28103691 is an odd 8-digits composite number following 28103690
and preceding 28103692 . In scientific notation, it is written as 2.8103691 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 14599200 positive integers (up to 28103691) that are relatively prime to 28103691.
28103691 has 16 divisors, whose sum is 46718208
The reverse of 28103691 is 19630182
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million one hundred three thousand six hundred ninety-one
Scientific notation
2.8103691 × 10^7
Engineering notation
2.8103691 × 10^6
Prime Factorization
3 × 7 × 11 × 121661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28103691
Product of the distinct prime numbers
The prime factorization of 28103691 is 3 × 7 × 11 × 121661.
Since it has a total of 4 prime factors.
1 , 6 , 24 , 12 , 853 , 611 , 6503 , 7628 , 42149 , 58598 , 595271 , 123770 , 9834605 , 8755066 , 21522611 , 53840079 , 122878124 , 480334261 , 9364329936 , 5170295116
n×2
56207382
n×3
84311073
n×4
112414764
n×5
140518455
n÷2
14051845.5
n÷3
9367897
n÷3
7025922.75
n÷5
5620738.2
n2
789817447823481
n3
2.219678550004E+22
n4
6.238116008864E+29
n5
1.7531408473527E+37
2 √n
5301.2914464308
3 √n
304.03327703013
4 √n
72.809968043056
5 √n
30.885360320422
1 , 3 , 7 , 11 , 21 , 33 , 77 , 231 , 121661 , 364983 , 851627 , 1338271 , 2554881 , 4014813 , 9367897 , 28103691
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
-28103690
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 28103691 can be divided by 16 positive divisors.
The sum of these divisors (counting 28103691) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011001101010000001011
3
Ternary
1221212211000110
4
Quaternary
1223031100023
5
Quinary
24143304231
6
Senary
2442205403
8
Octal
153152013
10
Decimal
28103691
12
Duodecimal
94b3863
16
Hexadecimal
1acd40b
20
Vigesimal
8fcj4b
36
Base36
gqcy3
md5
06b1b55ae766983db4a5af7808161043
sha1
8951574f5fef8a6b4f0798dcabbb878abebc0bef
sha256
c8ab585246f4d2a281f6cdb1bdd351b1cf478d59dd4a87b544df0dafe1447bbe
sha512
a3b277e1cbebda77b95d0c0d2039b497f0126d196038854c99487ffb9cb0edf4fd8c20e4ca4dd62937bfe802747892c58be76852a10705cba95952673d12426c
ripemd-160
39681bb7cd4d60199c4efbd0ce3a117b6e44ca47
Diameter
56207382
Circumference
176580698.36872
Area
2.4812846917593E+15
Volume
9.2977677680311E+22
Surface area
9.9251387670372E+15
Circumference
176580698.36872
Perimeter
112414764
Area
789817447823481
Diagonal
39744620.964943
Surface area
4738904686940886
Volume
2.219678550004E+22
Space diagonal
48677020.692216
Perimeter
84311073
Area
3.4200098708366E+14
Altitude
24338510.346108
Surface area
3.4200098708366E+14
Volume
2.6159162579369E+21
Height
13248206.988314