21000669 is an odd 8-digits composite number following 21000668
and preceding 21000670 . In scientific notation, it is written as 2.1000669 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13438656 positive integers (up to 21000669) that are relatively prime to 21000669.
21000669 has 16 divisors, whose sum is 29136000
The reverse of 21000669 is 96600012
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million six hundred sixty-nine
Scientific notation
2.1000669 × 10^7
Engineering notation
2.1000669 × 10^6
Prime Factorization
3 × 29 × 199 × 1213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000669
Product of the distinct prime numbers
The prime factorization of 21000669 is 3 × 29 × 199 × 1213.
Since it has a total of 4 prime factors.
5 , 1 , 50 , 14 , 506 , 182 , 509 , 6786 , 45043 , 60639 , 286536 , 849383 , 967197 , 4254270 , 78583413 , 26144706 , 62926316 , 657132126 , 9207606991 , 5565674310
n×2
42001338
n×3
63002007
n×4
84002676
n×5
105003345
n÷2
10500334.5
n÷3
7000223
n÷3
5250167.25
n÷5
4200133.8
n2
441028098447561
n3
9.2618851151966E+21
n4
1.9450578362027E+29
n5
4.0847515803949E+36
2 √n
4582.6486882588
3 √n
275.89534732172
4 √n
67.695263410809
5 √n
29.137120227294
1 , 3 , 29 , 87 , 199 , 597 , 1213 , 3639 , 5771 , 17313 , 35177 , 105531 , 241387 , 724161 , 7000223 , 21000669
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
-21000668
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 21000669 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000669) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000111011101
3
Ternary
1110111221111120
4
Quaternary
1100013013131
5
Quinary
20334010134
6
Senary
2030041153
8
Octal
120070735
10
Decimal
21000669
12
Duodecimal
70491b9
16
Hexadecimal
14071dd
20
Vigesimal
6b51d9
36
Base36
ci47x
md5
df080912996eda862066c627a5342e63
sha1
bbc7c69d888caa152f0fa7d6e033c64bdb90ecea
sha256
3b38714179005b3d450edc98fb585b05b57ed9095f0c1307bd1d6a239854e2e2
sha512
bcd395a40bc01a65593a51c5f7d5690f216a532beb6748f8adb7d6e4d7a03c61f45934f1f51cebd1d7f8a06de2af6165f7f27ca1600edbcaceb7275d7ff5ec55
ripemd-160
d863dc7b34918da9f3a5e115a1f04f3e0997ee57
Diameter
42001338
Circumference
131951094.90174
Area
1.3855306341095E+15
Volume
3.8796093648393E+22
Surface area
5.5421225364381E+15
Circumference
131951094.90174
Perimeter
84002676
Area
441028098447561
Diagonal
29699430.918708
Surface area
2646168590685366
Volume
9.2618851151966E+21
Space diagonal
36374225.700937
Perimeter
63002007
Area
1.9097076851917E+14
Altitude
18187112.850468
Surface area
1.9097076851917E+14
Volume
1.0915236285877E+21
Height
9899810.3062361