28665637 (number)

28665637 is an odd 8-digits composite number following 28665636 and preceding 28665638. In scientific notation, it is written as 2.8665637 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 20613600 positive integers (up to 28665637) that are relatively prime to 28665637.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-five thousand six hundred thirty-seven

Notation

Scientific notation 2.8665637 × 10^7
Engineering notation 2.8665637 × 10^6

Prime Factorization of 28665637

Prime Factorization 7 × 13 × 7 × 11 × 4091

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4095091
Product of the distinct prime numbers

The prime factorization of 28665637 is 7 × 13 × 7 × 11 × 4091. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 3, 67, 39, 351, 128, 7061, 7844, 46905, 42973, 789900, 42275, 168804, 9615176, 92663444, 14637982, 624922728, 203671492, 7473848555, 3272309523

Basic calculations (n = 28665637)

Multiplication

n×y
n×2 57331274
n×3 85996911
n×4 114662548
n×5 143328185

Division

n÷y
n÷2 14332818.5
n÷3 9555212.3333333
n÷3 7166409.25
n÷5 5733127.4

Exponentiation

ny
n2 821718744615769
n3 2.3555091249251E+22
n4 6.7522169525292E+29
n5 1.9355660010645E+37

Nth Root

y√n
2√n 5354.0299775029
3√n 306.04634623457
4√n 73.171237364848
5√n 31.007897473818

Divisors of 28665637

1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 4091, 7007, 28637, 45001, 53183, 200459, 315007, 372281, 585013, 2205049, 2605967, 4095091, 28665637

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28665636
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28665637 can be divided by 24 positive divisors. The sum of these divisors (counting 28665637) is 1, the average is 0.041666666666667.

Base conversion 28665637

Base System Value
2 Binary 1101101010110011100100101
3 Ternary 1222221100212021
4 Quaternary 1231112130211
5 Quinary 24314300022
6 Senary 2502223141
8 Octal 155263445
10 Decimal 28665637
12 Duodecimal 9724ab1
16 Hexadecimal 1b56725
20 Vigesimal 8j341h
36 Base36 h2ejp

Cryptographic Hash Functions

md5 27ae1403cba571bb84e7c6b6c8710fd0
sha1 d701c2a9792d300f95f161bc7a01c203580b9c08
sha256 bab84abeb36cecc300d2e4d62d1acc4f007e295558ce5357176da8059438cea9
sha512 247ec95746dd56c9e1a12a4b08f481757c62f015ded62558434f301587264ca5d54c5a10a9d3e46a23c5d6f2ff8d1a8414aebb84ad56ca48ec319abec658e294
ripemd-160 4a64a2c4901992e8b3d51fa204516b29b9f06daa

28665637 as geometric shapes

Circle

Radius = n
Diameter 57331274
Circumference 180111509.21934
Area 2.5815055714019E+15

Sphere

Radius = n
Volume 9.8667335497714E+22
Surface area 1.0326022285608E+16
Circumference 180111509.21934

Square

Length = n
Perimeter 114662548
Area 821718744615769
Diagonal 40539332.619464

Cube

Length = n
Surface area 4930312467694614
Volume 2.3555091249251E+22
Space diagonal 49650339.715326

Equilateral Triangle

Length = n
Perimeter 85996911
Area 3.5581465380156E+14
Altitude 24825169.857663

Triangular Pyramid

Length = n
Surface area 3.5581465380156E+14
Volume 2.7759941256356E+21
Height 13513110.873155