638973904 (number)

638973904 is an even 9-digits composite number following 638973903 and preceding 638973905. In scientific notation, it is written as 6.38973904 × 10^8. The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors. There are 318159360 positive integers (up to 638973904) that are relatively prime to 638973904.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred seventy-three thousand nine hundred four

Notation

Scientific notation 6.38973904 × 10^8
Engineering notation 6.38973904 × 10^6

Prime Factorization of 638973904

Prime Factorization 2 × 2 × 2 × 2 × 241 × 165709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 79871738
Product of the distinct prime numbers

The prime factorization of 638973904 is 2 × 2 × 2 × 2 × 241 × 165709. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638973904)

Multiplication

n×y
n×2 1277947808
n×3 1916921712
n×4 2555895616
n×5 3194869520

Division

n÷y
n÷2 319486952
n÷3 212991301.33333
n÷3 159743476
n÷5 127794780.8

Exponentiation

ny
n2 408287649993001216
n3 2.6088515367101E+26
n4 1.6669880513681E+35
n5 1.065161863104E+44

Nth Root

y√n
2√n 25277.933143356
3√n 861.31307615829
4√n 158.99035550421
5√n 57.689480000297

Divisors of 638973904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638973903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638973904 can be divided by 20 positive divisors. The sum of these divisors (counting 638973904) is 1, the average is 0.05.

Base conversion 638973904

Base System Value
2 Binary 100110000101011111011111010000
3 Ternary 1122112100020102011
4 Quaternary 212011133133100
5 Quinary 2302034131104
6 Senary 143223232304
8 Octal 4605373720
10 Decimal 638973904
12 Duodecimal 159ba8694
16 Hexadecimal 2615f7d0
20 Vigesimal 9jdbef4
36 Base36 akfff4

Cryptographic Hash Functions

md5 15177e11c2044c33e94f0c3d8c36ec53
sha1 86689b3c37fdd9c8d20c323bdfc59e24da0d4016
sha256 dbf6bad8b368b2d9465371bb13b52b5da3b11d83a6f00dee97a19a57e886a246
sha512 baeb41e3959e1452674b9c34f4092b1f737db852d03b319597bbc225cb283e99d30ecd2c40169da33c139a96dbf6ba274d69c19ddbd860a465461fdfa53f9731
ripemd-160 9e4c1d5c940b103390974692a1fd888faaee85a1

638973904 as geometric shapes

Circle

Radius = n
Diameter 1277947808
Circumference 4014791445.284
Area 1.2826734817695E+18

Sphere

Radius = n
Volume 1.0927931762713E+27
Surface area 5.1306939270778E+18
Circumference 4014791445.284

Square

Length = n
Perimeter 2555895616
Area 408287649993001216
Diagonal 903645561.03928

Cube

Length = n
Surface area 2449725899958007296
Volume 2.6088515367101E+26
Space diagonal 1106735266.4386

Equilateral Triangle

Length = n
Perimeter 1916921712
Area 1.7679373847269E+17
Altitude 553367633.21932

Triangular Pyramid

Length = n
Surface area 1.7679373847269E+17
Volume 3.0745610211945E+25
Height 301215187.01309