638962745 (number)

638962745 is an odd 9-digits composite number following 638962744 and preceding 638962746. In scientific notation, it is written as 6.38962745 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 511170192 positive integers (up to 638962745) that are relatively prime to 638962745.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred sixty-two thousand seven hundred forty-five

Notation

Scientific notation 6.38962745 × 10^8
Engineering notation 6.38962745 × 10^6

Prime Factorization of 638962745

Prime Factorization 5 × 127792549

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638962745
Product of the distinct prime numbers

The prime factorization of 638962745 is 5 × 127792549. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 11, 55, 738, 608, 6312, 3384, 13723, 34788, 842429, 888421, 8524822, 2545575, 46061836, 85685241, 139656173, 697473832, 7906130198, 2011071576

Basic calculations (n = 638962745)

Multiplication

n×y
n×2 1277925490
n×3 1916888235
n×4 2555850980
n×5 3194813725

Division

n÷y
n÷2 319481372.5
n÷3 212987581.66667
n÷3 159740686.25
n÷5 127792549

Exponentiation

ny
n2 408273389497935025
n3 2.6087148566405E+26
n4 1.6668716057213E+35
n5 1.0650688567543E+44

Nth Root

y√n
2√n 25277.712416277
3√n 861.30806215667
4√n 158.98966135028
5√n 57.689278501801

Divisors of 638962745

1, 5, 127792549, 638962745

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 -638962744
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 638962745 can be divided by 4 positive divisors. The sum of these divisors (counting 638962745) is 1, the average is 0.25.

Base conversion 638962745

Base System Value
2 Binary 100110000101011100110000111001
3 Ternary 1122112022200002212
4 Quaternary 212011130300321
5 Quinary 2302033301440
6 Senary 143223104505
8 Octal 4605346071
10 Decimal 638962745
12 Duodecimal 159ba2135
16 Hexadecimal 2615cc39
20 Vigesimal 9jda6h5
36 Base36 akf6t5

Cryptographic Hash Functions

md5 ebcf5966f6acbd157d474d84eb69be4e
sha1 0a43f4bd129a104815040e7b4e3e015e82880261
sha256 71cea13f68cc15264aa1c254e48b1056342c63b5f173a210570b8facd1b3bd9e
sha512 10b866e0adb352dc5ede8874188bda5498dfe2d4505c5c168718f8f82d625c1522f48ab8c12660104d6e8b28e9f57cc5ed6572e7439cc05d5cce5d8d5e9922ec
ripemd-160 fc35ff0aee960fb24e496b83cfa3615130dff3ed

638962745 as geometric shapes

Circle

Radius = n
Diameter 1277925490
Circumference 4014721331.2191
Area 1.2826286811029E+18

Sphere

Radius = n
Volume 1.0927359238577E+27
Surface area 5.1305147244117E+18
Circumference 4014721331.2191

Square

Length = n
Perimeter 2555850980
Area 408273389497935025
Diagonal 903629779.83014

Cube

Length = n
Surface area 2449640336987610150
Volume 2.6087148566405E+26
Space diagonal 1106715938.4837

Equilateral Triangle

Length = n
Perimeter 1916888235
Area 1.767875634972E+17
Altitude 553357969.24184

Triangular Pyramid

Length = n
Surface area 1.767875634972E+17
Volume 3.0743999421877E+25
Height 301209926.61005