638778849 (number)

638778849 is an odd 9-digits composite number following 638778848 and preceding 638778850. In scientific notation, it is written as 6.38778849 × 10^8. The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors. There are 425852564 positive integers (up to 638778849) that are relatively prime to 638778849.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million seven hundred seventy-eight thousand eight hundred forty-nine

Notation

Scientific notation 6.38778849 × 10^8
Engineering notation 6.38778849 × 10^6

Prime Factorization of 638778849

Prime Factorization 3 × 212926283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638778849
Product of the distinct prime numbers

The prime factorization of 638778849 is 3 × 212926283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 41, 91, 605, 422, 6330, 9996, 89115, 21466, 726498, 943488, 3322403, 6709463, 57318890, 79459808, 256657578, 477013543, 4392942843, 57897620

Basic calculations (n = 638778849)

Multiplication

n×y
n×2 1277557698
n×3 1916336547
n×4 2555115396
n×5 3193894245

Division

n÷y
n÷2 319389424.5
n÷3 212926283
n÷3 159694712.25
n÷5 127755769.8

Exponentiation

ny
n2 408038417929764801
n3 2.6064631095296E+26
n4 1.6649535050663E+35
n5 1.0635370836047E+44

Nth Root

y√n
2√n 25274.074641814
3√n 861.22542494177
4√n 158.97822065243
5√n 57.685957479047

Divisors of 638778849

1, 3, 212926283, 638778849

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 -638778848
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 638778849 can be divided by 4 positive divisors. The sum of these divisors (counting 638778849) is 1, the average is 0.25.

Base conversion 638778849

Base System Value
2 Binary 100110000100101111110111100001
3 Ternary 1122111222022211220
4 Quaternary 212010233313201
5 Quinary 2302011410344
6 Senary 143215125253
8 Octal 4604576741
10 Decimal 638778849
12 Duodecimal 159b13829
16 Hexadecimal 2612fde1
20 Vigesimal 9jc7729
36 Base36 akb8wx

Cryptographic Hash Functions

md5 7ef708804b0fe7f9c46911cbb620b8f3
sha1 190e30ba57b78d463e3e0f53a6453f439a7f40b2
sha256 44ab0b548033e77bd47df2f8c59bf90c008c64e09ade83af91db82bca96c42e1
sha512 04e9ca67c8b454fe44ab320cdbc26251811e0484af63e359e79ae83807fc976e7eb0445a0e3561057ccaff5f4d7de2ec5d4d6c862b3732a4db597134bc67c83a
ripemd-160 5261cf3c6948d25fc5e9dd415b7dba419662ea8a

638778849 as geometric shapes

Circle

Radius = n
Diameter 1277557698
Circumference 4013565878.5739
Area 1.2818904961506E+18

Sphere

Radius = n
Volume 1.0917927142335E+27
Surface area 5.1275619846022E+18
Circumference 4013565878.5739

Square

Length = n
Perimeter 2555115396
Area 408038417929764801
Diagonal 903369711.61288

Cube

Length = n
Surface area 2448230507578588806
Volume 2.6064631095296E+26
Space diagonal 1106397421.2684

Equilateral Triangle

Length = n
Perimeter 1916336547
Area 1.7668581782359E+17
Altitude 553198710.63418

Triangular Pyramid

Length = n
Surface area 1.7668581782359E+17
Volume 3.0717462327682E+25
Height 301123237.20429