638207897 (number)

638207897 is an odd 9-digits composite number following 638207896 and preceding 638207898. In scientific notation, it is written as 6.38207897 × 10^8. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 581611008 positive integers (up to 638207897) that are relatively prime to 638207897.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million two hundred seven thousand eight hundred ninety-seven

Notation

Scientific notation 6.38207897 × 10^8
Engineering notation 6.38207897 × 10^6

Prime Factorization of 638207897

Prime Factorization 17 × 59 × 67 × 9497

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638207897
Product of the distinct prime numbers

The prime factorization of 638207897 is 17 × 59 × 67 × 9497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 34, 51, 815, 679, 1987, 2596, 81346, 38221, 559036, 832796, 8639559, 3691695, 97596132, 7452380, 637543403, 940805195, 6185442334, 7753795829

Basic calculations (n = 638207897)

Multiplication

n×y
n×2 1276415794
n×3 1914623691
n×4 2552831588
n×5 3191039485

Division

n÷y
n÷2 319103948.5
n÷3 212735965.66667
n÷3 159551974.25
n÷5 127641579.4

Exponentiation

ny
n2 407309319793162609
n3 2.5994802441369E+26
n4 1.6590088199037E+35
n5 1.0587925300552E+44

Nth Root

y√n
2√n 25262.776905954
3√n 860.96875554066
4√n 158.94268434236
5√n 57.675641641367

Divisors of 638207897

1, 17, 59, 67, 1003, 1139, 3953, 9497, 67201, 161449, 560323, 636299, 9525491, 10817083, 37541641, 638207897

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 -638207896
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 638207897 can be divided by 16 positive divisors. The sum of these divisors (counting 638207897) is 1, the average is 0.0625.

Base conversion 638207897

Base System Value
2 Binary 100110000010100100011110011001
3 Ternary 1122110220022122112
4 Quaternary 212002210132121
5 Quinary 2301340123042
6 Senary 143155002105
8 Octal 4602443631
10 Decimal 638207897
12 Duodecimal 159899335
16 Hexadecimal 260a4799
20 Vigesimal 9j8fjeh
36 Base36 ajz0d5

Cryptographic Hash Functions

md5 b3576ea2f63f8460d740218ebfe92147
sha1 b170dd66726846a0b37675dccce5f4e56a3a25f8
sha256 122e667bd13bf1067a8a305916e3b55677ed52751f9ba2ccd67d041dcfe79003
sha512 1e35a2b2210398c5ec1dc0c1dccefa6fe56602e09a8f01c2651408e58822782fe2d5d1939dbbc6fa33d55f2b50b71d2764ba937ac0d69bd6b135fc4ea987b4d8
ripemd-160 5c3c8fe6a5dd3627e14aa476bb836b1e59440d1a

638207897 as geometric shapes

Circle

Radius = n
Diameter 1276415794
Circumference 4009978481.3564
Area 1.2795999668009E+18

Sphere

Radius = n
Volume 1.0888677384177E+27
Surface area 5.1183998672034E+18
Circumference 4009978481.3564

Square

Length = n
Perimeter 2552831588
Area 407309319793162609
Diagonal 902562263.55101

Cube

Length = n
Surface area 2443855918758975654
Volume 2.5994802441369E+26
Space diagonal 1105408503.3957

Equilateral Triangle

Length = n
Perimeter 1914623691
Area 1.7637010906952E+17
Altitude 552704251.69784

Triangular Pyramid

Length = n
Surface area 1.7637010906952E+17
Volume 3.0635168469828E+25
Height 300854087.85034