22156721 is an odd 8-digits composite number following 22156720
and preceding 22156722 . In scientific notation, it is written as 2.2156721 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 22134000 positive integers (up to 22156721) that are relatively prime to 22156721.
22156721 has 4 divisors, whose sum is 22179444
The reverse of 22156721 is 12765122
Previous prime number is 1021
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-two million one hundred fifty-six thousand seven hundred twenty-one
Scientific notation
2.2156721 × 10^7
Engineering notation
2.2156721 × 10^6
Prime Factorization
1021 × 21701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
22156721
Product of the distinct prime numbers
The prime factorization of 22156721 is 1021 × 21701.
Since it has a total of 2 prime factors.
6 , 7 , 23 , 12 , 193 , 1 , 8036 , 9079 , 4091 , 18012 , 607743 , 111259 , 8247174 , 3088992 , 29198736 , 75395084 , 23687177 , 598712719 , 2411496251 , 6751653177
n×2
44313442
n×3
66470163
n×4
88626884
n×5
110783605
n÷2
11078360.5
n÷3
7385573.6666667
n÷3
5539180.25
n÷5
4431344.2
n2
490920285471841
n3
1.087718379844E+22
n4
2.4100272668775E+29
n5
5.3398301754598E+36
2 √n
4707.0926270895
3 √n
280.86772056935
4 √n
68.608254802826
5 √n
29.451071346243
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-22156720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 22156721 can be divided by 4 positive divisors.
The sum of these divisors (counting 22156721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010100100001010110110001
3
Ternary
1112200200022022
4
Quaternary
1110201112301
5
Quinary
21133003341
6
Senary
2110521225
8
Octal
124412661
10
Decimal
22156721
12
Duodecimal
7506215
16
Hexadecimal
15215b1
20
Vigesimal
6i9bg1
36
Base36
d6w8h
md5
d9d3ee807cf52172f831736f45b5ca2f
sha1
c7fe2bf8a62d65e15e7868f7f4ebba568fda9a9e
sha256
c889ca870e643266c93062125aea97a62e0ce482862a46bff5c1c9f4cda1899a
sha512
bbe07ce289c3af8db5b0ba1cc11a16381263a47e9d722d60d9ce57f85b666a2e0211a4c26351d83f5368e476fd0bfb9d36e475e3555f92b791b28d05281d7ecb
ripemd-160
cb6b330b6fe6e4c17c9c986b1cdd5ce73b6fc07e
Diameter
44313442
Circumference
139214783.84248
Area
1.5422715623365E+15
Volume
4.5562240950566E+22
Surface area
6.1690862493462E+15
Circumference
139214783.84248
Perimeter
88626884
Area
490920285471841
Diagonal
31334335.335917
Surface area
2945521712831046
Volume
1.087718379844E+22
Space diagonal
38376566.501128
Perimeter
66470163
Area
2.1257471922586E+14
Altitude
19188283.250564
Surface area
2.1257471922586E+14
Volume
1.2818884040149E+21
Height
10444778.445306