638745947 (number)

638745947 is an odd 9-digits composite number following 638745946 and preceding 638745948. In scientific notation, it is written as 6.38745947 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 510720000 positive integers (up to 638745947) that are relatively prime to 638745947.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million seven hundred forty-five thousand nine hundred forty-seven

Notation

Scientific notation 6.38745947 × 10^8
Engineering notation 6.38745947 × 10^6

Prime Factorization of 638745947

Prime Factorization 7 × 17 × 113 × 47501

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638745947
Product of the distinct prime numbers

The prime factorization of 638745947 is 7 × 17 × 113 × 47501. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 89, 24, 521, 81, 9071, 6116, 21374, 88014, 107941, 258866, 4018911, 8263988, 40691736, 23635378, 330979403, 661427626, 4799501961, 785534773

Basic calculations (n = 638745947)

Multiplication

n×y
n×2 1277491894
n×3 1916237841
n×4 2554983788
n×5 3193729735

Division

n÷y
n÷2 319372973.5
n÷3 212915315.66667
n÷3 159686486.75
n÷5 127749189.4

Exponentiation

ny
n2 407996384808926809
n3 2.6060603718735E+26
n4 1.6646105001715E+35
n5 1.0632632103182E+44

Nth Root

y√n
2√n 25273.423729285
3√n 861.21063812079
4√n 158.97617346409
5√n 57.685363213134

Divisors of 638745947

1, 7, 17, 113, 119, 791, 1921, 13447, 47501, 332507, 807517, 5367613, 5652619, 37573291, 91249421, 638745947

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 -638745946
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 638745947 can be divided by 16 positive divisors. The sum of these divisors (counting 638745947) is 1, the average is 0.0625.

Base conversion 638745947

Base System Value
2 Binary 100110000100100111110101011011
3 Ternary 1122111220122201022
4 Quaternary 212010213311123
5 Quinary 2302004332242
6 Senary 143214313055
8 Octal 4604476533
10 Decimal 638745947
12 Duodecimal 159ab878b
16 Hexadecimal 26127d5b
20 Vigesimal 9jc34h7
36 Base36 akajiz

Cryptographic Hash Functions

md5 7459ce69c66f568f096abc29d9db06d2
sha1 e9b47092536b59e407953657546e82dfe154115d
sha256 6620415949d5066181747dddb166f342b50b9a9a8f5bf216cc78ced55a85d06b
sha512 979f592796934f6209c51a467388daa4cee775ef96e2e56d388ab6658b00b4ed5230d20bfc84c89fcb15e55273d7d41a305a6c5bdcba5c6508a7113647b66814
ripemd-160 37dcbadc1abf3d1172ce5464b68f5011d9a9bc52

638745947 as geometric shapes

Circle

Radius = n
Diameter 1277491894
Circumference 4013359149.2109
Area 1.2817584452069E+18

Sphere

Radius = n
Volume 1.0916240158786E+27
Surface area 5.1270337808277E+18
Circumference 4013359149.2109

Square

Length = n
Perimeter 2554983788
Area 407996384808926809
Diagonal 903323181.15825

Cube

Length = n
Surface area 2447978308853560854
Volume 2.6060603718735E+26
Space diagonal 1106340433.3327

Equilateral Triangle

Length = n
Perimeter 1916237841
Area 1.7666761694837E+17
Altitude 553170216.66635

Triangular Pyramid

Length = n
Surface area 1.7666761694837E+17
Volume 3.0712716018889E+25
Height 301107727.05275