28123722 is an even 8-digits composite number following 28123721
and preceding 28123723 . In scientific notation, it is written as 2.8123722 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 8522280 positive integers (up to 28123722) that are relatively prime to 28123722.
28123722 has 24 divisors, whose sum is 66474720
The reverse of 28123722 is 22732182
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million one hundred twenty-three thousand seven hundred twenty-two
Scientific notation
2.8123722 × 10^7
Engineering notation
2.8123722 × 10^6
Prime Factorization
2 × 3 × 3 × 11 × 142039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9374574
Product of the distinct prime numbers
The prime factorization of 28123722 is 2 × 3 × 3 × 11 × 142039.
Since it has a total of 5 prime factors.
8 , 5 , 71 , 22 , 753 , 5 , 3387 , 2789 , 83083 , 11441 , 809999 , 536309 , 3393873 , 2956511 , 11568656 , 54062827 , 682072205 , 74319 , 8010417547 , 7727034806
n×2
56247444
n×3
84371166
n×4
112494888
n×5
140618610
n÷2
14061861
n÷3
9374574
n÷3
7030930.5
n÷5
5624744.4
n2
790943739133284
n3
2.2244281837025E+22
n4
6.2559199847414E+29
n5
1.7593975450511E+37
2 √n
5303.1803665348
3 √n
304.10549345459
4 √n
72.822938464022
5 √n
30.889761794561
1 , 2 , 3 , 6 , 9 , 11 , 18 , 22 , 33 , 66 , 99 , 198 , 142039 , 284078 , 426117 , 852234 , 1278351 , 1562429 , 2556702 , 3124858 , 4687287 , 9374574 , 14061861 , 28123722
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28123721
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28123722 can be divided by 24 positive divisors.
The sum of these divisors (counting 28123722) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011010010001001001010
3
Ternary
1221220211111100
4
Quaternary
1223102021022
5
Quinary
24144424342
6
Senary
2442442230
8
Octal
153221112
10
Decimal
28123722
12
Duodecimal
9503376
16
Hexadecimal
1ad224a
20
Vigesimal
8ff962
36
Base36
gqsei
md5
dbb60a498c84ff5b54d01cb365ec26e6
sha1
3e5bfdfcec6bf47f3c9ccd546cc3297f1807972e
sha256
3cf5c5070fee0c344a84bc95ee5cc56745f3b1813d25d2e3926b9c101de5f0d0
sha512
00f91883ee11d31d40924b8cf9924f3896ef7b68fa186d9f2a752e92687fab6ac3ddbda4e04b5edff5bd21bdc385ca32bcfd860e653e5b8a16b58a48a25cd152
ripemd-160
f11137a999be29a802f8f981dd9cd47b544ebda4
Diameter
56247444
Circumference
176706556.8536
Area
2.484823040264E+15
Volume
9.3176629871438E+22
Surface area
9.9392921610559E+15
Circumference
176706556.8536
Perimeter
112494888
Area
790943739133284
Diagonal
39772949.076811
Surface area
4745662434799704
Volume
2.2244281837025E+22
Space diagonal
48711715.401943
Perimeter
84371166
Area
3.4248868552684E+14
Altitude
24355857.700971
Surface area
3.4248868552684E+14
Volume
2.6215137549309E+21
Height
13257649.69227