20403649 is an odd 8-digits composite number following 20403648
and preceding 20403650 . In scientific notation, it is written as 2.0403649 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors.
There are 17488800 positive integers (up to 20403649) that are relatively prime to 20403649.
20403649 has 6 divisors, whose sum is 23734914
The reverse of 20403649 is 94630402
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred three thousand six hundred forty-nine
Scientific notation
2.0403649 × 10^7
Engineering notation
2.0403649 × 10^6
Prime Factorization
7 × 7 × 416401
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2914807
Product of the distinct prime numbers
The prime factorization of 20403649 is 7 × 7 × 416401.
Since it has a total of 3 prime factors.
7 , 9 , 15 , 37 , 153 , 913 , 2561 , 8814 , 18993 , 71162 , 427780 , 632314 , 7939664 , 6420995 , 21499144 , 35330755 , 292087717 , 143230677 , 7378355691 , 4951224379
n×2
40807298
n×3
61210947
n×4
81614596
n×5
102018245
n÷2
10201824.5
n÷3
6801216.3333333
n÷3
5100912.25
n÷5
4080729.8
n2
416308892515201
n3
8.4942205184589E+21
n4
1.7331309398723E+29
n5
3.5362195368195E+36
2 √n
4517.0398492818
3 √n
273.25573231664
4 √n
67.208926857091
5 √n
28.969537969622
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20403648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20403649 can be divided by 6 positive divisors.
The sum of these divisors (counting 20403649) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101110101010111000001
3
Ternary
1102101121112201
4
Quaternary
1031311113001
5
Quinary
20210404044
6
Senary
2005153201
8
Octal
115652701
10
Decimal
20403649
12
Duodecimal
69bb801
16
Hexadecimal
13755c1
20
Vigesimal
67a929
36
Base36
c5bk1
md5
dc64fd3be547dd455493fcfa91c389e6
sha1
cba8cdf4ca4a756686e200643843f7a7145c7bee
sha256
956f63cb997897dbe91b5e0f51d79c27b601cc482b3ebfb34435339aa370b681
sha512
23f4acb1f4df8ab126aff89a68fb29c37c23bc7904a28c401a4e95cd560484aeffca23dd8c0462e26b5eb5c28461e0af05e17dcc3246f8f1a8a45b634f0bed5b
ripemd-160
cd16a2fe91b653e3136ae8572952462c9b63ff42
Diameter
40807298
Circumference
128199907.60965
Area
1.3078729583499E+15
Volume
3.5580507705016E+22
Surface area
5.2314918333994E+15
Circumference
128199907.60965
Perimeter
81614596
Area
416308892515201
Diagonal
28855117.1377
Surface area
2497853355091206
Volume
8.4942205184589E+21
Space diagonal
35340156.727802
Perimeter
61210947
Area
1.8026703836976E+14
Altitude
17670078.363901
Surface area
1.8026703836976E+14
Volume
1.0010534882494E+21
Height
9618372.3792334