639451880 (number)

639451880 is an even 9-digits composite number following 639451879 and preceding 639451881. In scientific notation, it is written as 6.39451880 × 10^8. The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors. There are 247529280 positive integers (up to 639451880) that are relatively prime to 639451880.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million four hundred fifty-one thousand eight hundred eighty

Notation

Scientific notation 6.39451880 × 10^8
Engineering notation 6.39451880 × 10^6

Prime Factorization of 639451880

Prime Factorization 2 × 2 × 2 × 155 × 515687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159862970
Product of the distinct prime numbers

The prime factorization of 639451880 is 2 × 2 × 2 × 155 × 515687. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639451880)

Multiplication

n×y
n×2 1278903760
n×3 1918355640
n×4 2557807520
n×5 3197259400

Division

n÷y
n÷2 319725940
n÷3 213150626.66667
n÷3 159862970
n÷5 127890376

Exponentiation

ny
n2 408898706835534400
n3 2.6147104681555E+26
n4 1.6719815245177E+35
n5 1.0691517291781E+44

Nth Root

y√n
2√n 25287.385788175
3√n 861.52778725819
4√n 159.02007982697
5√n 57.698108189905

Divisors of 639451880

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 -639451879
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 639451880 can be divided by 16 positive divisors. The sum of these divisors (counting 639451880) is 1, the average is 0.0625.

Base conversion 639451880

Base System Value
2 Binary 100110000111010100001011101000
3 Ternary 1122120020112001222
4 Quaternary 212013110023220
5 Quinary 2302144430010
6 Senary 143241401212
8 Octal 4607241350
10 Decimal 639451880
12 Duodecimal 15a199208
16 Hexadecimal 261d42e8
20 Vigesimal 9jgb9e0
36 Base36 akpo88

Cryptographic Hash Functions

md5 e72306b8dd92712914df657761708066
sha1 dd12c71dc7ef158f3071e1f2a4fda6f002ae4832
sha256 5b50a64b35a46d95b447efdd14d4297e732aac48b8020545fad07ea10218bc4c
sha512 a7a182a45804acfeccdcdf6d0598b6f1a73e55260e5ab1c71da21ea67cdb612576efd60154223c5e912d60a3c135cdfa3fb1fb6cadf2765dede7bc69d7a8e42b
ripemd-160 a79b41efe7314214a09c1e159c662f6306ef4306

639451880 as geometric shapes

Circle

Radius = n
Diameter 1278903760
Circumference 4017794657.0644
Area 1.2845931734569E+18

Sphere

Radius = n
Volume 1.0952473597362E+27
Surface area 5.1383726938275E+18
Circumference 4017794657.0644

Square

Length = n
Perimeter 2557807520
Area 408898706835534400
Diagonal 904321521.18097

Cube

Length = n
Surface area 2453392241013206400
Volume 2.6147104681555E+26
Space diagonal 1107563145.1554

Equilateral Triangle

Length = n
Perimeter 1918355640
Area 1.7705833384709E+17
Altitude 553781572.57772

Triangular Pyramid

Length = n
Surface area 1.7705833384709E+17
Volume 3.0814658381204E+25
Height 301440507.06032