20123649 is an odd 8-digits composite number following 20123648
and preceding 20123650 . In scientific notation, it is written as 2.0123649 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10614240 positive integers (up to 20123649) that are relatively prime to 20123649.
20123649 has 16 divisors, whose sum is 27520640
The reverse of 20123649 is 94632102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-three thousand six hundred forty-nine
Scientific notation
2.0123649 × 10^7
Engineering notation
2.0123649 × 10^6
Prime Factorization
9 × 7 × 13 × 24571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123649
Product of the distinct prime numbers
The prime factorization of 20123649 is 9 × 7 × 13 × 24571.
Since it has a total of 4 prime factors.
5 , 1 , 41 , 98 , 166 , 353 , 7053 , 5700 , 91880 , 19727 , 119203 , 792682 , 4766418 , 554455 , 78065630 , 53613255 , 829811638 , 211889843 , 6874057132 , 6589832454
n×2
40247298
n×3
60370947
n×4
80494596
n×5
100618245
n÷2
10061824.5
n÷3
6707883
n÷3
5030912.25
n÷5
4024729.8
n2
404961249075201
n3
8.1492980349909E+21
n4
1.6399361325255E+29
n5
3.300149911336E+36
2 √n
4485.9390321314
3 √n
272.00000450548
4 √n
66.977153060812
5 √n
28.889587893965
1 , 7 , 9 , 13 , 63 , 91 , 117 , 819 , 24571 , 171997 , 221139 , 319423 , 1547973 , 2235961 , 2874807 , 20123649
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
-20123648
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 20123649 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123649) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000000000001
3
Ternary
1101212101110100
4
Quaternary
1030301000001
5
Quinary
20122424044
6
Senary
1555153013
8
Octal
114610001
10
Decimal
20123649
12
Duodecimal
68a5769
16
Hexadecimal
1331001
20
Vigesimal
65f929
36
Base36
bzbi9
md5
9168e0a197cb24523071ad07b074aab2
sha1
78c5b65c01e3c87a3b190b3d6c207a820dc58815
sha256
8c11ccfef9ad0a73944496e4ddd2edc1e9ca00e8ac2e219b1407e8a484c8e364
sha512
964675702998c5049126ff7aae91c35c70c14708ae8403f6a88d77e43b5a119491193b5c0f110b79c633f7a046803121573b64aa3a6f963e94db4c73f20f8e42
ripemd-160
c9eeb57fa5ccb5d4a7dc825f15996f9831d10610
Diameter
40247298
Circumference
126440615.72364
Area
1.2722232850832E+15
Volume
3.4135699784855E+22
Surface area
5.0888931403328E+15
Circumference
126440615.72364
Perimeter
80494596
Area
404961249075201
Diagonal
28459137.340236
Surface area
2429767494451206
Volume
8.1492980349909E+21
Space diagonal
34855182.501683
Perimeter
60370947
Area
1.753533646237E+14
Altitude
17427591.250841
Surface area
1.753533646237E+14
Volume
9.6040398374205E+20
Height
9486379.1134119