216979487 is an odd 9-digits composite number following 216979486
and preceding 216979488 . In scientific notation, it is written as 2.16979487 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 205101504 positive integers (up to 216979487) that are relatively prime to 216979487.
216979487 has 8 divisors, whose sum is 228908400
The reverse of 216979487 is 784979612
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
two hundred sixteen million nine hundred seventy-nine thousand four hundred eighty-seven
Scientific notation
2.16979487 × 10^8
Engineering notation
2.16979487 × 10^6
Prime Factorization
19 × 457 × 24989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
216979487
Product of the distinct prime numbers
The prime factorization of 216979487 is 19 × 457 × 24989.
Since it has a total of 3 prime factors.
2 , 3 , 11 , 22 , 961 , 8 , 6717 , 4224 , 69489 , 59673 , 138360 , 173435 , 2376567 , 4059386 , 13897262 , 12528359 , 611362839 , 493839058 , 4314137212 , 9544839988
n×2
433958974
n×3
650938461
n×4
867917948
n×5
1084897435
n÷2
108489743.5
n÷3
72326495.666667
n÷3
54244871.75
n÷5
43395897.4
n2
47080097778783169
n3
1.021541546395E+25
n4
2.2165356068598E+33
n5
4.8094275889367E+41
2 √n
14730.223589613
3 √n
600.90556497327
4 √n
121.36813251267
5 √n
46.481885400569
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
-216979486
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 216979487 can be divided by 8 positive divisors.
The sum of these divisors (counting 216979487) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100111011101101100000011111
3
Ternary
120010021200220022
4
Quaternary
30323231200133
5
Quinary
421021320422
6
Senary
33310342355
8
Octal
1473554037
10
Decimal
216979487
12
Duodecimal
607ba9bb
16
Hexadecimal
ceed81f
20
Vigesimal
37g28e7
36
Base36
3l6mfz
md5
8b8edaeee9cde01a09940ae34555fa50
sha1
9880f57f9cdf8e6670f4c471fbe4997ecb5d72fa
sha256
c84540ec57c0a88619d17f69e0df85311079e0e36d904f63a77b48579cde8bab
sha512
d150270bdf7ffbd85a4ed06f76d6d4636890d3208b53cf8ad29b1019cacd37de1fd1554ef13ff553fcbda4c3d4d1669f362a1ffcaa793bd14edead50cdbc9d26
ripemd-160
8215e5f467dc51b8fdc158da0ce3c27b3843d05d
Diameter
433958974
Circumference
1363322324.6778
Area
1.4790648931211E+17
Volume
4.2790232233218E+25
Surface area
5.9162595724846E+17
Circumference
1363322324.6778
Perimeter
867917948
Area
47080097778783169
Diagonal
306855333.27216
Surface area
282480586672699014
Volume
1.021541546395E+25
Space diagonal
375819495.68423
Perimeter
650938461
Area
2.0386280344541E+16
Altitude
187909747.84212
Surface area
2.0386280344541E+16
Volume
1.2038982578662E+24
Height
102285111.09072