638540825 (number)

638540825 is an odd 9-digits composite number following 638540824 and preceding 638540826. In scientific notation, it is written as 6.38540825 × 10^8. The sum of its digits is 41. It has a total of 6 prime factors and 48 positive divisors. There are 434181120 positive integers (up to 638540825) that are relatively prime to 638540825.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38540825 × 10^8
Engineering notation 6.38540825 × 10^6

Prime Factorization of 638540825

Prime Factorization 5 × 5 × 13 × 17 × 47 × 2459

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 127708165
Product of the distinct prime numbers

The prime factorization of 638540825 is 5 × 5 × 13 × 17 × 47 × 2459. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 39, 99, 733, 451, 3742, 7827, 31691, 64775, 306266, 417565, 3333041, 1604603, 43437460, 38261311, 52117350, 537941423, 5294015560, 5577914907

Basic calculations (n = 638540825)

Multiplication

n×y
n×2 1277081650
n×3 1915622475
n×4 2554163300
n×5 3192704125

Division

n÷y
n÷2 319270412.5
n÷3 212846941.66667
n÷3 159635206.25
n÷5 127708165

Exponentiation

ny
n2 407734385191680625
n3 2.6035505070116E+26
n4 1.6624732886764E+35
n5 1.0615570652919E+44

Nth Root

y√n
2√n 25269.365346205
3√n 861.11844071304
4√n 158.96340882796
5√n 57.681657809649

Divisors of 638540825

1, 5, 13, 17, 25, 47, 65, 85, 221, 235, 325, 425, 611, 799, 1105, 1175, 2459, 3055, 3995, 5525, 10387, 12295, 15275, 19975, 31967, 41803, 51935, 61475, 115573, 159835, 209015, 259675, 543439, 577865, 799175, 1045075, 1502449, 1964741, 2717195, 2889325, 7512245, 9823705, 13585975, 25541633, 37561225, 49118525, 127708165, 638540825

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 -638540824
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 638540825 can be divided by 48 positive divisors. The sum of these divisors (counting 638540825) is 1, the average is 0.020833333333333.

Base conversion 638540825

Base System Value
2 Binary 100110000011110101110000011001
3 Ternary 1122111112020100012
4 Quaternary 212003311300121
5 Quinary 2301431301300
6 Senary 143210051305
8 Octal 4603656031
10 Decimal 638540825
12 Duodecimal 159a19b35
16 Hexadecimal 260f5c19
20 Vigesimal 9jahc15
36 Base36 ak6595

Cryptographic Hash Functions

md5 6225cc8c97a17a9f994ccab0d0015125
sha1 d4a4c8dd99dd99eeaf0417b08c31bcb9e2a577f0
sha256 1e3de5ce9af30ad14490ee1939f0ec88a14e30becba888bbc5e02da1c56d129c
sha512 0180ac7e4b299623d525923c6454ff9ea521e440f160c01818f9ab7a99e557f7994f3134ae79a3f72a16951baa4eb320bebd7d46b861cafcd4f3d6995785b1d1
ripemd-160 a81b6ea75be336c1488d046f167db40382c4c7be

638540825 as geometric shapes

Circle

Radius = n
Diameter 1277081650
Circumference 4012070329.6743
Area 1.2809353491341E+18

Sphere

Radius = n
Volume 1.0905726861437E+27
Surface area 5.1237413965365E+18
Circumference 4012070329.6743

Square

Length = n
Perimeter 2554163300
Area 407734385191680625
Diagonal 903033094.84391

Cube

Length = n
Surface area 2446406311150083750
Volume 2.6035505070116E+26
Space diagonal 1105985151.6069

Equilateral Triangle

Length = n
Perimeter 1915622475
Area 1.7655416778621E+17
Altitude 552992575.80347

Triangular Pyramid

Length = n
Surface area 1.7655416778621E+17
Volume 3.0683136977827E+25
Height 301011031.61464