638851894 (number)

638851894 is an even 9-digits composite number following 638851893 and preceding 638851895. In scientific notation, it is written as 6.38851894 × 10^8. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 311673600 positive integers (up to 638851894) that are relatively prime to 638851894.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred fifty-one thousand eight hundred ninety-four

Notation

Scientific notation 6.38851894 × 10^8
Engineering notation 6.38851894 × 10^6

Prime Factorization of 638851894

Prime Factorization 2 × 71 × 97 × 46381

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638851894
Product of the distinct prime numbers

The prime factorization of 638851894 is 2 × 71 × 97 × 46381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 8, 63, 331, 445, 2134, 8955, 43862, 7386, 787338, 346398, 3921216, 7328091, 56475612, 14582323, 22600439, 654143912, 3775684658, 9333819748

Basic calculations (n = 638851894)

Multiplication

n×y
n×2 1277703788
n×3 1916555682
n×4 2555407576
n×5 3194259470

Division

n÷y
n÷2 319425947
n÷3 212950631.33333
n÷3 159712973.5
n÷5 127770378.8

Exponentiation

ny
n2 408131742467387236
n3 2.6073573667681E+26
n4 1.6657151920947E+35
n5 1.0641453053342E+44

Nth Root

y√n
2√n 25275.519658357
3√n 861.25825102002
4√n 158.98276528718
5√n 57.687276708088

Divisors of 638851894

1, 2, 71, 97, 142, 194, 6887, 13774, 46381, 92762, 3293051, 4498957, 6586102, 8997914, 319425947, 638851894

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 -638851893
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 638851894 can be divided by 16 positive divisors. The sum of these divisors (counting 638851894) is 1, the average is 0.0625.

Base conversion 638851894

Base System Value
2 Binary 100110000101000001101100110110
3 Ternary 1122112010001001021
4 Quaternary 212011001230312
5 Quinary 2302021230034
6 Senary 143220451354
8 Octal 4605015466
10 Decimal 638851894
12 Duodecimal 159b49b5a
16 Hexadecimal 26141b36
20 Vigesimal 9jcg9ee
36 Base36 akct9y

Cryptographic Hash Functions

md5 662bd86805d99ea33a92fbfb712bd809
sha1 bff1da69ed6f0287184673b662b85a425843f994
sha256 2eefa49c449bfdb5b61dd5314cc3a5bb86620f7380915efcf03118649ef6e7d5
sha512 9c66da8cb7a3b329f18f475506d9aba96c7ef6c4ec66528a9bf73fcfa4f3402f91adca9334165239aaa59db9c733c7362710d2d5fcded349ac949f6046a4f917
ripemd-160 37914ff57ba06e0360677ab8750bdacadfc1f99e

638851894 as geometric shapes

Circle

Radius = n
Diameter 1277703788
Circumference 4014024833.8447
Area 1.2821836838323E+18

Sphere

Radius = n
Volume 1.0921672998296E+27
Surface area 5.1287347353294E+18
Circumference 4014024833.8447

Square

Length = n
Perimeter 2555407576
Area 408131742467387236
Diagonal 903473012.84254

Cube

Length = n
Surface area 2448790454804323416
Volume 2.6073573667681E+26
Space diagonal 1106523938.9196

Equilateral Triangle

Length = n
Perimeter 1916555682
Area 1.7672622853378E+17
Altitude 553261969.4598

Triangular Pyramid

Length = n
Surface area 1.7672622853378E+17
Volume 3.0728001250307E+25
Height 301157670.94751