638863861 (number)

638863861 is an odd 9-digits prime number following 638863860 and preceding 638863862. In scientific notation, it is written as 6.38863861 × 10^8. The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors. There are 638863860 positive integers (up to 638863861) that are relatively prime to 638863861.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38863861 × 10^8
Engineering notation 6.38863861 × 10^6

Prime Factorization of 638863861

Prime Factorization 638863861

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 638863861
Product of the distinct prime numbers

The prime factorization of 638863861 is 638863861. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 6, 91, 14, 283, 642, 1323, 9069, 21720, 2278, 7724, 301823, 1551678, 8432651, 18077229, 15184640, 216890751, 301291955, 3608434550, 7536001622

Basic calculations (n = 638863861)

Multiplication

n×y
n×2 1277727722
n×3 1916591583
n×4 2555455444
n×5 3194319305

Division

n÷y
n÷2 319431930.5
n÷3 212954620.33333
n÷3 159715965.25
n÷5 127772772.2

Exponentiation

ny
n2 408147032891827321
n3 2.6075038928897E+26
n4 1.665840004584E+35
n5 1.0642449771368E+44

Nth Root

y√n
2√n 25275.756388286
3√n 861.26362869479
4√n 158.98350979987
5√n 57.687492826558

Divisors of 638863861

1, 638863861

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 638863862
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 319431931
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25275.756408068
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999968694
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638863861 can be divided by 2 positive divisors. The sum of these divisors (counting 638863861) is 638863862, the average is 319431931.

Base conversion 638863861

Base System Value
2 Binary 100110000101000100100111110101
3 Ternary 1122112010122110111
4 Quaternary 212011010213311
5 Quinary 2302022120421
6 Senary 143221023021
8 Octal 4605044765
10 Decimal 638863861
12 Duodecimal 159b54a71
16 Hexadecimal 261449f5
20 Vigesimal 9jchjd1
36 Base36 akd2id

Cryptographic Hash Functions

md5 74cf34a7116160ec9db3ae15b7cc5fe9
sha1 6dae17a295c7f970c9a8ca069b04e70a912e2889
sha256 d339db20e148199b69d79012c4e5be1c1fd2243c15d94f2d42b0695e663ef221
sha512 f7da705404b29709f283063afa330455ca56953f77f39473b893bbc9ad3e0101dcd774fe0e7be9def7a7d004331c61c216d72fe1c2d4524342c5f9017c349a78
ripemd-160 f29c6cb2a209c48f35b4f018e60c85c71f843dbb

638863861 as geometric shapes

Circle

Radius = n
Diameter 1277727722
Circumference 4014100024.7232
Area 1.2822317201174E+18

Sphere

Radius = n
Volume 1.0922286765479E+27
Surface area 5.1289268804697E+18
Circumference 4014100024.7232

Square

Length = n
Perimeter 2555455444
Area 408147032891827321
Diagonal 903489936.73624

Cube

Length = n
Surface area 2448882197350963926
Volume 2.6075038928897E+26
Space diagonal 1106544666.3716

Equilateral Triangle

Length = n
Perimeter 1916591583
Area 1.7673284948178E+17
Altitude 553272333.18581

Triangular Pyramid

Length = n
Surface area 1.7673284948178E+17
Volume 3.072972807721E+25
Height 301163312.24541