20990450 is an even 8-digits composite number following 20990449
and preceding 20990451 . In scientific notation, it is written as 2.0990450 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 7560000 positive integers (up to 20990450) that are relatively prime to 20990450.
20990450 has 16 divisors, whose sum is 32360064
The reverse of 20990450 is 05409902
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred ninety thousand four hundred fifty
Scientific notation
2.0990450 × 10^7
Engineering notation
2.0990450 × 10^6
Prime Factorization
2 × 325 × 43 × 751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20990450
Product of the distinct prime numbers
The prime factorization of 20990450 is 2 × 325 × 43 × 751.
Since it has a total of 4 prime factors.
4 , 6 , 64 , 33 , 236 , 792 , 4899 , 1227 , 2888 , 9808 , 151046 , 501536 , 7133178 , 3308570 , 44986119 , 1661889 , 259889866 , 667923456 , 3487287244 , 4441675573
n×2
41980900
n×3
62971350
n×4
83961800
n×5
104952250
n÷2
10495225
n÷3
6996816.6666667
n÷3
5247612.5
n÷5
4198090
n2
440598991202500
n3
9.2483710948865E+21
n4
1.9412747104866E+29
n5
4.0748229746734E+36
2 √n
4581.5335860386
3 √n
275.85058950974
4 √n
67.687026718852
5 √n
29.134284029995
1 , 2 , 43 , 86 , 325 , 650 , 751 , 1502 , 13975 , 27950 , 32293 , 64586 , 244075 , 488150 , 10495225 , 20990450
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
-20990449
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 20990450 can be divided by 16 positive divisors.
The sum of these divisors (counting 20990450) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000100100111110010
3
Ternary
1110111102111002
4
Quaternary
1100010213302
5
Quinary
20333143300
6
Senary
2025522002
8
Octal
120044762
10
Decimal
20990450
12
Duodecimal
7043302
16
Hexadecimal
14049f2
20
Vigesimal
6b3g2a
36
Base36
chwc2
md5
a1598d7ad894a60e41cdace1c6ec5779
sha1
f9fe0e426a7270340ffccbc11331f162e7b4cd0d
sha256
befce549761e2fbc562a829fb761e56f390bcb32c17be9e463ab4bb4b88d87e5
sha512
0b33232add7467170654f051741f68c879ed3673ddaa32dd9301c1abf0071b5d89bd12bdb3bb83cf74d03c0f99cb45552116687a3597de1ceaef189285ca8362
ripemd-160
4baf8d9f2d333548cc952f33fc5df67cca0ff813
Diameter
41980900
Circumference
131886887.03109
Area
1.3841825539408E+15
Volume
3.873948625249E+22
Surface area
5.5367302157634E+15
Circumference
131886887.03109
Perimeter
83961800
Area
440598991202500
Diagonal
29684979.070314
Surface area
2643593947215000
Volume
9.2483710948865E+21
Space diagonal
36356525.873734
Perimeter
62971350
Area
1.9078495963158E+14
Altitude
18178262.936867
Surface area
1.9078495963158E+14
Volume
1.0899309860207E+21
Height
9894993.0234381