20745904 is an even 8-digits composite number following 20745903
and preceding 20745905 . In scientific notation, it is written as 2.0745904 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 10015040 positive integers (up to 20745904) that are relatively prime to 20745904.
20745904 has 20 divisors, whose sum is 41582160
The reverse of 20745904 is 40954702
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred forty-five thousand nine hundred four
Scientific notation
2.0745904 × 10^7
Engineering notation
2.0745904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 29 × 44711
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2593238
Product of the distinct prime numbers
The prime factorization of 20745904 is 2 × 2 × 2 × 2 × 29 × 44711.
Since it has a total of 6 prime factors.
3 , 9 , 89 , 49 , 651 , 569 , 1019 , 92 , 34720 , 28224 , 399679 , 806030 , 6051494 , 9466124 , 30258672 , 47458295 , 638453716 , 46073646 , 6396598959 , 8850508206
n×2
41491808
n×3
62237712
n×4
82983616
n×5
103729520
n÷2
10372952
n÷3
6915301.3333333
n÷3
5186476
n÷5
4149180.8
n2
430392532777216
n3
8.928882167313E+21
n4
1.8523773227039E+29
n5
3.8429242108591E+36
2 √n
4554.7671729738
3 √n
274.77515064088
4 √n
67.489015202282
5 √n
29.066080550981
1 , 2 , 4 , 8 , 16 , 29 , 58 , 116 , 232 , 464 , 44711 , 89422 , 178844 , 357688 , 715376 , 1296619 , 2593238 , 5186476 , 10372952 , 20745904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20745903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20745904 can be divided by 20 positive divisors.
The sum of these divisors (counting 20745904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111001000111010110000
3
Ternary
1110001000000211
4
Quaternary
1033020322300
5
Quinary
20302332104
6
Senary
2020353504
8
Octal
117107260
10
Decimal
20745904
12
Duodecimal
6b45894
16
Hexadecimal
13c8eb0
20
Vigesimal
69d4f4
36
Base36
ccnn4
md5
991883d01b8c8d15e0f436e245dfae2d
sha1
90090b84595d69738f9c85ba92f91715aa8062d9
sha256
eaf07abfc910ccd7d3a68982b591ea53cd1a66e278f83f5cfe2d578a4a7750bc
sha512
42efce0d0fe54b5870c91d82b77ee27affe9ed552bcd4416fe60472fc2799bb74c194ea236534130510896d8eb1522e5c6cc6f1e0906a0e6b1ad4019ca27c46b
ripemd-160
d085cb98485ab9d8cd25f957065d568e9009c6a7
Diameter
41491808
Circumference
130350359.19696
Area
1.3521180191328E+15
Volume
3.7401214162132E+22
Surface area
5.4084720765312E+15
Circumference
130350359.19696
Perimeter
82983616
Area
430392532777216
Diagonal
29339138.80049
Surface area
2582355196663296
Volume
8.928882167313E+21
Space diagonal
35932959.776946
Perimeter
62237712
Area
1.863654334921E+14
Altitude
17966479.888473
Surface area
1.863654334921E+14
Volume
1.0522788548204E+21
Height
9779712.9334967