216931 is an odd 6-digits composite number following 216930
and preceding 216932 . In scientific notation, it is written as 2.16931 × 10^5.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 172800 positive integers (up to 216931) that are relatively prime to 216931.
216931 has 8 divisors, whose sum is 229824
The reverse of 216931 is 139612
Previous prime number is 143
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 22
Digital Root 4
Name
two hundred sixteen thousand nine hundred thirty-one
Scientific notation
2.16931 × 10^5
Engineering notation
2.16931 × 10^3
Prime Factorization
37 × 143 × 41
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
216931
Product of the distinct prime numbers
The prime factorization of 216931 is 37 × 143 × 41.
Since it has a total of 3 prime factors.
10 , 9 , 13 , 82 , 601 , 219 , 3804 , 9223 , 63750 , 30377 , 750551 , 299112 , 3557745 , 4292614 , 43458952 , 8310188 , 341716346 , 666493266 , 2815997231 , 2032336346
n×2
433862
n×3
650793
n×4
867724
n×5
1084655
n÷2
108465.5
n÷3
72310.333333333
n÷3
54232.75
n÷5
43386.2
n2
47059058761
n3
10208568676082491
n4
2.2145550114713E+21
n5
4.8040563319347E+26
2 √n
465.75852112441
3 √n
60.086080148113
4 √n
21.5814392737
5 √n
11.675199858642
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-216930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 216931 can be divided by 8 positive divisors.
The sum of these divisors (counting 216931) is 1, the average is 0.125.
Base
System
Value
2
Binary
110100111101100011
3
Ternary
102000120111
4
Quaternary
310331203
5
Quinary
23420211
6
Senary
4352151
8
Octal
647543
10
Decimal
216931
12
Duodecimal
a5657
16
Hexadecimal
34f63
20
Vigesimal
1726b
36
Base36
4ndv
md5
34efd51a59d5b85f3add2d27ebdafbc0
sha1
d4acc2bf10664fcfbb7b8739aca87ca4fbb333f9
sha256
002ac0d1a694654a655abdb4cc7856bb40f37a1f3d2d560b20f127e02ca07d7c
sha512
92ee71cf60447b426811843063314d4e5e5c61d2db3a43ca8d11cdc28502cff5d8d1319cc8a5574429af0a1cc51a9789eea3f11f78e5a7bec3d686213012d721
ripemd-160
90afd3385bd0bf063e54b544d60cbf9279ebed41
Diameter
433862
Circumference
1363017.6718718
Area
147840393288.41
Volume
4.2761552475264E+16
Surface area
591361573153.63
Circumference
1363017.6718718
Perimeter
867724
Area
47059058761
Diagonal
306786.76229916
Surface area
282354352566
Volume
10208568676082491
Space diagonal
375735.51373672
Perimeter
650793
Area
20377170182.605
Altitude
187867.75686836
Surface area
20377170182.605
Volume
1.2030913561778E+15
Height
102262.25409972