20403845 is an odd 8-digits composite number following 20403844
and preceding 20403846 . In scientific notation, it is written as 2.0403845 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 12418560 positive integers (up to 20403845) that are relatively prime to 20403845.
20403845 has 24 divisors, whose sum is 24744384
The reverse of 20403845 is 54830402
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred three thousand eight hundred forty-five
Scientific notation
2.0403845 × 10^7
Engineering notation
2.0403845 × 10^6
Prime Factorization
7 × 55 × 7 × 113 × 67
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2914835
Product of the distinct prime numbers
The prime factorization of 20403845 is 7 × 55 × 7 × 113 × 67.
Since it has a total of 5 prime factors.
2 , 8 , 49 , 33 , 435 , 469 , 467 , 8563 , 21426 , 69501 , 614464 , 831408 , 6235039 , 4057306 , 16771505 , 68205432 , 985896566 , 181486308 , 3155664850 , 3647375644
n×2
40807690
n×3
61211535
n×4
81615380
n×5
102019225
n÷2
10201922.5
n÷3
6801281.6666667
n÷3
5100961.25
n÷5
4080769
n2
416316890784025
n3
8.4944653104392E+21
n4
1.7331975355208E+29
n5
3.5363893869148E+36
2 √n
4517.0615448541
3 √n
273.25660729006
4 √n
67.209088260846
5 √n
28.969593626408
1 , 7 , 49 , 55 , 67 , 113 , 385 , 469 , 791 , 2695 , 3283 , 3685 , 5537 , 6215 , 7571 , 25795 , 43505 , 52997 , 180565 , 304535 , 370979 , 416405 , 2914835 , 20403845
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20403844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20403845 can be divided by 24 positive divisors.
The sum of these divisors (counting 20403845) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110101011010000101
3
Ternary
1102101121210222
4
Quaternary
1031311122011
5
Quinary
20210410340
6
Senary
2005154125
8
Octal
115653205
10
Decimal
20403845
12
Duodecimal
69bb945
16
Hexadecimal
1375685
20
Vigesimal
67a9c5
36
Base36
c5bph
md5
8d26043db03b1a1368c9087bc6f0ca23
sha1
42095ba207cae60ceb205548d82c55af8d08e1d7
sha256
6afb926bd09fc4d93bbc95fa5925384e1e0674cd11b96123103f6397e19415b3
sha512
0a9dbfa82a4c84c3bf7e56e19c10da087e29dfb4c306082de35d770a841571d8559d31d27b3510bf24e796fdc512e2f0faf2ce27f665b3ccf240f54d4e9642d2
ripemd-160
91f60171e21fd9bc7be2c38ad44d3baf9b0446f6
Diameter
40807690
Circumference
128201139.11397
Area
1.3078980856524E+15
Volume
3.5581533087265E+22
Surface area
5.2315923426097E+15
Circumference
128201139.11397
Perimeter
81615380
Area
416316890784025
Diagonal
28855394.323558
Surface area
2497901344704150
Volume
8.4944653104392E+21
Space diagonal
35340496.20976
Perimeter
61211535
Area
1.8027050172176E+14
Altitude
17670248.10488
Surface area
1.8027050172176E+14
Volume
1.0010823372609E+21
Height
9618464.7745195