638859904 (number)

638859904 is an even 9-digits composite number following 638859903 and preceding 638859905. In scientific notation, it is written as 6.38859904 × 10^8. The sum of its digits is 52. It has a total of 10 prime factors and 64 positive divisors. There are 307353600 positive integers (up to 638859904) that are relatively prime to 638859904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38859904 × 10^8
Engineering notation 6.38859904 × 10^6

Prime Factorization of 638859904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31 × 233 × 691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 9982186
Product of the distinct prime numbers

The prime factorization of 638859904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31 × 233 × 691. Since it has a total of 10 prime factors.

Most popular turbo-numbers

4, 7, 48, 41, 33, 993, 4582, 4183, 88273, 26483, 198858, 615139, 3230762, 5326661, 57633026, 49527768, 789739722, 297550028, 5035555765, 9044056087

Basic calculations (n = 638859904)

Multiplication

n×y
n×2 1277719808
n×3 1916579712
n×4 2555439616
n×5 3194299520

Division

n÷y
n÷2 319429952
n÷3 212953301.33333
n÷3 159714976
n÷5 127771980.8

Exponentiation

ny
n2 408141976938889216
n3 2.6074554420555E+26
n4 1.6657987333958E+35
n5 1.0642120189006E+44

Nth Root

y√n
2√n 25275.678111576
3√n 861.26185052397
4√n 158.98326362097
5√n 57.687421365331

Divisors of 638859904

1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 233, 248, 466, 496, 691, 932, 992, 1382, 1864, 1984, 2764, 3728, 3968, 5528, 7223, 7456, 11056, 14446, 14912, 21421, 22112, 28892, 29824, 42842, 44224, 57784, 85684, 88448, 115568, 161003, 171368, 231136, 322006, 342736, 462272, 644012, 685472, 924544, 1288024, 1370944, 2576048, 2741888, 4991093, 5152096, 9982186, 10304192, 19964372, 20608384, 39928744, 79857488, 159714976, 319429952, 638859904

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638859903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638859904 can be divided by 64 positive divisors. The sum of these divisors (counting 638859904) is 1, the average is 0.015625.

Base conversion 638859904

Base System Value
2 Binary 100110000101000011101010000000
3 Ternary 1122112010110000221
4 Quaternary 212011003222000
5 Quinary 2302022004104
6 Senary 143220552424
8 Octal 4605035200
10 Decimal 638859904
12 Duodecimal 159b52714
16 Hexadecimal 26143a80
20 Vigesimal 9jch9f4
36 Base36 akczgg

Cryptographic Hash Functions

md5 8ff9025c2a20d7341364a825879b62e1
sha1 08b69d2fb09865a635ce0b641b39dee8a4bd8ddb
sha256 3a445c693ef00e7ddd3c1c66d5df81761dadac6a8e6fbdc8fcc84973341bb81d
sha512 9af32abc22238dd5d950f055ce7d7a18822bdb1d36d6b91c195288ece2f75f2e411298616d032913f1e1d3982c97db7eafce42564583ce5005b0d20a42129899
ripemd-160 55e85463cc4267e8539e83f26d30bdeac22ada9b

638859904 as geometric shapes

Circle

Radius = n
Diameter 1277719808
Circumference 4014075162.159
Area 1.2822158363728E+18

Sphere

Radius = n
Volume 1.0922083815099E+27
Surface area 5.1288633454913E+18
Circumference 4014075162.159

Square

Length = n
Perimeter 2555439616
Area 408141976938889216
Diagonal 903484340.69317

Cube

Length = n
Surface area 2448851861633335296
Volume 2.6074554420555E+26
Space diagonal 1106537812.6466

Equilateral Triangle

Length = n
Perimeter 1916579712
Area 1.7673066018994E+17
Altitude 553268906.32329

Triangular Pyramid

Length = n
Surface area 1.7673066018994E+17
Volume 3.0729157078653E+25
Height 301161446.89772