206989221 is an odd 9-digits composite number following 206989220
and preceding 206989222 . In scientific notation, it is written as 2.06989221 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 135145920 positive integers (up to 206989221) that are relatively prime to 206989221.
206989221 has 16 divisors, whose sum is 281698560
The reverse of 206989221 is 122989602
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred six million nine hundred eighty-nine thousand two hundred twenty-one
Scientific notation
2.06989221 × 10^8
Engineering notation
2.06989221 × 10^6
Prime Factorization
3 × 53 × 911 × 1429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
206989221
Product of the distinct prime numbers
The prime factorization of 206989221 is 3 × 53 × 911 × 1429.
Since it has a total of 4 prime factors.
5 , 1 , 5 , 11 , 44 , 594 , 7171 , 8357 , 97516 , 63521 , 635656 , 436806 , 2807841 , 4169527 , 40131638 , 52224327 , 347085389 , 145920435 , 5076019478 , 2170436660
n×2
413978442
n×3
620967663
n×4
827956884
n×5
1034946105
n÷2
103494610.5
n÷3
68996407
n÷3
51747305.25
n÷5
41397844.2
n2
42844537610186841
n3
8.8683574640378E+24
n4
1.8356544030307E+33
n5
3.7996067490855E+41
2 √n
14387.119968917
3 √n
591.53790200163
4 √n
119.94632119793
5 √n
46.045749448732
1 , 3 , 53 , 159 , 911 , 1429 , 2733 , 4287 , 48283 , 75737 , 144849 , 227211 , 1301819 , 3905457 , 68996407 , 206989221
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
-206989220
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 206989221 can be divided by 16 positive divisors.
The sum of these divisors (counting 206989221) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100010101100110011110100101
3
Ternary
112102111010211110
4
Quaternary
30111212132211
5
Quinary
410442123341
6
Senary
32312255233
8
Octal
1425463645
10
Decimal
206989221
12
Duodecimal
593a1519
16
Hexadecimal
c5667a5
20
Vigesimal
34ddd11
36
Base36
3f8hwl
md5
9943dfb8af159b034b62bb29eb869f6e
sha1
0afe86c2b1df032d146f1aaa6205f72dd1e57958
sha256
9beb743bfa2c11dea0ee51b1621d74e4b98b9573b86b760dcd4a1ffe1d1baa57
sha512
b7ccc8e75b0e34c22c0c23c3b7be16775e3055d73bb7bfca9f2a2bb3f929b647e19c410e8a217f3d58efea8a8b8822b8cc5514b746e4f6c9e42fb93255ab627c
ripemd-160
9fb8d438863a9d380568d9c238cf100460606127
Diameter
413978442
Circumference
1300551632.1317
Area
1.3460008460261E+17
Volume
3.7147688877906E+25
Surface area
5.3840033841046E+17
Circumference
1300551632.1317
Perimeter
827956884
Area
42844537610186841
Diagonal
292726963.60324
Surface area
257067225661121046
Volume
8.8683574640378E+24
Space diagonal
358515847.3911
Perimeter
620967663
Area
1.855222899191E+16
Altitude
179257923.69555
Surface area
1.855222899191E+16
Volume
1.0451459501346E+24
Height
97575654.534414