213682721 is an odd 9-digits composite number following 213682720
and preceding 213682722 . In scientific notation, it is written as 2.13682721 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 167916240 positive integers (up to 213682721) that are relatively prime to 213682721.
213682721 has 16 divisors, whose sum is 265359360
The reverse of 213682721 is 127286312
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred thirteen million six hundred eighty-two thousand seven hundred twenty-one
Scientific notation
2.13682721 × 10^8
Engineering notation
2.13682721 × 10^6
Prime Factorization
7 × 19 × 31 × 51827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
213682721
Product of the distinct prime numbers
The prime factorization of 213682721 is 7 × 19 × 31 × 51827.
Since it has a total of 4 prime factors.
8 , 6 , 51 , 22 , 621 , 966 , 1418 , 9830 , 62932 , 15304 , 998446 , 531454 , 2544254 , 9296876 , 77952637 , 18201722 , 786377149 , 987609201 , 6131820212 , 7352396540
n×2
427365442
n×3
641048163
n×4
854730884
n×5
1068413605
n÷2
106841360.5
n÷3
71227573.666667
n÷3
53420680.25
n÷5
42736544.2
n2
45660305253963841
n3
9.7568182683576E+24
n4
2.0848634758852E+33
n5
4.4549930044066E+41
2 √n
14617.890442879
3 √n
597.84665236482
4 √n
120.90446825026
5 √n
46.33977076269
1 , 7 , 19 , 31 , 133 , 217 , 589 , 4123 , 51827 , 362789 , 984713 , 1606637 , 6892991 , 11246459 , 30526103 , 213682721
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-213682720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 213682721 can be divided by 16 positive divisors.
The sum of these divisors (counting 213682721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100101111001000101000100001
3
Ternary
112220002012120212
4
Quaternary
30233020220201
5
Quinary
414200321341
6
Senary
33111543505
8
Octal
1457105041
10
Decimal
213682721
12
Duodecimal
5b68ab95
16
Hexadecimal
cbc8a21
20
Vigesimal
36fa6g1
36
Base36
3j7yn5
md5
a7b9acf888463d7eada3b0e326605145
sha1
24cefdbc38cf0fd9881ec6128457a427dba9d9a4
sha256
1ec2b88aa8cbd3313a6ec05c02fed98013d6d2a7091c6e416d2ce56a4a13f350
sha512
036d3c0115d71be2a8a2b8b4505688ebf4a92abc841f970e04ce5d28d320537a1be428de2e0b7efaadc954e894b172e19da89c68f6659a1bc8c5ae61e93b2b34
ripemd-160
94e2f86606e9101b9c05ea4c36947cd50e79a411
Diameter
427365442
Circumference
1342608132.9854
Area
1.4344607954652E+17
Volume
4.0869264792377E+25
Surface area
5.7378431818608E+17
Circumference
1342608132.9854
Perimeter
854730884
Area
45660305253963841
Diagonal
302193002.08299
Surface area
273961831523783046
Volume
9.7568182683576E+24
Space diagonal
370109329.47157
Perimeter
641048163
Area
1.9771492147242E+16
Altitude
185054664.73578
Surface area
1.9771492147242E+16
Volume
1.1498520600601E+24
Height
100731000.69433