216944987 is an odd 9-digits composite number following 216944986
and preceding 216944988 . In scientific notation, it is written as 2.16944987 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 185879232 positive integers (up to 216944987) that are relatively prime to 216944987.
216944987 has 8 divisors, whose sum is 248035296
The reverse of 216944987 is 789449612
Previous prime number is 3557
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred sixteen million nine hundred forty-four thousand nine hundred eighty-seven
Scientific notation
2.16944987 × 10^8
Engineering notation
2.16944987 × 10^6
Prime Factorization
7 × 3557 × 8713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
216944987
Product of the distinct prime numbers
The prime factorization of 216944987 is 7 × 3557 × 8713.
Since it has a total of 3 prime factors.
8 , 7 , 24 , 92 , 60 , 881 , 8672 , 495 , 14237 , 10001 , 830845 , 914272 , 2658268 , 5267001 , 90566625 , 33967683 , 892222687 , 628973734 , 7845460182 , 5000786951
n×2
433889974
n×3
650834961
n×4
867779948
n×5
1084724935
n÷2
108472493.5
n÷3
72314995.666667
n÷3
54236246.75
n÷5
43388997.4
n2
47065127384430169
n3
1.0210543448569E+25
n4
2.2151262157126E+33
n5
4.8056052807114E+41
2 √n
14729.052481406
3 √n
600.87371504875
4 √n
121.36330780514
5 √n
46.480407171387
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
-216944986
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 216944987 can be divided by 8 positive divisors.
The sum of these divisors (counting 216944987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100111011100101000101011011
3
Ternary
120010012221120112
4
Quaternary
30323211011123
5
Quinary
421014214422
6
Senary
33305514535
8
Octal
1473450533
10
Decimal
216944987
12
Duodecimal
607a2a4b
16
Hexadecimal
cee515b
20
Vigesimal
37fi297
36
Base36
3l5vtn
md5
190dbd6049539f9f3e053214960c31c0
sha1
85020b3a52c3f9f280440430457a2551aba1f5e0
sha256
8b22aacf75e73570510d38b8d2c8bd4093605038d9c7b5a7c2cf346652c113d4
sha512
0b300de1ea7b00e66b1a1dde98ce36610b36c74686f5ab58fd3480d50b26a69b37e8e49b453a646864b0884a1b99987191b54d3c9e80d2593b2f89ba1d14b9f8
ripemd-160
287dbedd1dab43275c38950bc40d4c2e0482a7f4
Diameter
433889974
Circumference
1363105554.7847
Area
1.4785945843119E+17
Volume
4.276982438291E+25
Surface area
5.9143783372477E+17
Circumference
1363105554.7847
Perimeter
867779948
Area
47065127384430169
Diagonal
306806542.90425
Surface area
282390764306581014
Volume
1.0210543448569E+25
Space diagonal
375759739.93137
Perimeter
650834961
Area
2.0379797973634E+16
Altitude
187879869.96568
Surface area
2.0379797973634E+16
Volume
1.2033240853471E+24
Height
102268847.63475