21000308 is an even 8-digits composite number following 21000307
and preceding 21000309 . In scientific notation, it is written as 2.1000308 × 10^7.
The sum of its digits is 14. It has a total of 5 prime factors and 24 positive divisors.
There are 8979264 positive integers (up to 21000308) that are relatively prime to 21000308.
21000308 has 24 divisors, whose sum is 42098112
The reverse of 21000308 is 80300012
Previous prime number is 787
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million three hundred eight
Scientific notation
2.1000308 × 10^7
Engineering notation
2.1000308 × 10^6
Prime Factorization
2 × 2 × 7 × 787 × 953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10500154
Product of the distinct prime numbers
The prime factorization of 21000308 is 2 × 2 × 7 × 787 × 953.
Since it has a total of 5 prime factors.
2 , 9 , 54 , 84 , 135 , 84 , 3265 , 6062 , 22418 , 12374 , 720690 , 191555 , 5083674 , 4772997 , 53936392 , 11547730 , 772970951 , 821058047 , 1338370814 , 1218927378
n×2
42000616
n×3
63000924
n×4
84001232
n×5
105001540
n÷2
10500154
n÷3
7000102.6666667
n÷3
5250077
n÷5
4200061.6
n2
441012936094864
n3
9.2614074899765E+21
n4
1.9449240980301E+29
n5
4.0844005095255E+36
2 √n
4582.6093003877
3 √n
275.89376643889
4 √n
67.694972489748
5 √n
29.137020053602
1 , 2 , 4 , 7 , 14 , 28 , 787 , 953 , 1574 , 1906 , 3148 , 3812 , 5509 , 6671 , 11018 , 13342 , 22036 , 26684 , 750011 , 1500022 , 3000044 , 5250077 , 10500154 , 21000308
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000307
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000308 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000308) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111000001110100
3
Ternary
1110111221000012
4
Quaternary
1100013001310
5
Quinary
20334002213
6
Senary
2030035352
8
Octal
120070164
10
Decimal
21000308
12
Duodecimal
7048b58
16
Hexadecimal
1407074
20
Vigesimal
6b50f8
36
Base36
ci3xw
md5
b60f4079df681e8f602b529d5175c4fa
sha1
13dd2879eb57a7e4480cd38f8dfba202ace0c757
sha256
77a05b2d549d396f321503f7970546b2987e66154b0674d683835f579fd78220
sha512
0736f99b7a40999a621453929a37b5569c8f65931449e545c25c5f5f0f2f55f696929d1aa35ee8097e206a8a9c066f0ea76f646809f05d584295f4a6cd883c88
ripemd-160
ac9f7919a994a0f105ebba10fa6b4c46223eb49a
Diameter
42000616
Circumference
131948826.67185
Area
1.3854830001737E+15
Volume
3.8794092976549E+22
Surface area
5.5419320006948E+15
Circumference
131948826.67185
Perimeter
84001232
Area
441012936094864
Diagonal
29698920.387612
Surface area
2646077616569184
Volume
9.2614074899765E+21
Space diagonal
36373600.430595
Perimeter
63000924
Area
1.9096420302786E+14
Altitude
18186800.215298
Surface area
1.9096420302786E+14
Volume
1.0914673399157E+21
Height
9899640.1292041