28136985 (number)

28136985 is an odd 8-digits composite number following 28136984 and preceding 28136986. In scientific notation, it is written as 2.8136985 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 14781888 positive integers (up to 28136985) that are relatively prime to 28136985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8136985 × 10^7
Engineering notation 2.8136985 × 10^6

Prime Factorization of 28136985

Prime Factorization 3 × 5 × 67 × 27997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28136985
Product of the distinct prime numbers

The prime factorization of 28136985 is 3 × 5 × 67 × 27997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 87, 57, 512, 839, 2932, 6843, 53846, 92544, 938785, 476231, 6208256, 13329, 3529298, 44679068, 709757762, 508654522, 8608728359, 3620840076

Basic calculations (n = 28136985)

Multiplication

n×y
n×2 56273970
n×3 84410955
n×4 112547940
n×5 140684925

Division

n÷y
n÷2 14068492.5
n÷3 9378995
n÷3 7034246.25
n÷5 5627397

Exponentiation

ny
n2 791689924890225
n3 2.2275767541287E+22
n4 6.2677293717269E+29
n5 1.7635500731634E+37

Nth Root

y√n
2√n 5304.430695183
3√n 304.15329079438
4√n 72.831522675165
5√n 30.892674735098

Divisors of 28136985

1, 3, 5, 15, 67, 201, 335, 1005, 27997, 83991, 139985, 419955, 1875799, 5627397, 9378995, 28136985

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 -28136984
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 28136985 can be divided by 16 positive divisors. The sum of these divisors (counting 28136985) is 1, the average is 0.0625.

Base conversion 28136985

Base System Value
2 Binary 1101011010101011000011001
3 Ternary 1221221111200120
4 Quaternary 1223111120121
5 Quinary 24200340420
6 Senary 2443023453
8 Octal 153253031
10 Decimal 28136985
12 Duodecimal 950ab89
16 Hexadecimal 1ad5619
20 Vigesimal 8fh295
36 Base36 gr2mx

Cryptographic Hash Functions

md5 af5d6bdb3df499aa36decadbbfac9b12
sha1 068c16dfb62bd37c893f0b415c5f3ebe75a71b75
sha256 836e46c1be35ce989545f676043b603beaeb3707a1a1abbdd3897d495bac2cfc
sha512 9047567aff01fb4ab52382eb855ef58c47e969b705f663b5cc375ae8e1becd6e1ae550d106290e9c957b757f1b95990a1612a456444368e38721401376a10ce5
ripemd-160 ef57943030658ca7f3e3af9af57fd7a31796e9ba

28136985 as geometric shapes

Circle

Radius = n
Diameter 56273970
Circumference 176789890.74033
Area 2.4871672519562E+15

Sphere

Radius = n
Volume 9.3308516881043E+22
Surface area 9.9486690078247E+15
Circumference 176789890.74033

Square

Length = n
Perimeter 112547940
Area 791689924890225
Diagonal 39791705.791288

Cube

Length = n
Surface area 4750139549341350
Volume 2.2275767541287E+22
Space diagonal 48734687.591803

Equilateral Triangle

Length = n
Perimeter 84410955
Area 3.4281179343756E+14
Altitude 24367343.795902

Triangular Pyramid

Length = n
Surface area 3.4281179343756E+14
Volume 2.6252243807632E+21
Height 13263901.930429