28166985 (number)

28166985 is an odd 8-digits composite number following 28166984 and preceding 28166986. In scientific notation, it is written as 2.8166985 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors. There are 11689920 positive integers (up to 28166985) that are relatively prime to 28166985.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-six thousand nine hundred eighty-five

Notation

Scientific notation 2.8166985 × 10^7
Engineering notation 2.8166985 × 10^6

Prime Factorization of 28166985

Prime Factorization 3 × 5 × 3 × 11 × 11 × 7 × 739

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 853545
Product of the distinct prime numbers

The prime factorization of 28166985 is 3 × 5 × 3 × 11 × 11 × 7 × 739. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 3, 51, 92, 519, 962, 9312, 2485, 96847, 26391, 663126, 264972, 7980182, 158895, 56776418, 70043503, 668736030, 905106623, 1454774174, 3925994701

Basic calculations (n = 28166985)

Multiplication

n×y
n×2 56333970
n×3 84500955
n×4 112667940
n×5 140834925

Division

n÷y
n÷2 14083492.5
n÷3 9388995
n÷3 7041746.25
n÷5 5633397

Exponentiation

ny
n2 793379043990225
n3 2.2347095631387E+22
n4 6.2945030744284E+29
n5 1.7729717367988E+37

Nth Root

y√n
2√n 5307.257766493
3√n 304.26134972729
4√n 72.850928384565
5√n 30.899259557437

Divisors of 28166985

1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 315, 363, 385, 495, 605, 693, 739, 847, 1089, 1155, 1815, 2217, 2541, 3465, 3695, 4235, 5173, 5445, 6651, 7623, 8129, 11085, 12705, 15519, 24387, 25865, 33255, 38115, 40645, 46557, 56903, 73161, 77595, 89419, 121935, 170709, 232785, 268257, 284515, 365805, 447095, 512127, 625933, 804771, 853545, 1341285, 1877799, 2560635, 3129665, 4023855, 5633397, 9388995, 28166985

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28166984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28166985 can be divided by 72 positive divisors. The sum of these divisors (counting 28166985) is 1, the average is 0.013888888888889.

Base conversion 28166985

Base System Value
2 Binary 1101011011100101101001001
3 Ternary 1222000000211200
4 Quaternary 1223130231021
5 Quinary 24202320420
6 Senary 2443414413
8 Octal 153345511
10 Decimal 28166985
12 Duodecimal 9524409
16 Hexadecimal 1adcb49
20 Vigesimal 8g0h95
36 Base36 grps9

Cryptographic Hash Functions

md5 8e2eba6110bd93a1a49429639bd60f33
sha1 364cf3e6b5af7a5d4a0e6fbde526a2fab96daff7
sha256 57c7e078ee77681eaa22742b27d8f89b79a1ccbcbf10cbe074a2e63efff48eb0
sha512 9731f69e35cdd658362446e8a8e8f8cea44cfe81df51da19b445b98775356f76a24a10cca05919710326af8d989b370c6cf5608054fe9f43d26de873707c5297
ripemd-160 6f42129a3d7c0042d2546ee0e06615afd413b089

28166985 as geometric shapes

Circle

Radius = n
Diameter 56333970
Circumference 176978386.29955
Area 2.4924737761118E+15

Sphere

Radius = n
Volume 9.3607295286179E+22
Surface area 9.9698951044471E+15
Circumference 176978386.29955

Square

Length = n
Perimeter 112667940
Area 793379043990225
Diagonal 39834132.19816

Cube

Length = n
Surface area 4760274263941350
Volume 2.2347095631387E+22
Space diagonal 48786649.11603

Equilateral Triangle

Length = n
Perimeter 84500955
Area 3.4354320346287E+14
Altitude 24393324.558015

Triangular Pyramid

Length = n
Surface area 3.4354320346287E+14
Volume 2.6336304767963E+21
Height 13278044.066053