638863900 (number)

638863900 is an even 9-digits composite number following 638863899 and preceding 638863901. In scientific notation, it is written as 6.38863900 × 10^8. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 249600960 positive integers (up to 638863900) that are relatively prime to 638863900.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-three thousand nine hundred

Notation

Scientific notation 6.38863900 × 10^8
Engineering notation 6.38863900 × 10^6

Prime Factorization of 638863900

Prime Factorization 2 × 2 × 25 × 43 × 148573

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319431950
Product of the distinct prime numbers

The prime factorization of 638863900 is 2 × 2 × 25 × 43 × 148573. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 68, 3, 954, 613, 2976, 6884, 90770, 1426, 571, 34503, 2897905, 5948574, 87720223, 27151928, 362695276, 989221575, 1269216574, 2929471104

Basic calculations (n = 638863900)

Multiplication

n×y
n×2 1277727800
n×3 1916591700
n×4 2555455600
n×5 3194319500

Division

n÷y
n÷2 319431950
n÷3 212954633.33333
n÷3 159715975
n÷5 127772780

Exponentiation

ny
n2 408147082723210000
n3 2.6075043704217E+26
n4 1.6658404113547E+35
n5 1.0642453019756E+44

Nth Root

y√n
2√n 25275.757159777
3√n 861.26364622032
4√n 158.98351222619
5√n 57.687493530874

Divisors of 638863900

1, 2, 4, 25, 43, 50, 86, 100, 172, 1075, 2150, 4300, 148573, 297146, 594292, 3714325, 6388639, 7428650, 12777278, 14857300, 25554556, 159715975, 319431950, 638863900

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638863899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638863900 can be divided by 24 positive divisors. The sum of these divisors (counting 638863900) is 1, the average is 0.041666666666667.

Base conversion 638863900

Base System Value
2 Binary 100110000101000100101000011100
3 Ternary 1122112010122111221
4 Quaternary 212011010220130
5 Quinary 2302022121100
6 Senary 143221023124
8 Octal 4605045034
10 Decimal 638863900
12 Duodecimal 159b54aa4
16 Hexadecimal 26144a1c
20 Vigesimal 9jchjf0
36 Base36 akd2jg

Cryptographic Hash Functions

md5 ae66487942e48ebe135389028c92180c
sha1 fbbf32988b96b6ae30596ae24db9daec969743f3
sha256 83550cf333d240216774f1ea83a323463a7056c85cf6732320566a977e84d052
sha512 bb3dbe461bc6967d077632526e15a5a43be9de8af0d4208a72f1adba4d7eb088c5f97bd3251ed46d92e0cc6730f46573f0dd862cbd7c9c3ce23eb1b4ab6ea6da
ripemd-160 ddc41d8033d59d2ec9efa57e949a2a9cda947c4b

638863900 as geometric shapes

Circle

Radius = n
Diameter 1277727800
Circumference 4014100269.7674
Area 1.2822318766673E+18

Sphere

Radius = n
Volume 1.092228876576E+27
Surface area 5.1289275066694E+18
Circumference 4014100269.7674

Square

Length = n
Perimeter 2555455600
Area 408147082723210000
Diagonal 903489991.89057

Cube

Length = n
Surface area 2448882496339260000
Volume 2.6075043704217E+26
Space diagonal 1106544733.9216

Equilateral Triangle

Length = n
Perimeter 1916591700
Area 1.767328710594E+17
Altitude 553272366.9608

Triangular Pyramid

Length = n
Surface area 1.767328710594E+17
Volume 3.0729733704979E+25
Height 301163330.63019