216923 is an odd 6-digits composite number following 216922
and preceding 216924 . In scientific notation, it is written as 2.16923 × 10^5.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 175392 positive integers (up to 216923) that are relatively prime to 216923.
216923 has 12 divisors, whose sum is 266760
The reverse of 216923 is 329612
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 23
Digital Root 5
Name
two hundred sixteen thousand nine hundred twenty-three
Scientific notation
2.16923 × 10^5
Engineering notation
2.16923 × 10^3
Prime Factorization
7 × 7 × 19 × 233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30989
Product of the distinct prime numbers
The prime factorization of 216923 is 7 × 7 × 19 × 233.
Since it has a total of 4 prime factors.
2 , 5 , 83 , 5 , 709 , 221 , 1148 , 2017 , 73443 , 5790 , 740234 , 235621 , 5055237 , 9700104 , 11144500 , 18497418 , 237363196 , 461136025 , 2785252699 , 5276911179
n×2
433846
n×3
650769
n×4
867692
n×5
1084615
n÷2
108461.5
n÷3
72307.666666667
n÷3
54230.75
n÷5
43384.6
n2
47055587929
n3
10207439300322467
n4
2.2142283553439E+21
n5
4.8031705752625E+26
2 √n
465.74993290391
3 √n
60.085341519163
4 √n
21.581240300407
5 √n
11.675113745568
1 , 7 , 19 , 49 , 133 , 233 , 931 , 1631 , 4427 , 11417 , 30989 , 216923
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-216922
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 216923 can be divided by 12 positive divisors.
The sum of these divisors (counting 216923) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110100111101011011
3
Ternary
102000120012
4
Quaternary
310331123
5
Quinary
23420143
6
Senary
4352135
8
Octal
647533
10
Decimal
216923
12
Duodecimal
a564b
16
Hexadecimal
34f5b
20
Vigesimal
17263
36
Base36
4ndn
md5
ce8c426451eeb975590dfcbb925d8d63
sha1
d5652503185e055b3dc25bbae286d3955d7c7e19
sha256
34ad7c6b9e497e44e9c9f59f3c19323912d9894f4084e698fd605cc79f6f170e
sha512
8f6e89c5f14ba98ee19f270d7e54da9ec214c1c512e0288ba7f5d2b4edaf9ad45c2d1cf474c803aaa15f365d00f60d644e1e75ecb5f68382f68d14231c8a025e
ripemd-160
959fd1aa08aaae0c342bbea987dfc7343e5e8cb0
Diameter
433846
Circumference
1362967.4063893
Area
147829489348.09
Volume
4.2756821757142E+16
Surface area
591317957392.38
Circumference
1362967.4063893
Perimeter
867692
Area
47055587929
Diagonal
306775.44859066
Surface area
282333527574
Volume
10207439300322467
Space diagonal
375721.65733026
Perimeter
650769
Area
20375667268.263
Altitude
187860.82866513
Surface area
20375667268.263
Volume
1.202958257968E+15
Height
102258.48286355