28691884 is an even 8-digits composite number following 28691883
and preceding 28691885 . In scientific notation, it is written as 2.8691884 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 13242384 positive integers (up to 28691884) that are relatively prime to 28691884.
28691884 has 12 divisors, whose sum is 54073264
The reverse of 28691884 is 48819682
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million six hundred ninety-one thousand eight hundred eighty-four
Scientific notation
2.8691884 × 10^7
Engineering notation
2.8691884 × 10^6
Prime Factorization
2 × 2 × 13 × 551767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14345942
Product of the distinct prime numbers
The prime factorization of 28691884 is 2 × 2 × 13 × 551767.
Since it has a total of 4 prime factors.
8 , 9 , 38 , 67 , 275 , 21 , 9490 , 3533 , 39786 , 92253 , 831677 , 96244 , 4765940 , 243246 , 59356423 , 98396948 , 405051306 , 665755857 , 3815730499 , 9225696505
n×2
57383768
n×3
86075652
n×4
114767536
n×5
143459420
n÷2
14345942
n÷3
9563961.3333333
n÷3
7172971
n÷5
5738376.8
n2
823224207469456
n3
2.3619853466706E+22
n4
6.7769809576371E+29
n5
1.9444435150673E+37
2 √n
5356.4805609654
3 √n
306.13972572836
4 √n
73.187980987081
5 √n
31.013573722147
1 , 2 , 4 , 13 , 26 , 52 , 551767 , 1103534 , 2207068 , 7172971 , 14345942 , 28691884
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
-28691883
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 28691884 can be divided by 12 positive divisors.
The sum of these divisors (counting 28691884) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101011100110110101100
3
Ternary
1222222200212101
4
Quaternary
1231130312230
5
Quinary
24321120014
6
Senary
2502544444
8
Octal
155346654
10
Decimal
28691884
12
Duodecimal
9738124
16
Hexadecimal
1b5cdac
20
Vigesimal
8j69e4
36
Base36
h2yss
md5
c763985d2e30ffa64b45230744f4aabc
sha1
f92d1b290ed3d6221cd98d4483439ac1296dbb2e
sha256
abc8c48ddc9055490ce3a1e376c39ada9c3c7f31e3cdaeafdd1b175ff079561d
sha512
37996f24c9e75fe3c544a9db189ad3b674e28357da74a9ce1850117d5a3e5ed457edabb11a496993bee00b94ab7487f585c516f81c5a4dea5a89947d5d5b17f6
ripemd-160
c19df027971087b198d8a10675ebbe7a73c50cfb
Diameter
57383768
Circumference
180276423.9841
Area
2.5862351224433E+15
Volume
9.8938610839826E+22
Surface area
1.0344940489773E+16
Circumference
180276423.9841
Perimeter
114767536
Area
823224207469456
Diagonal
40576451.482836
Surface area
4939345244816736
Volume
2.3619853466706E+22
Space diagonal
49695800.852873
Perimeter
86075652
Area
3.5646653833943E+14
Altitude
24847900.426436
Surface area
3.5646653833943E+14
Volume
2.7836264261567E+21
Height
13525483.827612