638397730 (number)

638397730 is an even 9-digits composite number following 638397729 and preceding 638397731. In scientific notation, it is written as 6.38397730 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 255281920 positive integers (up to 638397730) that are relatively prime to 638397730.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million three hundred ninety-seven thousand seven hundred thirty

Notation

Scientific notation 6.38397730 × 10^8
Engineering notation 6.38397730 × 10^6

Prime Factorization of 638397730

Prime Factorization 2 × 5 × 4241 × 15053

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638397730
Product of the distinct prime numbers

The prime factorization of 638397730 is 2 × 5 × 4241 × 15053. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 44, 27, 868, 708, 4343, 3407, 26664, 76849, 604618, 638107, 3927017, 4424476, 97579279, 27752397, 242200619, 742614227, 4158866437, 7460470953

Basic calculations (n = 638397730)

Multiplication

n×y
n×2 1276795460
n×3 1915193190
n×4 2553590920
n×5 3191988650

Division

n÷y
n÷2 319198865
n÷3 212799243.33333
n÷3 159599432.5
n÷5 127679546

Exponentiation

ny
n2 407551661669152900
n3 2.6018005566732E+26
n4 1.6609835692929E+35
n5 1.0603681402039E+44

Nth Root

y√n
2√n 25266.533794725
3√n 861.05411125848
4√n 158.95450227888
5√n 57.679072322089

Divisors of 638397730

1, 2, 5, 10, 4241, 8482, 15053, 21205, 30106, 42410, 75265, 150530, 63839773, 127679546, 319198865, 638397730

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 -638397729
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 638397730 can be divided by 16 positive divisors. The sum of these divisors (counting 638397730) is 1, the average is 0.0625.

Base conversion 638397730

Base System Value
2 Binary 100110000011010010110100100010
3 Ternary 1122111020222001101
4 Quaternary 212003102310202
5 Quinary 2301412211410
6 Senary 143203025014
8 Octal 4603226442
10 Decimal 638397730
12 Duodecimal 15996b16a
16 Hexadecimal 260d2d22
20 Vigesimal 9j9je6a
36 Base36 ak32ua

Cryptographic Hash Functions

md5 20ad3df05c21a4d73f82f825116fba56
sha1 7f9a384518d85f853f336850a590104a6b336d6d
sha256 9d547c935edbe31cbd8f22535876d482ef79a9c9d5076dab2896a7b1736e2bcd
sha512 5616490b821653c00bc7ca34d8abbd1ea44b8e9996655663714f33a736f61a981ee33c35cf6efee18fb18048fafadb1dd8eb1dd79df6a2a2878933b28f67e5ef
ripemd-160 83d5a59b288cd39089414e43c37ab2db017dfb69

638397730 as geometric shapes

Circle

Radius = n
Diameter 1276795460
Circumference 4011171237.2728
Area 1.2803613062581E+18

Sphere

Radius = n
Volume 1.08983966866E+27
Surface area 5.1214452250325E+18
Circumference 4011171237.2728

Square

Length = n
Perimeter 2553590920
Area 407551661669152900
Diagonal 902830727.9542

Cube

Length = n
Surface area 2445309970014917400
Volume 2.6018005566732E+26
Space diagonal 1105737303.7966

Equilateral Triangle

Length = n
Perimeter 1915193190
Area 1.7647504618002E+17
Altitude 552868651.89832

Triangular Pyramid

Length = n
Surface area 1.7647504618002E+17
Volume 3.0662513615309E+25
Height 300943575.98473