216965 is an odd 6-digits composite number following 216964
and preceding 216966 . In scientific notation, it is written as 2.16965 × 10^5.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 148752 positive integers (up to 216965) that are relatively prime to 216965.
216965 has 8 divisors, whose sum is 297600
The reverse of 216965 is 569612
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 29
Digital Root 2
Name
two hundred sixteen thousand nine hundred sixty-five
Scientific notation
2.16965 × 10^5
Engineering notation
2.16965 × 10^3
Prime Factorization
5 × 7 × 6199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
216965
Product of the distinct prime numbers
The prime factorization of 216965 is 5 × 7 × 6199.
Since it has a total of 3 prime factors.
1 , 7 , 55 , 98 , 225 , 739 , 6484 , 4029 , 87554 , 96788 , 120221 , 962556 , 2868920 , 1995391 , 51859600 , 52376652 , 822412975 , 978148337 , 6707492801 , 5243015835
n×2
433930
n×3
650895
n×4
867860
n×5
1084825
n÷2
108482.5
n÷3
72321.666666667
n÷3
54241.25
n÷5
43393
n2
47073811225
n3
10213369452432125
n4
2.2159437032469E+21
n5
4.8078222557497E+26
2 √n
465.79501929497
3 √n
60.089219118575
4 √n
21.582284848805
5 √n
11.675565810868
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
-216964
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 216965 can be divided by 8 positive divisors.
The sum of these divisors (counting 216965) is 1, the average is 0.125.
Base
System
Value
2
Binary
110100111110000101
3
Ternary
102000121202
4
Quaternary
310332011
5
Quinary
23420330
6
Senary
4352245
8
Octal
647605
10
Decimal
216965
12
Duodecimal
a5685
16
Hexadecimal
34f85
20
Vigesimal
17285
36
Base36
4net
md5
1314a272aaa49f623ccc3cb12d513539
sha1
5562f33312bdcdc3841201c9b7bd55aa9387d73e
sha256
f36c0535b17da1c50731627fa2952b5f3c69dbca5f46f28877395068281bbd18
sha512
974d6433dc4e07ad1df939dd5d40f1347c195598558efe92c7dd054e906706a71e474b84d4ba6e3fd35df42e1c0a6a27fb5232a5f535742896af437640874ae2
ripemd-160
bdcc08a15e92f40a75db68d5b3341ce960e0b843
Diameter
433930
Circumference
1363231.3001722
Area
147886739520.93
Volume
4.2781661920212E+16
Surface area
591546958083.73
Circumference
1363231.3001722
Perimeter
867860
Area
47073811225
Diagonal
306834.84556028
Surface area
282442867350
Volume
10213369452432125
Space diagonal
375794.40346418
Perimeter
650895
Area
20383558186.902
Altitude
187897.20173209
Surface area
20383558186.902
Volume
1.2036571330964E+15
Height
102278.28185343