22128981 is an odd 8-digits composite number following 22128980
and preceding 22128982 . In scientific notation, it is written as 2.2128981 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 12616704 positive integers (up to 22128981) that are relatively prime to 22128981.
22128981 has 16 divisors, whose sum is 33796224
The reverse of 22128981 is 18982122
Previous prime number is 593
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-two million one hundred twenty-eight thousand nine hundred eighty-one
Scientific notation
2.2128981 × 10^7
Engineering notation
2.2128981 × 10^6
Prime Factorization
7 × 3 × 593 × 1777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
22128981
Product of the distinct prime numbers
The prime factorization of 22128981 is 7 × 3 × 593 × 1777.
Since it has a total of 4 prime factors.
8 , 5 , 76 , 78 , 641 , 907 , 9227 , 7323 , 92745 , 59760 , 587519 , 193434 , 9218662 , 9830328 , 72947613 , 19104775 , 288861738 , 439974124 , 4192168470 , 5405698276
n×2
44257962
n×3
66386943
n×4
88515924
n×5
110644905
n÷2
11064490.5
n÷3
7376327
n÷3
5532245.25
n÷5
4425796.2
n2
489691800098361
n3
1.0836380540232E+22
n4
2.3979805908357E+29
n5
5.3064866932973E+36
2 √n
4704.1450870482
3 √n
280.75045706326
4 √n
68.586770495834
5 √n
29.443693159159
1 , 3 , 7 , 21 , 593 , 1777 , 1779 , 4151 , 5331 , 12439 , 12453 , 37317 , 1053761 , 3161283 , 7376327 , 22128981
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
-22128980
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 22128981 can be divided by 16 positive divisors.
The sum of these divisors (counting 22128981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010100011010100101010101
3
Ternary
1112122021020220
4
Quaternary
1110122211111
5
Quinary
21131111411
6
Senary
2110144553
8
Octal
124324525
10
Decimal
22128981
12
Duodecimal
74b2159
16
Hexadecimal
151a955
20
Vigesimal
6i6291
36
Base36
d6atx
md5
2a8d0a1318c37f379d9eb9f037c763a9
sha1
1fa1b5ead890c2217dc5f7567acb5f3d884717c1
sha256
aad480a0c307aec6b0da0604d8d29439d453e42e4dfef31c6512058aee791c6f
sha512
efa2afcd567b1794530d75cfa9171956fb83db2722c6f700297bf486cdf2325c88ecb290b80419c0e4e95abd76f7370aa8401f2bfff7fa2e9acf76b2a16db5d4
ripemd-160
a3ed05ad222e8a2bf38b41671617a983e3484333
Diameter
44257962
Circumference
139040488.28206
Area
1.5384121617122E+15
Volume
4.5391324662263E+22
Surface area
6.1536486468487E+15
Circumference
139040488.28206
Perimeter
88515924
Area
489691800098361
Diagonal
31295105.051697
Surface area
2938150800590166
Volume
1.0836380540232E+22
Space diagonal
38328519.411726
Perimeter
66386943
Area
2.1204276945506E+14
Altitude
19164259.705863
Surface area
2.1204276945506E+14
Volume
1.2770796939194E+21
Height
10431701.683899