638545644 (number)

638545644 is an even 9-digits composite number following 638545643 and preceding 638545645. In scientific notation, it is written as 6.38545644 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 185644800 positive integers (up to 638545644) that are relatively prime to 638545644.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38545644 × 10^8
Engineering notation 6.38545644 × 10^6

Prime Factorization of 638545644

Prime Factorization 2 × 2 × 603 × 11 × 587 × 41

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319272822
Product of the distinct prime numbers

The prime factorization of 638545644 is 2 × 2 × 603 × 11 × 587 × 41. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 2, 44, 98, 132, 670, 885, 2599, 22504, 30232, 809000, 124641, 5083385, 7293479, 79081716, 69074748, 329908236, 634392148, 4699748442, 7844901688

Basic calculations (n = 638545644)

Multiplication

n×y
n×2 1277091288
n×3 1915636932
n×4 2554182576
n×5 3192728220

Division

n÷y
n÷2 319272822
n÷3 212848548
n÷3 159636411
n÷5 127709128.8

Exponentiation

ny
n2 407740539471374736
n3 2.6036094536166E+26
n4 1.6625234752841E+35
n5 1.0615971231904E+44

Nth Root

y√n
2√n 25269.460698638
3√n 861.12060696416
4√n 158.96370874712
5√n 57.681744872859

Divisors of 638545644

1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 587, 603, 902, 1174, 1206, 1804, 2348, 2412, 6457, 6633, 12914, 13266, 24067, 24723, 25828, 26532, 48134, 49446, 96268, 98892, 264737, 271953, 353961, 529474, 543906, 707922, 1058948, 1087812, 1415844, 3893571, 7787142, 14512401, 15574284, 29024802, 58049604, 159636411, 319272822, 638545644

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638545643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638545644 can be divided by 48 positive divisors. The sum of these divisors (counting 638545644) is 1, the average is 0.020833333333333.

Base conversion 638545644

Base System Value
2 Binary 100110000011110110111011101100
3 Ternary 1122111112110221200
4 Quaternary 212003312323230
5 Quinary 2301431430034
6 Senary 143210125500
8 Octal 4603667354
10 Decimal 638545644
12 Duodecimal 159a20890
16 Hexadecimal 260f6eec
20 Vigesimal 9jai424
36 Base36 ak68z0

Cryptographic Hash Functions

md5 fb2cb1ec884fb9fd67ed1cc3bf85046c
sha1 92bf4712c90f602c824010c7283a2e5def51cfa7
sha256 baf83c65244742e2394cd47cdd14b205fa011156690dda599c4c2f5cd37a601f
sha512 acca03d101f01529f3a617990f490613ded3c76874f47a02d5bf7827b9905fe1fb0286b855a8707aab390f7afca74c13ad9793a92384bac7a8947d01b815a5d5
ripemd-160 195ece292e6898c71e8fa61cf3dd64d52cc09ab7

638545644 as geometric shapes

Circle

Radius = n
Diameter 1277091288
Circumference 4012100608.3443
Area 1.280954683374E+18

Sphere

Radius = n
Volume 1.0905973776398E+27
Surface area 5.123818733496E+18
Circumference 4012100608.3443

Square

Length = n
Perimeter 2554182576
Area 407740539471374736
Diagonal 903039909.93906

Cube

Length = n
Surface area 2446443236828248416
Volume 2.6036094536166E+26
Space diagonal 1105993498.3598

Equilateral Triangle

Length = n
Perimeter 1915636932
Area 1.7655683266749E+17
Altitude 552996749.17989

Triangular Pyramid

Length = n
Surface area 1.7655683266749E+17
Volume 3.0683831670228E+25
Height 301013303.31302