638811085 (number)

638811085 is an odd 9-digits composite number following 638811084 and preceding 638811086. In scientific notation, it is written as 6.38811085 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 444389440 positive integers (up to 638811085) that are relatively prime to 638811085.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred eleven thousand eighty-five

Notation

Scientific notation 6.38811085 × 10^8
Engineering notation 6.38811085 × 10^6

Prime Factorization of 638811085

Prime Factorization 5 × 11 × 23 × 504989

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638811085
Product of the distinct prime numbers

The prime factorization of 638811085 is 5 × 11 × 23 × 504989. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 64, 34, 994, 137, 5542, 781, 83364, 44423, 980609, 183517, 7464714, 478558, 97929332, 4432803, 651290027, 299374428, 7861763167, 9344043945

Basic calculations (n = 638811085)

Multiplication

n×y
n×2 1277622170
n×3 1916433255
n×4 2555244340
n×5 3194055425

Division

n÷y
n÷2 319405542.5
n÷3 212937028.33333
n÷3 159702771.25
n÷5 127762217

Exponentiation

ny
n2 408079602318877225
n3 2.6068577352369E+26
n4 1.6652896182873E+35
n5 1.0638054678974E+44

Nth Root

y√n
2√n 25274.712362359
3√n 861.23991195651
4√n 158.98022632503
5√n 57.686539692122

Divisors of 638811085

1, 5, 11, 23, 55, 115, 253, 1265, 504989, 2524945, 5554879, 11614747, 27774395, 58073735, 127762217, 638811085

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 -638811084
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 638811085 can be divided by 16 positive divisors. The sum of these divisors (counting 638811085) is 1, the average is 0.0625.

Base conversion 638811085

Base System Value
2 Binary 100110000100110111101111001101
3 Ternary 1122112000222001211
4 Quaternary 212010313233031
5 Quinary 2302013423320
6 Senary 143215534421
8 Octal 4604675715
10 Decimal 638811085
12 Duodecimal 159b2a411
16 Hexadecimal 26137bcd
20 Vigesimal 9jcb7e5
36 Base36 akbxsd

Cryptographic Hash Functions

md5 4ccfa2bdce106234aba9473c2a22699d
sha1 5b52aabfa6fe5d86227c51783d48a799731f18ae
sha256 f4d91ba31fa01b141d74ec5798e75b6475ac4a5e185fe373b768a4790784b67f
sha512 08d0c977b420aa470b2ba714f19a2c92bfcfc448f37a055de2aa7ec79cec41b934065f42ce1a11a3d2d1993df0f12aa363e5475f0040604460592a9fa10cf245
ripemd-160 91278163b405b588736023ea00711528fcc140e1

638811085 as geometric shapes

Circle

Radius = n
Diameter 1277622170
Circumference 4013768423.3354
Area 1.2820198807248E+18

Sphere

Radius = n
Volume 1.0919580146632E+27
Surface area 5.1280795228993E+18
Circumference 4013768423.3354

Square

Length = n
Perimeter 2555244340
Area 408079602318877225
Diagonal 903415300.20127

Cube

Length = n
Surface area 2448477613913263350
Volume 2.6068577352369E+26
Space diagonal 1106453255.6582

Equilateral Triangle

Length = n
Perimeter 1916433255
Area 1.767036511872E+17
Altitude 553226627.8291

Triangular Pyramid

Length = n
Surface area 1.767036511872E+17
Volume 3.0722113036244E+25
Height 301138433.40042