20449621 is an odd 8-digits composite number following 20449620
and preceding 20449622 . In scientific notation, it is written as 2.0449621 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20434432 positive integers (up to 20449621) that are relatively prime to 20449621.
20449621 has 4 divisors, whose sum is 20464812
The reverse of 20449621 is 12694402
Previous prime number is 1493
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred forty-nine thousand six hundred twenty-one
Scientific notation
2.0449621 × 10^7
Engineering notation
2.0449621 × 10^6
Prime Factorization
1493 × 13697
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20449621
Product of the distinct prime numbers
The prime factorization of 20449621 is 1493 × 13697.
Since it has a total of 2 prime factors.
1 , 2 , 73 , 62 , 184 , 942 , 2483 , 3132 , 36219 , 64486 , 86933 , 920675 , 63885 , 2324148 , 69390274 , 85469314 , 405864843 , 82896139 , 1197194075 , 9211059337
n×2
40899242
n×3
61348863
n×4
81798484
n×5
102248105
n÷2
10224810.5
n÷3
6816540.3333333
n÷3
5112405.25
n÷5
4089924.2
n2
418186999043641
n3
8.5517656375698E+21
n4
1.7488036616913E+29
n5
3.5762372084999E+36
2 √n
4522.125716961
3 √n
273.46080494265
4 √n
67.246752464048
5 √n
28.982580626308
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20449620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20449621 can be divided by 4 positive divisors.
The sum of these divisors (counting 20449621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000000100101010101
3
Ternary
1102110221121101
4
Quaternary
1032000211111
5
Quinary
20213341441
6
Senary
2010150101
8
Octal
116004525
10
Decimal
20449621
12
Duodecimal
6a22331
16
Hexadecimal
1380955
20
Vigesimal
67g411
36
Base36
c6b11
md5
5f43b6b66ff242c06e350d9fc11176a5
sha1
b68ffce8296c5d60f71763fde28591d4bcf8399d
sha256
2512de979a5b667a55a8441b3db7957dd2cc479628a159c0d2e2385d20b5a9ce
sha512
a51e3bf5b39946d42dea196d963ec8a35ff045d9306817a3801156d9299daad679075b12d27fb75c66b11989eb70bb59738f978c97357c85d6c749618097b3e6
ripemd-160
932efa10757f8fa4769a5c395be44b8446d36ef1
Diameter
40899242
Circumference
128488758.20459
Area
1.3137732040223E+15
Volume
3.5821552136281E+22
Surface area
5.2550928160891E+15
Circumference
128488758.20459
Perimeter
81798484
Area
418186999043641
Diagonal
28920131.36359
Surface area
2509121994261846
Volume
8.5517656375698E+21
Space diagonal
35419782.567527
Perimeter
61348863
Area
1.8108028235209E+14
Altitude
17709891.283764
Surface area
1.8108028235209E+14
Volume
1.007835245574E+21
Height
9640043.7878632