638256985 (number)

638256985 is an odd 9-digits composite number following 638256984 and preceding 638256986. In scientific notation, it is written as 6.38256985 × 10^8. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 478430400 positive integers (up to 638256985) that are relatively prime to 638256985.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million two hundred fifty-six thousand nine hundred eighty-five

Notation

Scientific notation 6.38256985 × 10^8
Engineering notation 6.38256985 × 10^6

Prime Factorization of 638256985

Prime Factorization 1829 × 5 × 71 × 983

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638256985
Product of the distinct prime numbers

The prime factorization of 638256985 is 1829 × 5 × 71 × 983. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638256985)

Multiplication

n×y
n×2 1276513970
n×3 1914770955
n×4 2553027940
n×5 3191284925

Division

n÷y
n÷2 319128492.5
n÷3 212752328.33333
n÷3 159564246.25
n÷5 127651397

Exponentiation

ny
n2 407371978901290225
n3 2.6000801102702E+26
n4 1.6595192919395E+35
n5 1.0591997798227E+44

Nth Root

y√n
2√n 25263.748435258
3√n 860.99082888643
4√n 158.94574053827
5√n 57.676528842798

Divisors of 638256985

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 -638256984
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 638256985 can be divided by 16 positive divisors. The sum of these divisors (counting 638256985) is 1, the average is 0.0625.

Base conversion 638256985

Base System Value
2 Binary 100110000010110000011101011001
3 Ternary 1122110222210222121
4 Quaternary 212002300131121
5 Quinary 2301343210420
6 Senary 143200021241
8 Octal 4602603531
10 Decimal 638256985
12 Duodecimal 159901821
16 Hexadecimal 260b0759
20 Vigesimal 9j92295
36 Base36 ak028p

Cryptographic Hash Functions

md5 00bff99eb505662ae011d1c63a8b0401
sha1 32ec8399994218ded964b8b697f75bcdb4bf5d94
sha256 090525fac16c460dece8e0afda9dd88481da9b66878182264d93d07e4c22f579
sha512 f6fe83469b61a7cd4e44d515fe95d85f2d33ac37524df2e50bc51f4721b4a659b44d84f8ade84dfeb155d28e482f8cb26743f30005737a279d4d0790cc6f8808
ripemd-160 22d1df73998756b86d77ed623a1c5c38c2dd37bb

638256985 as geometric shapes

Circle

Radius = n
Diameter 1276513970
Circumference 4010286910.3567
Area 1.2797968161946E+18

Sphere

Radius = n
Volume 1.089119009756E+27
Surface area 5.1191872647785E+18
Circumference 4010286910.3567

Square

Length = n
Perimeter 2553027940
Area 407371978901290225
Diagonal 902631684.46636

Cube

Length = n
Surface area 2444231873407741350
Volume 2.6000801102702E+26
Space diagonal 1105493526.3057

Equilateral Triangle

Length = n
Perimeter 1914770955
Area 1.7639724125923E+17
Altitude 552746763.15286

Triangular Pyramid

Length = n
Surface area 1.7639724125923E+17
Volume 3.0642237960006E+25
Height 300877228.15545