28689212 is an even 8-digits composite number following 28689211
and preceding 28689213 . In scientific notation, it is written as 2.8689212 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 14327040 positive integers (up to 28689212) that are relatively prime to 28689212.
28689212 has 12 divisors, whose sum is 50267616
The reverse of 28689212 is 21298682
Previous prime number is 911
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million six hundred eighty-nine thousand two hundred twelve
Scientific notation
2.8689212 × 10^7
Engineering notation
2.8689212 × 10^6
Prime Factorization
2 × 2 × 911 × 7873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14344606
Product of the distinct prime numbers
The prime factorization of 28689212 is 2 × 2 × 911 × 7873.
Since it has a total of 4 prime factors.
10 , 6 , 36 , 46 , 186 , 238 , 1267 , 7339 , 91584 , 90003 , 840713 , 303679 , 979024 , 8754141 , 79134353 , 68570299 , 484042149 , 778366942 , 7096526248 , 9264959109
n×2
57378424
n×3
86067636
n×4
114756848
n×5
143446060
n÷2
14344606
n÷3
9563070.6666667
n÷3
7172303
n÷5
5737842.4
n2
823070885180944
n3
2.3613255115984E+22
n4
6.7744568203254E+29
n5
1.9435382790316E+37
2 √n
5356.2311376564
3 √n
306.13022210309
4 √n
73.186276976332
5 √n
31.012996058052
1 , 2 , 4 , 911 , 1822 , 3644 , 7873 , 15746 , 31492 , 7172303 , 14344606 , 28689212
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
-28689211
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 28689212 can be divided by 12 positive divisors.
The sum of these divisors (counting 28689212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101011100001100111100
3
Ternary
1222222120012102
4
Quaternary
1231130030330
5
Quinary
24321023322
6
Senary
2502524232
8
Octal
155341474
10
Decimal
28689212
12
Duodecimal
9736678
16
Hexadecimal
1b5c33c
20
Vigesimal
8j630c
36
Base36
h2wqk
md5
695a7599aff027ccc7c1777d030bbe93
sha1
45d26cb43657ab7d40cdf047f0a443d156d27188
sha256
152e88d50f6657f9cd37fd40dc76512dc170f22079ddaf2ca129d227b97891d9
sha512
332f0b51c04d503fa13ceecc3a03d0ca9da396cf111f9d077310b70bbeccaf17b3857c7e7f6cfa2596690e697eb413115702cd85393ee1cbad866627ba7e3329
ripemd-160
4a0fda29d76d124f43011b0f3486c86368a05c11
Diameter
57378424
Circumference
180259635.31296
Area
2.5857534462681E+15
Volume
9.8910971732955E+22
Surface area
1.0343013785072E+16
Circumference
180259635.31296
Perimeter
114756848
Area
823070885180944
Diagonal
40572672.704197
Surface area
4938425311085664
Volume
2.3613255115984E+22
Space diagonal
49691172.813115
Perimeter
86067636
Area
3.5640014784102E+14
Altitude
24845586.406557
Surface area
3.5640014784102E+14
Volume
2.7828488030667E+21
Height
13524224.234732