216936987 is an odd 9-digits composite number following 216936986
and preceding 216936988 . In scientific notation, it is written as 2.16936987 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 144624656 positive integers (up to 216936987) that are relatively prime to 216936987.
216936987 has 4 divisors, whose sum is 289249320
The reverse of 216936987 is 789639612
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred sixteen million nine hundred thirty-six thousand nine hundred eighty-seven
Scientific notation
2.16936987 × 10^8
Engineering notation
2.16936987 × 10^6
Prime Factorization
3 × 72312329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
216936987
Product of the distinct prime numbers
The prime factorization of 216936987 is 3 × 72312329.
Since it has a total of 2 prime factors.
7 , 3 , 57 , 85 , 564 , 649 , 4632 , 280 , 77478 , 63568 , 521316 , 523829 , 3459796 , 8499302 , 82466631 , 3356418 , 408800390 , 393390227 , 2631062497 , 2046550283
n×2
433873974
n×3
650810961
n×4
867747948
n×5
1084684935
n÷2
108468493.5
n÷3
72312329
n÷3
54234246.75
n÷5
43387397.4
n2
47061656328638169
n3
1.0209413927164E+25
n4
2.2147994963948E+33
n5
4.8047192955702E+41
2 √n
14728.780906782
3 √n
600.86632907673
4 √n
121.36218895019
5 √n
46.480064366746
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
-216936986
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 216936987 can be divided by 4 positive divisors.
The sum of these divisors (counting 216936987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100111011100011001000011011
3
Ternary
120010012112121020
4
Quaternary
30323203020123
5
Quinary
421013440422
6
Senary
33305413523
8
Octal
1473431033
10
Decimal
216936987
12
Duodecimal
6079a2a3
16
Hexadecimal
cee321b
20
Vigesimal
37fh297
36
Base36
3l5pnf
md5
3f776019f7a489f6c267f9d5d1044754
sha1
e5eef622f3e4fe84ad428eae67b210ad6c9d0563
sha256
144654295d3705f664673737e6000f6be6794824685bb5ace0e2b803ea05409d
sha512
b70f39faac423cd3902b79b8cbcaaad7c1c75a89c706ea44778670c69b03ee548e53a582214390449cc02662a874b84e3a1bb2a020a46206c290e1ca1f3e9d09
ripemd-160
0697c56e9170a7a63709c2cf6565992e72315e34
Diameter
433873974
Circumference
1363055289.3022
Area
1.4784855378782E+17
Volume
4.2765093054715E+25
Surface area
5.9139421515127E+17
Circumference
1363055289.3022
Perimeter
867747948
Area
47061656328638169
Diagonal
306795229.19576
Surface area
282369937971829014
Volume
1.0209413927164E+25
Space diagonal
375745883.52491
Perimeter
650810961
Area
2.0378294962387E+16
Altitude
187872941.76245
Surface area
2.0378294962387E+16
Volume
1.203190969973E+24
Height
102265076.39859