base System Value
2 Binary 100110011100010110011111000010
3 Ternary 1122221121200111011
4 Quaternary 212130112133002
5 Quinary 2310102410323
6 Senary 143555511134
8 Octal 4634263702
10 Decimal 644966338
12 Duodecimal 15bbb84aa
16 Hexadecimal 267167c2
20 Vigesimal a1b0fgi
36 Base36 anzv7m

Cryptographic Hash Functions

md5 d23b738b8f5f389fb10e7192640bb752
sha1 bf99a079605e9a85deb6d73a0d3f1b10f1d3ee26
sha256 78a395e4f690f0ad9caa662b2817c29c4c48b4bd43213accaf2fc6cdb4f25de0
sha512 06cc0184426b5c916ba8b96d820ad92197ee587015c486b071abbbabd82066563fd87588b91aacba728652cd332f63324d6b599c92d59a2a26da442f62e2f248
ripemd-160 37a7be4619e5ccee9704ece38e511c862d702f9e

644966338 as geometric shapes

Circle

Radius = n
Diameter 1289932676
Circumference 4052443018.547
Area 1.306844666813E+18

Sphere

Radius = n
Volume 1.1238277587856E+27
Surface area 5.2273786672519E+18
Circumference 4052443018.547

Square

Length = n
Perimeter 2579865352
Area 415981577153130244
Diagonal 912120142.47371

Cube

Length = n
Surface area 2495889462918781464
Volume 2.6829411449192E+26
Space diagonal 1117114466.5876

Equilateral Triangle

Length = n
Perimeter 1934899014
Area 1.8012530666046E+17
Altitude 558557233.29382

Triangular Pyramid

Length = n
Surface area 1.8012530666046E+17
Volume 3.1618764618279E+25
Height 304040047.49124