638531808 (number)

638531808 is an even 9-digits composite number following 638531807 and preceding 638531809. In scientific notation, it is written as 6.38531808 × 10^8. The sum of its digits is 42. It has a total of 8 prime factors and 48 positive divisors. There are 212660096 positive integers (up to 638531808) that are relatively prime to 638531808.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred thirty-one thousand eight hundred eight

Notation

Scientific notation 6.38531808 × 10^8
Engineering notation 6.38531808 × 10^6

Prime Factorization of 638531808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 1607 × 4139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 39908238
Product of the distinct prime numbers

The prime factorization of 638531808 is 2 × 2 × 2 × 2 × 2 × 3 × 1607 × 4139. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 9, 26, 58, 617, 52, 3082, 9626, 15292, 35957, 415443, 201563, 3870069, 8945196, 24944926, 12125309, 360209515, 891453991, 6382387388, 4043683711

Basic calculations (n = 638531808)

Multiplication

n×y
n×2 1277063616
n×3 1915595424
n×4 2554127232
n×5 3192659040

Division

n÷y
n÷2 319265904
n÷3 212843936
n÷3 159632952
n÷5 127706361.6

Exponentiation

ny
n2 407722869827748864
n3 2.6034402123406E+26
n4 1.6623793858058E+35
n5 1.0614821148005E+44

Nth Root

y√n
2√n 25269.186927956
3√n 861.11438733528
4√n 158.96284763414
5√n 57.68149490121

Divisors of 638531808

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 1607, 3214, 4139, 4821, 6428, 8278, 9642, 12417, 12856, 16556, 19284, 24834, 25712, 33112, 38568, 49668, 51424, 66224, 77136, 99336, 132448, 154272, 198672, 397344, 6651373, 13302746, 19954119, 26605492, 39908238, 53210984, 79816476, 106421968, 159632952, 212843936, 319265904, 638531808

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 -638531807
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 638531808 can be divided by 48 positive divisors. The sum of these divisors (counting 638531808) is 1, the average is 0.020833333333333.

Base conversion 638531808

Base System Value
2 Binary 100110000011110011100011100000
3 Ternary 1122111111202222020
4 Quaternary 212003303203200
5 Quinary 2301431004213
6 Senary 143205541440
8 Octal 4603634340
10 Decimal 638531808
12 Duodecimal 159a14880
16 Hexadecimal 260f38e0
20 Vigesimal 9jag9a8
36 Base36 ak5yao

Cryptographic Hash Functions

md5 91d1d928355207f888d3253b741c3619
sha1 5efd310cb30fd7a1f2491808fea5e95bb91d958b
sha256 ebb6d57646fc243a6f1657605ebfdaeeae288d31cdddbcdeb3cce5650afc14d4
sha512 e9335f64f2a6ce0e9b042461f96c87c5d0b336a994bc8003bcca5199bfd5613e70f9bcb6d980d43b5fb3ca88a5c152b422662cce51eca331be8c34be83775633
ripemd-160 46912264be761e9959fd208da28c7700e687a573

638531808 as geometric shapes

Circle

Radius = n
Diameter 1277063616
Circumference 4012013674.1924
Area 1.2808991725514E+18

Sphere

Radius = n
Volume 1.0905264860199E+27
Surface area 5.1235966902056E+18
Circumference 4012013674.1924

Square

Length = n
Perimeter 2554127232
Area 407722869827748864
Diagonal 903020342.88021

Cube

Length = n
Surface area 2446337218966493184
Volume 2.6034402123406E+26
Space diagonal 1105969533.7048

Equilateral Triangle

Length = n
Perimeter 1915595424
Area 1.7654918148736E+17
Altitude 552984766.85241

Triangular Pyramid

Length = n
Surface area 1.7654918148736E+17
Volume 3.0681837142663E+25
Height 301006780.96007