644920704 (number)

644920704 is an even 9-digits composite number following 644920703 and preceding 644920705. In scientific notation, it is written as 6.44920704 × 10^8. The sum of its digits is 36. It has a total of 12 prime factors and 160 positive divisors. There are 202272768 positive integers (up to 644920704) that are relatively prime to 644920704.

Interesting facts

Basic properties

Name

Name six hundred forty-four million nine hundred twenty thousand seven hundred four

Notation

Scientific notation 6.44920704 × 10^8
Engineering notation 6.44920704 × 10^6

Prime Factorization of 644920704

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 3 × 3 × 9 × 3659

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 3358962
Product of the distinct prime numbers

The prime factorization of 644920704 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 3 × 3 × 9 × 3659. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 644920704)

Multiplication

n×y
n×2 1289841408
n×3 1934762112
n×4 2579682816
n×5 3224603520

Division

n÷y
n÷2 322460352
n÷3 214973568
n÷3 161230176
n÷5 128984140.8

Exponentiation

ny
n2 415922714447855616
n3 2.682371698113E+26
n4 1.7299170439367E+35
n5 1.1156593178373E+44

Nth Root

y√n
2√n 25395.289011941
3√n 863.97685123164
4√n 159.3589941357
5√n 57.796463317835

Divisors of 644920704

160 divisors

τ Total Divisors 160
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -644920703
Sum of the proper positive divisors of n
A Arithmetic Mean 0.00625
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 160
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 644920704 can be divided by 160 positive divisors. The sum of these divisors (counting 644920704) is 1, the average is 0.00625.

Base conversion 644920704

Base System Value
2 Binary 100110011100001011010110000000
3 Ternary 1122221112100220000
4 Quaternary 212130023112000
5 Quinary 2310044430304
6 Senary 143554520000
8 Octal 4634132600
10 Decimal 644920704
12 Duodecimal 15bb96000
16 Hexadecimal 2670b580
20 Vigesimal a1af1f4
36 Base36 anyw00

Cryptographic Hash Functions

md5 8edb7bf4d38c20ce3918e227b32082d3
sha1 639b58389f34846eb4de79a8e089d88960acab08
sha256 df7b1a19906e8339f3fc5ec9a5405b8625e4c6bfaba1b31647c4350e8512da58
sha512 17fb43bdb5ead1c79eea12e64a51987843cdb479c7a1e08635f28fadc94b3c89b07e921b6adcf4ea7481726ee9addf0a3e19fa72c032590a39ee9f06dd0cdcd8
ripemd-160 cafc0fa72bed9fa69bf4d6857b1f15bd25ebaf90

644920704 as geometric shapes

Circle

Radius = n
Diameter 1289841408
Circumference 4052156291.6687
Area 1.3066597441705E+18

Sphere

Radius = n
Volume 1.1235892294652E+27
Surface area 5.226638976682E+18
Circumference 4052156291.6687

Square

Length = n
Perimeter 2579682816
Area 415922714447855616
Diagonal 912055606.252

Cube

Length = n
Surface area 2495536286687133696
Volume 2.682371698113E+26
Space diagonal 1117035426.1811

Equilateral Triangle

Length = n
Perimeter 1934762112
Area 1.8009981836141E+17
Altitude 558517713.09054

Triangular Pyramid

Length = n
Surface area 1.8009981836141E+17
Volume 3.161205362331E+25
Height 304018535.41733