638443388 (number)

638443388 is an even 9-digits composite number following 638443387 and preceding 638443389. In scientific notation, it is written as 6.38443388 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 280839600 positive integers (up to 638443388) that are relatively prime to 638443388.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred forty-three thousand three hundred eighty-eight

Notation

Scientific notation 6.38443388 × 10^8
Engineering notation 6.38443388 × 10^6

Prime Factorization of 638443388

Prime Factorization 2 × 2 × 341 × 468067

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 319221694
Product of the distinct prime numbers

The prime factorization of 638443388 is 2 × 2 × 341 × 468067. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 14, 75, 728, 251, 8602, 6800, 75335, 9769, 21579, 449858, 5645806, 2092973, 23724023, 41564013, 79500383, 746850102, 5993756851, 1334143098

Basic calculations (n = 638443388)

Multiplication

n×y
n×2 1276886776
n×3 1915330164
n×4 2553773552
n×5 3192216940

Division

n÷y
n÷2 319221694
n÷3 212814462.66667
n÷3 159610847
n÷5 127688677.6

Exponentiation

ny
n2 407609959680918544
n3 2.6023588364123E+26
n4 1.6614587923108E+35
n5 1.0607473803853E+44

Nth Root

y√n
2√n 25267.43730575
3√n 861.07463820668
4√n 158.95734429635
5√n 57.679897336222

Divisors of 638443388

1, 2, 4, 341, 682, 1364, 468067, 936134, 1872268, 159610847, 319221694, 638443388

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638443387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638443388 can be divided by 12 positive divisors. The sum of these divisors (counting 638443388) is 1, the average is 0.083333333333333.

Base conversion 638443388

Base System Value
2 Binary 100110000011011101111101111100
3 Ternary 1122111100021200102
4 Quaternary 212003131331330
5 Quinary 2301420142023
6 Senary 143204020232
8 Octal 4603357574
10 Decimal 638443388
12 Duodecimal 159991678
16 Hexadecimal 260ddf7c
20 Vigesimal 9ja5898
36 Base36 ak422k

Cryptographic Hash Functions

md5 1e315941886f0a0fba4c9fdddd19d08f
sha1 18438df6ee1b0a8809c0ffdff3392e17012ea747
sha256 c4472e38e5be49d85b096f475c23b80f649754e5c50067e10bbc1eb9a5837dd5
sha512 64aaaa59c9b433247961cab5b8277e0560dbf41a3bf938dcf43c05501294704bf01c4cba05d7137026af9f77e370a37d18d91bdce980d13efeb91f5c3af917d2
ripemd-160 8afb329f5eabcc8e6d8b820b0100fd40f156d0d1

638443388 as geometric shapes

Circle

Radius = n
Diameter 1276886776
Circumference 4011458114.9476
Area 1.2805444548636E+18

Sphere

Radius = n
Volume 1.0900735203303E+27
Surface area 5.1221778194544E+18
Circumference 4011458114.9476

Square

Length = n
Perimeter 2553773552
Area 407609959680918544
Diagonal 902895298.11703

Cube

Length = n
Surface area 2445659758085511264
Volume 2.6023588364123E+26
Space diagonal 1105816385.7724

Equilateral Triangle

Length = n
Perimeter 1915330164
Area 1.7650028995961E+17
Altitude 552908192.8862

Triangular Pyramid

Length = n
Surface area 1.7650028995961E+17
Volume 3.0669093005131E+25
Height 300965099.37234