638268081 (number)

638268081 is an odd 9-digits composite number following 638268080 and preceding 638268082. In scientific notation, it is written as 6.38268081 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 386829120 positive integers (up to 638268081) that are relatively prime to 638268081.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million two hundred sixty-eight thousand eighty-one

Notation

Scientific notation 6.38268081 × 10^8
Engineering notation 6.38268081 × 10^6

Prime Factorization of 638268081

Prime Factorization 33 × 19341457

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638268081
Product of the distinct prime numbers

The prime factorization of 638268081 is 33 × 19341457. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 23, 82, 237, 52, 5387, 8687, 80835, 21096, 520589, 746958, 9762339, 6282020, 64719120, 42744678, 122658316, 1401948, 826825221, 7562005453

Basic calculations (n = 638268081)

Multiplication

n×y
n×2 1276536162
n×3 1914804243
n×4 2553072324
n×5 3191340405

Division

n÷y
n÷2 319134040.5
n÷3 212756027
n÷3 159567020.25
n÷5 127653616.2

Exponentiation

ny
n2 407386143223422561
n3 2.6002157186121E+26
n4 1.6596346969045E+35
n5 1.0592918531543E+44

Nth Root

y√n
2√n 25263.968037504
3√n 860.99581825544
4√n 158.94643134561
5√n 57.676729380929

Divisors of 638268081

1, 33, 19341457, 638268081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638268080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638268081 can be divided by 4 positive divisors. The sum of these divisors (counting 638268081) is 1, the average is 0.25.

Base conversion 638268081

Base System Value
2 Binary 100110000010110011001010110001
3 Ternary 1122111000101012120
4 Quaternary 212002303022301
5 Quinary 2301344034311
6 Senary 143200144453
8 Octal 4602631261
10 Decimal 638268081
12 Duodecimal 159908129
16 Hexadecimal 260b32b1
20 Vigesimal 9j93a41
36 Base36 ak0asx

Cryptographic Hash Functions

md5 b718375565ace14da893fd872bfdcce1
sha1 92d805d14648f02ea0fb3bda0d82c958233f7fae
sha256 a7837614dec95ffabbca8f04c26ed3e3957515bd4dcba014c4bbd1dfb2cd3a41
sha512 0012ed793f7f6cfb63b97aee420089e88dfc7f90f189b15fbc91fc117e5d9f481b299f36c3bf563a7337d006ac0a430b482e3828a2c4ada53e417629e37f40d2
ripemd-160 a227f49eaed77bc0def1537866e6866f0bf7cb06

638268081 as geometric shapes

Circle

Radius = n
Diameter 1276536162
Circumference 4010356628.5809
Area 1.279841314725E+18

Sphere

Radius = n
Volume 1.0891758132454E+27
Surface area 5.1193652588999E+18
Circumference 4010356628.5809

Square

Length = n
Perimeter 2553072324
Area 407386143223422561
Diagonal 902647376.58005

Cube

Length = n
Surface area 2444316859340535366
Volume 2.6002157186121E+26
Space diagonal 1105512745.1415

Equilateral Triangle

Length = n
Perimeter 1914804243
Area 1.7640337459062E+17
Altitude 552756372.57074

Triangular Pyramid

Length = n
Surface area 1.7640337459062E+17
Volume 3.0643836119641E+25
Height 300882458.86002