28139904 (number)

28139904 is an even 8-digits composite number following 28139903 and preceding 28139905. In scientific notation, it is written as 2.8139904 × 10^7. The sum of its digits is 36. It has a total of 10 prime factors and 64 positive divisors. There are 8653824 positive integers (up to 28139904) that are relatively prime to 28139904.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-nine thousand nine hundred four

Notation

Scientific notation 2.8139904 × 10^7
Engineering notation 2.8139904 × 10^6

Prime Factorization of 28139904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 13 × 1879

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 439686
Product of the distinct prime numbers

The prime factorization of 28139904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 13 × 1879. Since it has a total of 10 prime factors.

Most popular turbo-numbers

8, 5, 54, 99, 276, 607, 2253, 5028, 87462, 26087, 217110, 232210, 9680029, 9157084, 73508098, 89554902, 673468556, 255785139, 9528806060, 3049618335

Basic calculations (n = 28139904)

Multiplication

n×y
n×2 56279808
n×3 84419712
n×4 112559616
n×5 140699520

Division

n÷y
n÷2 14069952
n÷3 9379968
n÷3 7034976
n÷5 5627980.8

Exponentiation

ny
n2 791854197129216
n3 2.2282701089213E+22
n4 6.2703306951116E+29
n5 1.7644650380869E+37

Nth Root

y√n
2√n 5304.705835388
3√n 304.16380830074
4√n 72.833411531989
5√n 30.893315684907

Divisors of 28139904

1, 2, 4, 8, 9, 13, 16, 18, 26, 32, 36, 52, 64, 72, 104, 117, 128, 144, 208, 234, 288, 416, 468, 576, 832, 936, 1152, 1664, 1872, 1879, 3744, 3758, 7488, 7516, 14976, 15032, 16911, 24427, 30064, 33822, 48854, 60128, 67644, 97708, 120256, 135288, 195416, 219843, 240512, 270576, 390832, 439686, 541152, 781664, 879372, 1082304, 1563328, 1758744, 2164608, 3126656, 3517488, 7034976, 14069952, 28139904

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 -28139903
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 28139904 can be divided by 64 positive divisors. The sum of these divisors (counting 28139904) is 1, the average is 0.015625.

Base conversion 28139904

Base System Value
2 Binary 1101011010110000110000000
3 Ternary 1221221122200200
4 Quaternary 1223112012000
5 Quinary 24200434104
6 Senary 2443045200
8 Octal 153260600
10 Decimal 28139904
12 Duodecimal 9510800
16 Hexadecimal 1ad6180
20 Vigesimal 8fh9f4
36 Base36 gr4w0

Cryptographic Hash Functions

md5 616d26c0d643ed2ab2009e6a6915c24f
sha1 3a358ff3f99cb729fcb52b5900bb751b7e618fb8
sha256 8aff824267c969f07ad3ba8448d6eb1df6c5766b0e7ff36aab47b226db7404a2
sha512 55f129f7769dca73038b9030557e48356ffeb0fbc54223524bf4db36a28aff5c7c6e79d69163aabe6b5a058fb01f3d1f4a6af26f2804e57f104a572c5f113994
ripemd-160 a2e0358bc723daaf792db10b2dd48f03b27cdc6c

28139904 as geometric shapes

Circle

Radius = n
Diameter 56279808
Circumference 176808231.35824
Area 2.4876833284154E+15

Sphere

Radius = n
Volume 9.3337560058679E+22
Surface area 9.9507333136616E+15
Circumference 176808231.35824

Square

Length = n
Perimeter 112559616
Area 791854197129216
Diagonal 39795833.880677

Cube

Length = n
Surface area 4751125182775296
Volume 2.2282701089213E+22
Space diagonal 48739743.448111

Equilateral Triangle

Length = n
Perimeter 84419712
Area 3.4288292540362E+14
Altitude 24369871.724055

Triangular Pyramid

Length = n
Surface area 3.4288292540362E+14
Volume 2.6260415072226E+21
Height 13265277.960226