638973887 (number)

638973887 is an odd 9-digits prime number following 638973886 and preceding 638973888. In scientific notation, it is written as 6.38973887 × 10^8. The sum of its digits is 59. It has a total of 1 prime factors and 2 positive divisors. There are 638973886 positive integers (up to 638973887) that are relatively prime to 638973887.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38973887 × 10^8
Engineering notation 6.38973887 × 10^6

Prime Factorization of 638973887

Prime Factorization 638973887

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 638973887
Product of the distinct prime numbers

The prime factorization of 638973887 is 638973887. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638973887)

Multiplication

n×y
n×2 1277947774
n×3 1916921661
n×4 2555895548
n×5 3194869435

Division

n÷y
n÷2 319486943.5
n÷3 212991295.66667
n÷3 159743471.75
n÷5 127794777.4

Exponentiation

ny
n2 408287628267888769
n3 2.6088513284834E+26
n4 1.6669878739662E+35
n5 1.06516172141E+44

Nth Root

y√n
2√n 25277.932807095
3√n 861.31306851984
4√n 158.99035444672
5√n 57.68947969333

Divisors of 638973887

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 638973888
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 319486944
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25277.932826875
Returns the nth root of the product of n divisors
H Harmonic Mean 1.99999999687
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638973887 can be divided by 2 positive divisors. The sum of these divisors (counting 638973887) is 638973888, the average is 319486944.

Base conversion 638973887

Base System Value
2 Binary 100110000101011111011110111111
3 Ternary 1122112100020101112
4 Quaternary 212011133132333
5 Quinary 2302034131022
6 Senary 143223232235
8 Octal 4605373677
10 Decimal 638973887
12 Duodecimal 159ba867b
16 Hexadecimal 2615f7bf
20 Vigesimal 9jdbee7
36 Base36 akffen

Cryptographic Hash Functions

md5 2c99033aa4a8cb1ca508594f71bfd3d5
sha1 c67c568cd980c42cb8f186b569b1697717a14866
sha256 283b0e160c17d7a60e0f04b9b8eae7e7d91d46272c30ba70face413a2acc1324
sha512 9400233b09b9c18bbf57facb43c2d8f2ad934fce9a6c1b3a30e9c52f5c51a167a508890d52fce6810f1883fc2c357b68676013a85eb34e47bd1a84f40881e0c9
ripemd-160 8426e8fced04b5e82440ee03c0367d99749039de

638973887 as geometric shapes

Circle

Radius = n
Diameter 1277947774
Circumference 4014791338.4698
Area 1.282673413518E+18

Sphere

Radius = n
Volume 1.0927930890495E+27
Surface area 5.130693654072E+18
Circumference 4014791338.4698

Square

Length = n
Perimeter 2555895548
Area 408287628267888769
Diagonal 903645536.99765

Cube

Length = n
Surface area 2449725769607332614
Volume 2.6088513284834E+26
Space diagonal 1106735236.9938

Equilateral Triangle

Length = n
Perimeter 1916921661
Area 1.7679372906544E+17
Altitude 553367618.49689

Triangular Pyramid

Length = n
Surface area 1.7679372906544E+17
Volume 3.074560775797E+25
Height 301215178.99922