638861268 (number)

638861268 is an even 9-digits composite number following 638861267 and preceding 638861269. In scientific notation, it is written as 6.38861268 × 10^8. The sum of its digits is 48. It has a total of 6 prime factors and 36 positive divisors. There are 206080560 positive integers (up to 638861268) that are relatively prime to 638861268.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38861268 × 10^8
Engineering notation 6.38861268 × 10^6

Prime Factorization of 638861268

Prime Factorization 2 × 2 × 31 × 3 × 31 × 55399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10304214
Product of the distinct prime numbers

The prime factorization of 638861268 is 2 × 2 × 31 × 3 × 31 × 55399. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638861268)

Multiplication

n×y
n×2 1277722536
n×3 1916583804
n×4 2555445072
n×5 3194306340

Division

n÷y
n÷2 319430634
n÷3 212953756
n÷3 159715317
n÷5 127772253.6

Exponentiation

ny
n2 408143719750567824
n3 2.6074721432608E+26
n4 1.6658129597183E+35
n5 1.0642233796965E+44

Nth Root

y√n
2√n 25275.705094023
3√n 861.26246347021
4√n 158.98334848034
5√n 57.687445998455

Divisors of 638861268

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638861267
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638861268 can be divided by 36 positive divisors. The sum of these divisors (counting 638861268) is 1, the average is 0.027777777777778.

Base conversion 638861268

Base System Value
2 Binary 100110000101000011111111010100
3 Ternary 1122112010111220110
4 Quaternary 212011003333110
5 Quinary 2302022030033
6 Senary 143221003020
8 Octal 4605037724
10 Decimal 638861268
12 Duodecimal 159b53470
16 Hexadecimal 26143fd4
20 Vigesimal 9jchd38
36 Base36 akd0ic

Cryptographic Hash Functions

md5 8d81c65f18314083456e1b0d3541d321
sha1 60ede376d0435fad36a14829700b60677beb0c55
sha256 9c1656159865aabd389866ae3c4a54bb0255bcc51e7978c981630d35b3469d99
sha512 4d7683c435982f439fc7b2659b3982e8ca512639a3e29aac1ed043b9e124d9e2f4dfb9631ce094dfe84dd14d9b4456b44db9b8f8121f0c42bea6cd26127d2f03
ripemd-160 95b4f17c0a963e22912c8685702db234752f4980

638861268 as geometric shapes

Circle

Radius = n
Diameter 1277722536
Circumference 4014083732.4237
Area 1.2822213115772E+18

Sphere

Radius = n
Volume 1.0922153772944E+27
Surface area 5.1288852463088E+18
Circumference 4014083732.4237

Square

Length = n
Perimeter 2555445072
Area 408143719750567824
Diagonal 903486269.68047

Cube

Length = n
Surface area 2448862318503406944
Volume 2.6074721432608E+26
Space diagonal 1106540175.1639

Equilateral Triangle

Length = n
Perimeter 1916583804
Area 1.7673141484953E+17
Altitude 553270087.58194

Triangular Pyramid

Length = n
Surface area 1.7673141484953E+17
Volume 3.0729353904246E+25
Height 301162089.89349