638866493 (number)

638866493 is an odd 9-digits prime number following 638866492 and preceding 638866494. In scientific notation, it is written as 6.38866493 × 10^8. The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors. There are 638866492 positive integers (up to 638866493) that are relatively prime to 638866493.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-six thousand four hundred ninety-three

Notation

Scientific notation 6.38866493 × 10^8
Engineering notation 6.38866493 × 10^6

Prime Factorization of 638866493

Prime Factorization 638866493

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 638866493
Product of the distinct prime numbers

The prime factorization of 638866493 is 638866493. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 5, 50, 25, 370, 763, 307, 8891, 44206, 26557, 304986, 491355, 4929789, 1085636, 75552082, 13981732, 957927373, 310644447, 8202951096, 7293909549

Basic calculations (n = 638866493)

Multiplication

n×y
n×2 1277732986
n×3 1916599479
n×4 2555465972
n×5 3194332465

Division

n÷y
n÷2 319433246.5
n÷3 212955497.66667
n÷3 159716623.25
n÷5 127773298.6

Exponentiation

ny
n2 408150395878119049
n3 2.6075361203122E+26
n4 1.6658674565547E+35
n5 1.0642668997719E+44

Nth Root

y√n
2√n 25275.808453935
3√n 861.26481144169
4√n 158.98367354523
5√n 57.687540358822

Divisors of 638866493

1, 638866493

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 638866494
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 319433247
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25275.808473717
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999968695
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638866493 can be divided by 2 positive divisors. The sum of these divisors (counting 638866493) is 638866494, the average is 319433247.

Base conversion 638866493

Base System Value
2 Binary 100110000101000101010000111101
3 Ternary 1122112010210001222
4 Quaternary 212011011100331
5 Quinary 2302022211433
6 Senary 143221043125
8 Octal 4605052075
10 Decimal 638866493
12 Duodecimal 159b564a5
16 Hexadecimal 2614543d
20 Vigesimal 9jci64d
36 Base36 akd4jh

Cryptographic Hash Functions

md5 66a6a607a7a6a31ece74b44cd4636d76
sha1 b11b95ba7a2cc60a45e9d46f7629121dae5347ed
sha256 3d11ba1b104d9f0fff9f537d23fc35331597ab947fa9451eff3003b7a08e57eb
sha512 ae214e1c8198e44f09264000e8eba2d142d313c4f58b8bfce79a4d8c86bded2bd57169f40c67041f63fc43f7f71f556967dafcf23267ed191d227796cf072866
ripemd-160 46c762a9b9528d74422ee6c4e147fe8cf57b5d39

638866493 as geometric shapes

Circle

Radius = n
Diameter 1277732986
Circumference 4014116562.0669
Area 1.2822422852505E+18

Sphere

Radius = n
Volume 1.092242175939E+27
Surface area 5.1289691410019E+18
Circumference 4014116562.0669

Square

Length = n
Perimeter 2555465972
Area 408150395878119049
Diagonal 903493658.94634

Cube

Length = n
Surface area 2448902375268714294
Volume 2.6075361203122E+26
Space diagonal 1106549225.1293

Equilateral Triangle

Length = n
Perimeter 1916599479
Area 1.7673430569756E+17
Altitude 553274612.56467

Triangular Pyramid

Length = n
Surface area 1.7673430569756E+17
Volume 3.0730107881026E+25
Height 301164552.98211