638007645 (number)

638007645 is an odd 9-digits composite number following 638007644 and preceding 638007646. In scientific notation, it is written as 6.38007645 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 309336960 positive integers (up to 638007645) that are relatively prime to 638007645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38007645 × 10^8
Engineering notation 6.38007645 × 10^6

Prime Factorization of 638007645

Prime Factorization 5 × 3 × 11 × 3866713

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638007645
Product of the distinct prime numbers

The prime factorization of 638007645 is 5 × 3 × 11 × 3866713. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 58, 74, 747, 738, 6342, 8, 45370, 51683, 144742, 543434, 8904505, 864013, 68841378, 76111520, 245450522, 591327404, 9351998937, 1642910409

Basic calculations (n = 638007645)

Multiplication

n×y
n×2 1276015290
n×3 1914022935
n×4 2552030580
n×5 3190038225

Division

n÷y
n÷2 319003822.5
n÷3 212669215
n÷3 159501911.25
n÷5 127601529

Exponentiation

ny
n2 407053755078446025
n3 2.5970340766601E+26
n4 1.6569275952346E+35
n5 1.0571324729712E+44

Nth Root

y√n
2√n 25258.813214401
3√n 860.87869672034
4√n 158.93021491963
5√n 57.67202178254

Divisors of 638007645

1, 3, 5, 11, 15, 33, 55, 165, 3866713, 11600139, 19333565, 42533843, 58000695, 127601529, 212669215, 638007645

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 -638007644
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 638007645 can be divided by 16 positive divisors. The sum of these divisors (counting 638007645) is 1, the average is 0.0625.

Base conversion 638007645

Base System Value
2 Binary 100110000001110011100101011101
3 Ternary 1122110112010221210
4 Quaternary 212001303211131
5 Quinary 2301312221040
6 Senary 143150415033
8 Octal 4601634535
10 Decimal 638007645
12 Duodecimal 159801479
16 Hexadecimal 2607395d
20 Vigesimal 9j7aj25
36 Base36 ajupul

Cryptographic Hash Functions

md5 36aa726b9bdb97199bd0cc1971f2e308
sha1 29c83298507ee57f273a7bc2814e1fd235996d51
sha256 7beb7571d0b8381b2dffaa1c4a85a7fa8f174d2a37e2b5e122369b4e138fb306
sha512 369c821b40248922e219e0f2943d1c8007965c541582abccf51971e8f2b916e0d0bf5067039f1f41c304a2a99d0e547c29009ee2a09104ea916ae4bd16610250
ripemd-160 310d529c206038fc2afe86b5bed1732f3268060a

638007645 as geometric shapes

Circle

Radius = n
Diameter 1276015290
Circumference 4008720260.9322
Area 1.2787970865706E+18

Sphere

Radius = n
Volume 1.087843090181E+27
Surface area 5.1151883462823E+18
Circumference 4008720260.9322

Square

Length = n
Perimeter 2552030580
Area 407053755078446025
Diagonal 902279064.45672

Cube

Length = n
Surface area 2442322530470676150
Volume 2.5970340766601E+26
Space diagonal 1105061656.7574

Equilateral Triangle

Length = n
Perimeter 1914022935
Area 1.7625944630189E+17
Altitude 552530828.37868

Triangular Pyramid

Length = n
Surface area 1.7625944630189E+17
Volume 3.0606340109648E+25
Height 300759688.15224