644498085 (number)

644498085 is an odd 9-digits composite number following 644498084 and preceding 644498086. In scientific notation, it is written as 6.44498085 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 267842880 positive integers (up to 644498085) that are relatively prime to 644498085.

Interesting facts

Basic properties

Name

Name six hundred forty-four million four hundred ninety-eight thousand eighty-five

Notation

Scientific notation 6.44498085 × 10^8
Engineering notation 6.44498085 × 10^6

Prime Factorization of 644498085

Prime Factorization 7 × 15 × 11 × 558007

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 644498085
Product of the distinct prime numbers

The prime factorization of 644498085 is 7 × 15 × 11 × 558007. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 91, 13, 338, 369, 7355, 7236, 43835, 38850, 447061, 913016, 3486141, 3500777, 85180178, 59504732, 220921536, 869511949, 6921775750, 3750586615

Basic calculations (n = 644498085)

Multiplication

n×y
n×2 1288996170
n×3 1933494255
n×4 2577992340
n×5 3222490425

Division

n÷y
n÷2 322249042.5
n÷3 214832695
n÷3 161124521.25
n÷5 128899617

Exponentiation

ny
n2 415377781568667225
n3 2.6771018477255E+26
n4 1.7253870142091E+35
n5 1.1120086265416E+44

Nth Root

y√n
2√n 25386.966833397
3√n 863.78808754986
4√n 159.33288057836
5√n 57.7888864829

Divisors of 644498085

1, 7, 11, 15, 77, 105, 165, 1155, 558007, 3906049, 6138077, 8370105, 42966539, 58590735, 92071155, 644498085

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 -644498084
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 644498085 can be divided by 16 positive divisors. The sum of these divisors (counting 644498085) is 1, the average is 0.0625.

Base conversion 644498085

Base System Value
2 Binary 100110011010100100001010100101
3 Ternary 1122220201220011110
4 Quaternary 212122210022211
5 Quinary 2304442414320
6 Senary 143541455233
8 Octal 4632441245
10 Decimal 644498085
12 Duodecimal 15ba11519
16 Hexadecimal 266a42a5
20 Vigesimal a182545
36 Base36 anptwl

Cryptographic Hash Functions

md5 5b90a3664428e58479322e9c55953185
sha1 78dc75b20eb04addb4395a3462943e8fb840bf73
sha256 ca0d24ec4f7579ed59ccbe6be6011242c6796e2a9469d4674dedd43bae6ab19c
sha512 b47f8f60775f6f2b349f831910c501ad7ba221533c6f3b7683e596e6162dcb85ffe1031043c4d441737c322de6b971662f135b2f9dd2e8ba36a099d88350ab0f
ripemd-160 3fcab95a4341e42c4d2a2261984e3af434475ca9

644498085 as geometric shapes

Circle

Radius = n
Diameter 1288996170
Circumference 4049500898.1774
Area 1.3049477870406E+18

Sphere

Radius = n
Volume 1.1213817996968E+27
Surface area 5.2197911481622E+18
Circumference 4049500898.1774

Square

Length = n
Perimeter 2577992340
Area 415377781568667225
Diagonal 911457932.73049

Cube

Length = n
Surface area 2492266689412003350
Volume 2.6771018477255E+26
Space diagonal 1116303428.6008

Equilateral Triangle

Length = n
Perimeter 1933494255
Area 1.7986385550304E+17
Altitude 558151714.30042

Triangular Pyramid

Length = n
Surface area 1.7986385550304E+17
Volume 3.1549947840896E+25
Height 303819310.91016