216821489 is an odd 9-digits composite number following 216821488
and preceding 216821490 . In scientific notation, it is written as 2.16821489 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 209475360 positive integers (up to 216821489) that are relatively prime to 216821489.
216821489 has 8 divisors, whose sum is 224270592
The reverse of 216821489 is 984128612
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred sixteen million eight hundred twenty-one thousand four hundred eighty-nine
Scientific notation
2.16821489 × 10^8
Engineering notation
2.16821489 × 10^6
Prime Factorization
41 × 103 × 51343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
216821489
Product of the distinct prime numbers
The prime factorization of 216821489 is 41 × 103 × 51343.
Since it has a total of 3 prime factors.
10 , 3 , 87 , 37 , 654 , 887 , 3119 , 1619 , 54020 , 52029 , 978886 , 56941 , 1950031 , 5982760 , 31047638 , 49253100 , 831974764 , 942517338 , 3564678077 , 2557850354
n×2
433642978
n×3
650464467
n×4
867285956
n×5
1084107445
n÷2
108410744.5
n÷3
72273829.666667
n÷3
54205372.25
n÷5
43364297.8
n2
47011558092177121
n3
1.0193116025756E+25
n4
2.2100865942541E+33
n5
4.7919426618512E+41
2 √n
14724.859557904
3 √n
600.75967571171
4 √n
121.34603231216
5 √n
46.475114083103
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
-216821488
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 216821489 can be divided by 8 positive divisors.
The sum of these divisors (counting 216821489) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100111011000110111011110001
3
Ternary
120002222200011112
4
Quaternary
30323012323301
5
Quinary
421001241424
6
Senary
33303123105
8
Octal
1473067361
10
Decimal
216821489
12
Duodecimal
60743495
16
Hexadecimal
cec6ef1
20
Vigesimal
37f2de9
36
Base36
3l38j5
md5
35b278763daa55cb72207dea82df25ea
sha1
aa925f5b65e5967d5fb1950be0057296b085d378
sha256
b5286534557c5a189dd3e75532976ea46afcf81b4a5cb5f7c3e1b4967e73e1a2
sha512
c0b8047e0aa403b6b673157affe8d455de21dd36d5b859f6f2261b2cba4c7492d23cf32e53bcacfcfa98ea7982238796253555a7fab9f46b333153cbc8e657e7
ripemd-160
919857dfda8d6710268b72dc6724a4e364602ff4
Diameter
433642978
Circumference
1362329593.9656
Area
1.4769116553619E+17
Volume
4.2696824564937E+25
Surface area
5.9076466214477E+17
Circumference
1362329593.9656
Perimeter
867285956
Area
47011558092177121
Diagonal
306631890.35773
Surface area
282069348553062726
Volume
1.0193116025756E+25
Space diagonal
375545835.12074
Perimeter
650464467
Area
2.0356601789657E+16
Altitude
187772917.56037
Surface area
2.0356601789657E+16
Volume
1.2012702438722E+24
Height
102210630.11924