638963785 (number)

638963785 is an odd 9-digits composite number following 638963784 and preceding 638963786. In scientific notation, it is written as 6.38963785 × 10^8. The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors. There are 465580800 positive integers (up to 638963785) that are relatively prime to 638963785.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred sixty-three thousand seven hundred eighty-five

Notation

Scientific notation 6.38963785 × 10^8
Engineering notation 6.38963785 × 10^6

Prime Factorization of 638963785

Prime Factorization 5 × 17 × 31 × 242491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638963785
Product of the distinct prime numbers

The prime factorization of 638963785 is 5 × 17 × 31 × 242491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 70, 5, 248, 455, 6719, 266, 99417, 12290, 405983, 980660, 5166096, 341353, 51146009, 50210007, 502642668, 735457888, 5368440774, 3045522074

Basic calculations (n = 638963785)

Multiplication

n×y
n×2 1277927570
n×3 1916891355
n×4 2555855140
n×5 3194818925

Division

n÷y
n÷2 319481892.5
n÷3 212987928.33333
n÷3 159740946.25
n÷5 127792757

Exponentiation

ny
n2 408274718541526225
n3 2.608727594791E+26
n4 1.6668824580016E+35
n5 1.0650775245148E+44

Nth Root

y√n
2√n 25277.73298775
3√n 861.30852945564
4√n 158.98972604464
5√n 57.68929728124

Divisors of 638963785

1, 5, 17, 31, 85, 155, 527, 2635, 242491, 1212455, 4122347, 7517221, 20611735, 37586105, 127792757, 638963785

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638963784
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638963785 can be divided by 16 positive divisors. The sum of these divisors (counting 638963785) is 1, the average is 0.0625.

Base conversion 638963785

Base System Value
2 Binary 100110000101011101000001001001
3 Ternary 1122112022201112101
4 Quaternary 212011131001021
5 Quinary 2302033320120
6 Senary 143223113401
8 Octal 4605350111
10 Decimal 638963785
12 Duodecimal 159ba2861
16 Hexadecimal 2615d049
20 Vigesimal 9jda995
36 Base36 akf7m1

Cryptographic Hash Functions

md5 32bf29ddad1060c54b634170b978907b
sha1 a758c24c5f3e559b73782b49d94b1d80ada776e5
sha256 d7ce5c78935283d37e7ff23e4ea140c0b0c2da63dbbc2e0c302bd7258673bc41
sha512 9097ab02d1b049158b52039cdee0f7396747cc435825a16f2c65e1fa2d924e88fc5c4bcbd38eed4b17fd3f8cd5c534a6b0fde609b546f5f122cebaabab7cbc25
ripemd-160 7bc0b1de1f136322c5504f41455baa143b6ec896

638963785 as geometric shapes

Circle

Radius = n
Diameter 1277927570
Circumference 4014727865.7319
Area 1.2826328564165E+18

Sphere

Radius = n
Volume 1.0927412596017E+27
Surface area 5.130531425666E+18
Circumference 4014727865.7319

Square

Length = n
Perimeter 2555855140
Area 408274718541526225
Diagonal 903631250.61225

Cube

Length = n
Surface area 2449648311249157350
Volume 2.608727594791E+26
Space diagonal 1106717739.8165

Equilateral Triangle

Length = n
Perimeter 1916891355
Area 1.7678813898995E+17
Altitude 553358869.90826

Triangular Pyramid

Length = n
Surface area 1.7678813898995E+17
Volume 3.074414954242E+25
Height 301210416.87075