28291211 is an odd 8-digits composite number following 28291210
and preceding 28291212 . In scientific notation, it is written as 2.8291211 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 24931200 positive integers (up to 28291211) that are relatively prime to 28291211.
28291211 has 16 divisors, whose sum is 31872960
The reverse of 28291211 is 11219282
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-eight million two hundred ninety-one thousand two hundred eleven
Scientific notation
2.8291211 × 10^7
Engineering notation
2.8291211 × 10^6
Prime Factorization
29 × 101 × 13 × 743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28291211
Product of the distinct prime numbers
The prime factorization of 28291211 is 29 × 101 × 13 × 743.
Since it has a total of 4 prime factors.
5 , 7 , 8 , 50 , 10 , 666 , 337 , 600 , 58617 , 75124 , 644997 , 894144 , 1845406 , 9464988 , 90320448 , 46630925 , 502286650 , 83087160 , 2326691789 , 7270569504
n×2
56582422
n×3
84873633
n×4
113164844
n×5
141456055
n÷2
14145605.5
n÷3
9430403.6666667
n÷3
7072802.75
n÷5
5658242.2
n2
800392619846521
n3
2.2644076490921E+22
n4
6.4062834590478E+29
n5
1.8124151706573E+37
2 √n
5318.9482983011
3 √n
304.70799249064
4 √n
72.931120232046
5 √n
30.926466854632
1 , 13 , 29 , 101 , 377 , 743 , 1313 , 2929 , 9659 , 21547 , 38077 , 75043 , 280111 , 975559 , 2176247 , 28291211
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
-28291210
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 28291211 can be divided by 16 positive divisors.
The sum of these divisors (counting 28291211) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111011000010001011
3
Ternary
1222020100020122
4
Quaternary
1223323002023
5
Quinary
24220304321
6
Senary
2450213455
8
Octal
153730213
10
Decimal
28291211
12
Duodecimal
958428b
16
Hexadecimal
1afb08b
20
Vigesimal
8gg80b
36
Base36
gudmz
md5
26233fcff45a97269ab16d9343e3961c
sha1
28c7a02931da8155fcb15e1caaf7129acdaa0cbb
sha256
bebba9f8b657f05e1ca5b2782fcd6f1a0447e696f48f577a78ba5b47c407e906
sha512
2d6f4db7e021895689eade54d7ae4acdd1347a5250dfa52d25df385a74d124e030cf0dcf98983f0a35226f1a76ccd770abdbafb5e4ee170b132de4a9f61c3653
ripemd-160
2967d5a0abd847c4a65d63b579bee82fe3be0957
Diameter
56582422
Circumference
177758921.27752
Area
2.5145075744973E+15
Volume
9.4851285801602E+22
Surface area
1.0058030297989E+16
Circumference
177758921.27752
Perimeter
113164844
Area
800392619846521
Diagonal
40009814.292159
Surface area
4802355719079126
Volume
2.2644076490921E+22
Space diagonal
49001814.859651
Perimeter
84873633
Area
3.4658017089433E+14
Altitude
24500907.429826
Surface area
3.4658017089433E+14
Volume
2.6686300067395E+21
Height
13336604.764053