21000648 is an even 8-digits composite number following 21000647
and preceding 21000649 . In scientific notation, it is written as 2.1000648 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 16 positive divisors.
There are 7000208 positive integers (up to 21000648) that are relatively prime to 21000648.
21000648 has 16 divisors, whose sum is 52501680
The reverse of 21000648 is 84600012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million six hundred forty-eight
Scientific notation
2.1000648 × 10^7
Engineering notation
2.1000648 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 875027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5250162
Product of the distinct prime numbers
The prime factorization of 21000648 is 2 × 2 × 2 × 3 × 875027.
Since it has a total of 5 prime factors.
1 , 5 , 90 , 86 , 959 , 201 , 3200 , 2055 , 56335 , 86539 , 737196 , 539381 , 8631036 , 9547681 , 92174036 , 89629283 , 673771187 , 173503872 , 1897907240 , 1103044385
n×2
42001296
n×3
63001944
n×4
84002592
n×5
105003240
n÷2
10500324
n÷3
7000216
n÷3
5250162
n÷5
4200129.6
n2
441027216419904
n3
9.2618573304542E+21
n4
1.9450500562309E+29
n5
4.0847311573285E+36
2 √n
4582.6463970069
3 √n
275.89525535951
4 √n
67.695246487526
5 √n
29.137114400053
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 875027 , 1750054 , 2625081 , 3500108 , 5250162 , 7000216 , 10500324 , 21000648
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
-21000647
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 21000648 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000648) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000111001000
3
Ternary
1110111221110210
4
Quaternary
1100013013020
5
Quinary
20334010043
6
Senary
2030041120
8
Octal
120070710
10
Decimal
21000648
12
Duodecimal
70491a0
16
Hexadecimal
14071c8
20
Vigesimal
6b51c8
36
Base36
ci47c
md5
1523e232a928bcefad5294d3184e885e
sha1
95408b21ba96b73eda4f05805e5889cc2243a179
sha256
2af88a16ea807df8ed27dc251b4c19851cc876cfcfcafb09c526f7c6069b1839
sha512
30df8c066b81a81f946243bf75b020c06179d3f6182dbaf10fe529b3c4047a75e551872bc189b5ec00dac4ae0cfc5322dd0fd94edda7dc469adea876e4125af9
ripemd-160
dbba2b73c19c1dc072d7cb5c602c4f2d71eb5ec5
Diameter
42001296
Circumference
131950962.95485
Area
1.3855278631379E+15
Volume
3.8795977263936E+22
Surface area
5.5421114525517E+15
Circumference
131950962.95485
Perimeter
84002592
Area
441027216419904
Diagonal
29699401.220223
Surface area
2646163298519424
Volume
9.2618573304542E+21
Space diagonal
36374189.32787
Perimeter
63001944
Area
1.9097038658999E+14
Altitude
18187094.663935
Surface area
1.9097038658999E+14
Volume
1.0915203541244E+21
Height
9899800.4067411