644016989 (number)

644016989 is an odd 9-digits composite number following 644016988 and preceding 644016990. In scientific notation, it is written as 6.44016989 × 10^8. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 475418160 positive integers (up to 644016989) that are relatively prime to 644016989.

Interesting facts

Basic properties

Name

Name six hundred forty-four million sixteen thousand nine hundred eighty-nine

Notation

Scientific notation 6.44016989 × 10^8
Engineering notation 6.44016989 × 10^6

Prime Factorization of 644016989

Prime Factorization 209 × 7 × 440203

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 644016989
Product of the distinct prime numbers

The prime factorization of 644016989 is 209 × 7 × 440203. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 86, 100, 500, 452, 847, 227, 49537, 99407, 256505, 813732, 5993288, 2778216, 94762993, 3146967, 673206042, 529391177, 7289648236, 6751337080

Basic calculations (n = 644016989)

Multiplication

n×y
n×2 1288033978
n×3 1932050967
n×4 2576067956
n×5 3220084945

Division

n÷y
n÷2 322008494.5
n÷3 214672329.66667
n÷3 161004247.25
n÷5 128803397.8

Exponentiation

ny
n2 414757882120626121
n3 2.6711112240734E+26
n4 1.7202410078119E+35
n5 1.1078644342053E+44

Nth Root

y√n
2√n 25377.489808884
3√n 863.57310452763
4√n 159.30313810118
5√n 57.780256416249

Divisors of 644016989

1, 7, 209, 1463, 440203, 3081421, 92002427, 644016989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -644016988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 644016989 can be divided by 8 positive divisors. The sum of these divisors (counting 644016989) is 1, the average is 0.125.

Base conversion 644016989

Base System Value
2 Binary 100110011000101110101101011101
3 Ternary 1122212211110020002
4 Quaternary 212120232231131
5 Quinary 2304332020424
6 Senary 143523304045
8 Octal 4630565535
10 Decimal 644016989
12 Duodecimal 15b81b025
16 Hexadecimal 2662eb5d
20 Vigesimal a152299
36 Base36 anfiot

Cryptographic Hash Functions

md5 200c16015d4f64dfed4267bdfb012161
sha1 0e1147692d7d295068fb69af25378d6f26e8f1cf
sha256 a7f38ca12379e9dee6975b4df04f08eb00364aa074495e4b69ae1f13d316d45d
sha512 6204b1fad1f1b515944a893717bfcbae97876542b594882e0d4d0d35fbf7beca2d5f0a760c18da4cdbafc21cfdbe80cabe568e2962d8117a7ff4d85e96e499db
ripemd-160 0a28f2f05eab7cb84a604fd85e7ba9d5617d4f8c

644016989 as geometric shapes

Circle

Radius = n
Diameter 1288033978
Circumference 4046478082.8588
Area 1.3030003154886E+18

Sphere

Radius = n
Volume 1.1188724531294E+27
Surface area 5.2120012619545E+18
Circumference 4046478082.8588

Square

Length = n
Perimeter 2576067956
Area 414757882120626121
Diagonal 910777560.24248

Cube

Length = n
Surface area 2488547292723756726
Volume 2.6711112240734E+26
Space diagonal 1115470145.8855

Equilateral Triangle

Length = n
Perimeter 1932050967
Area 1.7959543116815E+17
Altitude 557735072.94276

Triangular Pyramid

Length = n
Surface area 1.7959543116815E+17
Volume 3.1479347664097E+25
Height 303592520.08083