21000450 is an even 8-digits composite number following 21000449
and preceding 21000451 . In scientific notation, it is written as 2.1000450 × 10^7.
The sum of its digits is 12. It has a total of 5 prime factors and 32 positive divisors.
There are 5563200 positive integers (up to 21000450) that are relatively prime to 21000450.
21000450 has 32 divisors, whose sum is 43969536
The reverse of 21000450 is 05400012
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million four hundred fifty
Scientific notation
2.1000450 × 10^7
Engineering notation
2.1000450 × 10^6
Prime Factorization
2 × 3 × 25 × 191 × 733
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21000450
Product of the distinct prime numbers
The prime factorization of 21000450 is 2 × 3 × 25 × 191 × 733.
Since it has a total of 5 prime factors.
6 , 6 , 93 , 69 , 109 , 343 , 8703 , 8004 , 54928 , 98089 , 218260 , 408934 , 7415858 , 9080604 , 56713677 , 14878248 , 709830272 , 447535018 , 8149980416 , 9428908570
n×2
42000900
n×3
63001350
n×4
84001800
n×5
105002250
n÷2
10500225
n÷3
7000150
n÷3
5250112.5
n÷5
4200090
n2
441018900202500
n3
9.2615953627576E+21
n4
1.9449767033582E+29
n5
4.0845386010039E+36
2 √n
4582.6247937181
3 √n
275.89438828416
4 √n
67.695086924518
5 √n
29.137059457268
1 , 2 , 3 , 6 , 25 , 50 , 75 , 150 , 191 , 382 , 573 , 733 , 1146 , 1466 , 2199 , 4398 , 4775 , 9550 , 14325 , 18325 , 28650 , 36650 , 54975 , 109950 , 140003 , 280006 , 420009 , 840018 , 3500075 , 7000150 , 10500225 , 21000450
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000449
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000450 can be divided by 32 positive divisors.
The sum of these divisors (counting 21000450) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000111000100000010
3
Ternary
1110111221012110
4
Quaternary
1100013010002
5
Quinary
20334003300
6
Senary
2030040150
8
Octal
120070402
10
Decimal
21000450
12
Duodecimal
7049056
16
Hexadecimal
1407102
20
Vigesimal
6b512a
36
Base36
ci41u
md5
74ab354f5b48bed0b28c28d35b267839
sha1
8f34b0d1256378fa67586cb0a72fed4e7f868575
sha256
036dca95bce48990083e8ef7f12051e165be0c1bea8595b9e7e3d27759a9c489
sha512
ac95eb6469b657c1e08c592c902bb6d11e4608de79257b4b957dae52727f0677350619f48ee902c92f00cecc3b192adb3401e10db0e6edb41b737ca740ea2c37
ripemd-160
73cd289cfddcb9a10ba635feb0235e818d6683c8
Diameter
42000900
Circumference
131949718.88416
Area
1.3855017369704E+15
Volume
3.8794879936214E+22
Surface area
5.5420069478817E+15
Circumference
131949718.88416
Perimeter
84001800
Area
441018900202500
Diagonal
29699121.205938
Surface area
2646113401215000
Volume
9.2615953627576E+21
Space diagonal
36373846.38181
Perimeter
63001350
Area
1.9096678556222E+14
Altitude
18186923.190905
Surface area
1.9096678556222E+14
Volume
1.0914894809353E+21
Height
9899707.068646