638605775 (number)

638605775 is an odd 9-digits composite number following 638605774 and preceding 638605776. In scientific notation, it is written as 6.38605775 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 510884600 positive integers (up to 638605775) that are relatively prime to 638605775.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred five thousand seven hundred seventy-five

Notation

Scientific notation 6.38605775 × 10^8
Engineering notation 6.38605775 × 10^6

Prime Factorization of 638605775

Prime Factorization 25 × 25544231

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638605775
Product of the distinct prime numbers

The prime factorization of 638605775 is 25 × 25544231. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 86, 87, 519, 740, 4570, 5488, 65065, 67139, 384084, 610352, 1468887, 6842472, 33963934, 21829230, 358652403, 60299471, 4324521927, 675888962

Basic calculations (n = 638605775)

Multiplication

n×y
n×2 1277211550
n×3 1915817325
n×4 2554423100
n×5 3193028875

Division

n÷y
n÷2 319302887.5
n÷3 212868591.66667
n÷3 159651443.75
n÷5 127721155

Exponentiation

ny
n2 407817335863350625
n3 2.6043450582745E+26
n4 1.6631497943068E+35
n5 1.0620970633344E+44

Nth Root

y√n
2√n 25270.6504665
3√n 861.14763631251
4√n 158.9674509656
5√n 57.682831194689

Divisors of 638605775

1, 25, 25544231, 638605775

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638605774
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638605775 can be divided by 4 positive divisors. The sum of these divisors (counting 638605775) is 1, the average is 0.25.

Base conversion 638605775

Base System Value
2 Binary 100110000100000101100111001111
3 Ternary 1122111122112102202
4 Quaternary 212010011213033
5 Quinary 2301440341100
6 Senary 143211312115
8 Octal 4604054717
10 Decimal 638605775
12 Duodecimal 159a4b63b
16 Hexadecimal 261059cf
20 Vigesimal 9jb5e8f
36 Base36 ak7jdb

Cryptographic Hash Functions

md5 782f4c1afe8ca0a7085efbe664a08e92
sha1 31231862ca212a0fe60b7a520e7834df3873572b
sha256 14bb858d802f876915ee8d26e23e0422270f53f86f4cd8ae7c3f55fa54187349
sha512 6bb5c2473ae7d15940862d066615263317af6f98e212f480cd6bb2079013f858b726edd982678789ebd25e240a530a1c8202415dfccef843a9fad647ee605e34
ripemd-160 cf314004fe9f15b7e7b1e0555326378ef5ac32d1

638605775 as geometric shapes

Circle

Radius = n
Diameter 1277211550
Circumference 4012478422.56
Area 1.2811959463549E+18

Sphere

Radius = n
Volume 1.0909055069984E+27
Surface area 5.1247837854195E+18
Circumference 4012478422.56

Square

Length = n
Perimeter 2554423100
Area 407817335863350625
Diagonal 903124948.01478

Cube

Length = n
Surface area 2446904015180103750
Volume 2.6043450582745E+26
Space diagonal 1106097648.3069

Equilateral Triangle

Length = n
Perimeter 1915817325
Area 1.7659008648068E+17
Altitude 553048824.15345

Triangular Pyramid

Length = n
Surface area 1.7659008648068E+17
Volume 3.069250085426E+25
Height 301041649.33826