639804939 (number)

639804939 is an odd 9-digits composite number following 639804938 and preceding 639804940. In scientific notation, it is written as 6.39804939 × 10^8. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 412332480 positive integers (up to 639804939) that are relatively prime to 639804939.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million eight hundred four thousand nine hundred thirty-nine

Notation

Scientific notation 6.39804939 × 10^8
Engineering notation 6.39804939 × 10^6

Prime Factorization of 639804939

Prime Factorization 3 × 31 × 1087 × 6329

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 639804939
Product of the distinct prime numbers

The prime factorization of 639804939 is 3 × 31 × 1087 × 6329. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 64, 57, 789, 263, 5600, 3034, 51399, 65509, 882484, 704991, 982832, 9797041, 72960524, 78052867, 775867402, 25074435, 2225143622, 4138443907

Basic calculations (n = 639804939)

Multiplication

n×y
n×2 1279609878
n×3 1919414817
n×4 2559219756
n×5 3199024695

Division

n÷y
n÷2 319902469.5
n÷3 213268313
n÷3 159951234.75
n÷5 127960987.8

Exponentiation

ny
n2 409350359968793721
n3 2.6190438208946E+26
n4 1.6756771720658E+35
n5 1.0721065308573E+44

Nth Root

y√n
2√n 25294.365756033
3√n 861.68631582798
4√n 159.04202512554
5√n 57.704478126279

Divisors of 639804939

1, 3, 31, 93, 1087, 3261, 6329, 18987, 33697, 101091, 196199, 588597, 6879623, 20638869, 213268313, 639804939

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 -639804938
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 639804939 can be divided by 16 positive divisors. The sum of these divisors (counting 639804939) is 1, the average is 0.0625.

Base conversion 639804939

Base System Value
2 Binary 100110001000101010011000001011
3 Ternary 1122120220110101020
4 Quaternary 212020222120023
5 Quinary 2302242224224
6 Senary 143253123523
8 Octal 4610523013
10 Decimal 639804939
12 Duodecimal 15a3295a3
16 Hexadecimal 2622a60b
20 Vigesimal 9jifc6j
36 Base36 akx8nf

Cryptographic Hash Functions

md5 c90743f05e1b9733ead80519e258bc93
sha1 d37e64e27ec6bbd744f73abbc2fea8fd11c66c9f
sha256 48719b15eb232e745ee7226dc49e93930ada0a514f92f06d3956c96ed65dca24
sha512 d492cf62c2eb3f49213d500d87bd97f18b0272aff7b3a939bf04e19b97f37087725908981fa3f898b75dfc83df8c3af360e8aac534e428b54d653a9e5dd1986f
ripemd-160 1ed25e3778132de6ee0d36033d0bdea8ba0b7924

639804939 as geometric shapes

Circle

Radius = n
Diameter 1279609878
Circumference 4020012992.1857
Area 1.2860120836223E+18

Sphere

Radius = n
Volume 1.097062510287E+27
Surface area 5.1440483344892E+18
Circumference 4020012992.1857

Square

Length = n
Perimeter 2559219756
Area 409350359968793721
Diagonal 904820822.00709

Cube

Length = n
Surface area 2456102159812762326
Volume 2.6190438208946E+26
Space diagonal 1108174661.2815

Equilateral Triangle

Length = n
Perimeter 1919414817
Area 1.7725390539064E+17
Altitude 554087330.64075

Triangular Pyramid

Length = n
Surface area 1.7725390539064E+17
Volume 3.0865727432989E+25
Height 301606940.66903