638524645 (number)

638524645 is an odd 9-digits composite number following 638524644 and preceding 638524646. In scientific notation, it is written as 6.38524645 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 462784960 positive integers (up to 638524645) that are relatively prime to 638524645.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred twenty-four thousand six hundred forty-five

Notation

Scientific notation 6.38524645 × 10^8
Engineering notation 6.38524645 × 10^6

Prime Factorization of 638524645

Prime Factorization 5 × 11 × 293 × 39623

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638524645
Product of the distinct prime numbers

The prime factorization of 638524645 is 5 × 11 × 293 × 39623. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 31, 51, 79, 131, 5144, 433, 6567, 53641, 764644, 236827, 1121953, 5212807, 87231680, 6580469, 905615618, 679855955, 7188338625, 2953686912

Basic calculations (n = 638524645)

Multiplication

n×y
n×2 1277049290
n×3 1915573935
n×4 2554098580
n×5 3192623225

Division

n÷y
n÷2 319262322.5
n÷3 212841548.33333
n÷3 159631161.25
n÷5 127704929

Exponentiation

ny
n2 407713722272376025
n3 2.603352597756E+26
n4 1.662304793292E+35
n5 1.0614225780185E+44

Nth Root

y√n
2√n 25269.045193675
3√n 861.11116735191
4√n 158.96240182406
5√n 57.681365487328

Divisors of 638524645

1, 5, 11, 55, 293, 1465, 3223, 16115, 39623, 198115, 435853, 2179265, 11609539, 58047695, 127704929, 638524645

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 -638524644
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 638524645 can be divided by 16 positive divisors. The sum of these divisors (counting 638524645) is 1, the average is 0.0625.

Base conversion 638524645

Base System Value
2 Binary 100110000011110001110011100101
3 Ternary 1122111111102010221
4 Quaternary 212003301303211
5 Quinary 2301430242040
6 Senary 143205444341
8 Octal 4603616345
10 Decimal 638524645
12 Duodecimal 159a106b1
16 Hexadecimal 260f1ce5
20 Vigesimal 9jafbc5
36 Base36 ak5srp

Cryptographic Hash Functions

md5 54c8900936ef8df099b127eafe2220ec
sha1 6ac35968aab53268acdc5713c665c3a9de85fe4e
sha256 15adc9bfa37ceb652827f40bf2132be86e2a7c3c141b0cd530d47c22f2541355
sha512 3d1f24a9b3b491461d977bffd8d6c9a40862d9d1e2a1611994bffb7554551ab7ba4fa0b06e7fa5e3f344620304bdf237cf9298ce04ddad3066420afe26b43192
ripemd-160 3f9234e51981a5e649adb34242afe7af49ac93f6

638524645 as geometric shapes

Circle

Radius = n
Diameter 1277049290
Circumference 4011968667.7361
Area 1.2808704346586E+18

Sphere

Radius = n
Volume 1.0904897861085E+27
Surface area 5.1234817386346E+18
Circumference 4011968667.7361

Square

Length = n
Perimeter 2554098580
Area 407713722272376025
Diagonal 903010212.86847

Cube

Length = n
Surface area 2446282333634256150
Volume 2.603352597756E+26
Space diagonal 1105957127.0249

Equilateral Triangle

Length = n
Perimeter 1915573935
Area 1.765452204797E+17
Altitude 552978563.51244

Triangular Pyramid

Length = n
Surface area 1.765452204797E+17
Volume 3.0680804594881E+25
Height 301003404.28949