638613505 (number)

638613505 is an odd 9-digits composite number following 638613504 and preceding 638613506. In scientific notation, it is written as 6.38613505 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 510890800 positive integers (up to 638613505) that are relatively prime to 638613505.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38613505 × 10^8
Engineering notation 6.38613505 × 10^6

Prime Factorization of 638613505

Prime Factorization 5 × 127722701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638613505
Product of the distinct prime numbers

The prime factorization of 638613505 is 5 × 127722701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 5, 41, 36, 861, 242, 5276, 1057, 13494, 13207, 43262, 989019, 1236254, 6032147, 28337585, 72381787, 763496731, 60860338, 9471801831, 2257960333

Basic calculations (n = 638613505)

Multiplication

n×y
n×2 1277227010
n×3 1915840515
n×4 2554454020
n×5 3193067525

Division

n÷y
n÷2 319306752.5
n÷3 212871168.33333
n÷3 159653376.25
n÷5 127722701

Exponentiation

ny
n2 407827208768385025
n3 2.6044396322595E+26
n4 1.6632303221181E+35
n5 1.0621613456301E+44

Nth Root

y√n
2√n 25270.80341026
3√n 861.15111088406
4√n 158.96793201857
5√n 57.682970838314

Divisors of 638613505

1, 5, 127722701, 638613505

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 -638613504
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 638613505 can be divided by 4 positive divisors. The sum of these divisors (counting 638613505) is 1, the average is 0.25.

Base conversion 638613505

Base System Value
2 Binary 100110000100000111100000000001
3 Ternary 1122111122221001001
4 Quaternary 212010013200001
5 Quinary 2301441113010
6 Senary 143211412001
8 Octal 4604074001
10 Decimal 638613505
12 Duodecimal 159a54001
16 Hexadecimal 26107801
20 Vigesimal 9jb6df5
36 Base36 ak7pc1

Cryptographic Hash Functions

md5 99266e271d6731207ce1ad5d964df883
sha1 b46bb4b34cc2f2db897d697c9953427820b5b2e8
sha256 d4cac43bd5cc477abe1b36bd956ca4fbe28e5fe196a1d139cbc2a0a004be0457
sha512 f24093435790ff15ef6149dc7c17e4b25d7760286d8fdadcc6bf6139663d5be9dac067a69898c1664baed91703d3325d81ef82febdae8450a0ea24ff85bcd1a3
ripemd-160 e6e5d1c81b9cd05748fa2e871138755f58fd2133

638613505 as geometric shapes

Circle

Radius = n
Diameter 1277227010
Circumference 4012526991.5825
Area 1.2812269630008E+18

Sphere

Radius = n
Volume 1.0909451220566E+27
Surface area 5.1249078520032E+18
Circumference 4012526991.5825

Square

Length = n
Perimeter 2554454020
Area 407827208768385025
Diagonal 903135879.88562

Cube

Length = n
Surface area 2446963252610310150
Volume 2.6044396322595E+26
Space diagonal 1106111037.0596

Equilateral Triangle

Length = n
Perimeter 1915840515
Area 1.7659436157396E+17
Altitude 553055518.52982

Triangular Pyramid

Length = n
Surface area 1.7659436157396E+17
Volume 3.0693615419361E+25
Height 301045293.29521