28131884 (number)

28131884 is an even 8-digits composite number following 28131883 and preceding 28131885. In scientific notation, it is written as 2.8131884 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 12787200 positive integers (up to 28131884) that are relatively prime to 28131884.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8131884 × 10^7
Engineering notation 2.8131884 × 10^6

Prime Factorization of 28131884

Prime Factorization 2 × 2 × 11 × 639361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14065942
Product of the distinct prime numbers

The prime factorization of 28131884 is 2 × 2 × 11 × 639361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 98, 40, 583, 922, 2447, 535, 9762, 33242, 51915, 669114, 8637888, 1853764, 24488696, 61828019, 881706894, 813150499, 6483739408, 9061903786

Basic calculations (n = 28131884)

Multiplication

n×y
n×2 56263768
n×3 84395652
n×4 112527536
n×5 140659420

Division

n÷y
n÷2 14065942
n÷3 9377294.6666667
n÷3 7032971
n÷5 5626376.8

Exponentiation

ny
n2 791402897389456
n3 2.2263654506624E+22
n4 6.2631854599643E+29
n5 1.761952068302E+37

Nth Root

y√n
2√n 5303.9498489333
3√n 304.13490953447
4√n 72.828221514282
5√n 30.891554537163

Divisors of 28131884

1, 2, 4, 11, 22, 44, 639361, 1278722, 2557444, 7032971, 14065942, 28131884

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28131883
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28131884 can be divided by 12 positive divisors. The sum of these divisors (counting 28131884) is 1, the average is 0.083333333333333.

Base conversion 28131884

Base System Value
2 Binary 1101011010100001000101100
3 Ternary 1221221020200122
4 Quaternary 1223110020230
5 Quinary 24200210014
6 Senary 2442544112
8 Octal 153241054
10 Decimal 28131884
12 Duodecimal 9508038
16 Hexadecimal 1ad422c
20 Vigesimal 8fg9e4
36 Base36 gqyp8

Cryptographic Hash Functions

md5 86bf31e145e6ca0db14b1f5183a0daf9
sha1 aec398242f631864d739130fefe75e1a019d27fc
sha256 9f96e2f9ba21145f4aadbc87752d557af20df313b1b85e9500d0dc4a8fceb08d
sha512 4421ccaccd81d9313e0ca43c728441d0697dd3b355b5f4c65bf1e840165ce1c5bd711f2db3680a78ba0e880030f4efad7c0d3549da5933e009f336185e1a3b2a
ripemd-160 a6a52b6c62ef07dd421bbcfdfa895fe5f9c2f0b4

28131884 as geometric shapes

Circle

Radius = n
Diameter 56263768
Circumference 176757840.21208
Area 2.4862655284684E+15

Sphere

Radius = n
Volume 9.3257777920095E+22
Surface area 9.9450621138736E+15
Circumference 176757840.21208

Square

Length = n
Perimeter 112527536
Area 791402897389456
Diagonal 39784491.887907

Cube

Length = n
Surface area 4748417384336736
Volume 2.2263654506624E+22
Space diagonal 48725852.400634

Equilateral Triangle

Length = n
Perimeter 84395652
Area 3.4268750688394E+14
Altitude 24362926.200317

Triangular Pyramid

Length = n
Surface area 3.4268750688394E+14
Volume 2.6237968459381E+21
Height 13261497.295969