639888902 (number)

639888902 is an even 9-digits composite number following 639888901 and preceding 639888903. In scientific notation, it is written as 6.39888902 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 314380320 positive integers (up to 639888902) that are relatively prime to 639888902.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million eight hundred eighty-eight thousand nine hundred two

Notation

Scientific notation 6.39888902 × 10^8
Engineering notation 6.39888902 × 10^6

Prime Factorization of 639888902

Prime Factorization 2 × 61 × 4013 × 1307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 639888902
Product of the distinct prime numbers

The prime factorization of 639888902 is 2 × 61 × 4013 × 1307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 28, 39, 129, 858, 6436, 5390, 1794, 52151, 979779, 860771, 8418189, 5841383, 54479207, 74340794, 254992884, 54672367, 9478858767, 7934029433

Basic calculations (n = 639888902)

Multiplication

n×y
n×2 1279777804
n×3 1919666706
n×4 2559555608
n×5 3199444510

Division

n÷y
n÷2 319944451
n÷3 213296300.66667
n÷3 159972225.5
n÷5 127977780.4

Exponentiation

ny
n2 409457806902765604
n3 2.6200750647434E+26
n4 1.6765569563362E+35
n5 1.0728101899304E+44

Nth Root

y√n
2√n 25296.025419026
3√n 861.72400783851
4√n 159.04724272689
5√n 57.705992583731

Divisors of 639888902

1, 2, 61, 122, 1307, 2614, 4013, 8026, 79727, 159454, 244793, 489586, 5244991, 10489982, 319944451, 639888902

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 -639888901
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 639888902 can be divided by 16 positive divisors. The sum of these divisors (counting 639888902) is 1, the average is 0.0625.

Base conversion 639888902

Base System Value
2 Binary 100110001000111110111000000110
3 Ternary 1122121001201112222
4 Quaternary 212020332320012
5 Quinary 2302302421102
6 Senary 143255012342
8 Octal 4610767006
10 Decimal 639888902
12 Duodecimal 15a36a0b2
16 Hexadecimal 2623ee06
20 Vigesimal 9jj6252
36 Base36 akz1fq

Cryptographic Hash Functions

md5 d2f38288d02a1c9683f0155312b52b20
sha1 eedc49016ed76eb074a173c0eb29ad7de7b594a5
sha256 801024a4b6f5bd149d7c7809aedf57e9cb6cd38062800b1b46aafbc37ed93502
sha512 bd6815313964b1615c393069c04d246df620c9f3f1eeed5aff9bb2135057476965812ee2ab739f061a7e279d63c6651150ad8a1df9384f886e37f44760626301
ripemd-160 2bf044ecd8ea910b6174f7688f69d3edc81c2280

639888902 as geometric shapes

Circle

Radius = n
Diameter 1279777804
Circumference 4020540547.2737
Area 1.2863496381207E+18

Sphere

Radius = n
Volume 1.0974944767002E+27
Surface area 5.1453985524829E+18
Circumference 4020540547.2737

Square

Length = n
Perimeter 2559555608
Area 409457806902765604
Diagonal 904939563.62043

Cube

Length = n
Surface area 2456746841416593624
Volume 2.6200750647434E+26
Space diagonal 1108320089.4635

Equilateral Triangle

Length = n
Perimeter 1919666706
Area 1.7730043127783E+17
Altitude 554160044.73173

Triangular Pyramid

Length = n
Surface area 1.7730043127783E+17
Volume 3.0877880758297E+25
Height 301646521.20681