20902743 is an odd 8-digits composite number following 20902742
and preceding 20902744 . In scientific notation, it is written as 2.0902743 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13219200 positive integers (up to 20902743) that are relatively prime to 20902743.
20902743 has 12 divisors, whose sum is 30232488
The reverse of 20902743 is 34720902
Previous prime number is 1517
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million nine hundred two thousand seven hundred forty-three
Scientific notation
2.0902743 × 10^7
Engineering notation
2.0902743 × 10^6
Prime Factorization
3 × 3 × 1517 × 1531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6967581
Product of the distinct prime numbers
The prime factorization of 20902743 is 3 × 3 × 1517 × 1531.
Since it has a total of 4 prime factors.
4 , 1 , 55 , 83 , 965 , 160 , 4181 , 8389 , 75382 , 5607 , 288203 , 885233 , 7143036 , 6685414 , 93422192 , 91646920 , 846368687 , 378973556 , 4171061938 , 5536373849
n×2
41805486
n×3
62708229
n×4
83610972
n×5
104513715
n÷2
10451371.5
n÷3
6967581
n÷3
5225685.75
n÷5
4180548.6
n2
436924664924049
n3
9.1329239812685E+21
n4
1.9090316281899E+29
n5
3.9903997502926E+36
2 √n
4571.9517713992
3 √n
275.46584622995
4 √n
67.616209383543
5 √n
29.109896156401
1 , 3 , 9 , 1517 , 1531 , 4551 , 4593 , 13653 , 13779 , 2322527 , 6967581 , 20902743
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20902742
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20902743 can be divided by 12 positive divisors.
The sum of these divisors (counting 20902743) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111101111001101010111
3
Ternary
1110022222011200
4
Quaternary
1033233031113
5
Quinary
20322341433
6
Senary
2024003543
8
Octal
117571527
10
Decimal
20902743
12
Duodecimal
70005b3
16
Hexadecimal
13ef357
20
Vigesimal
6acgh3
36
Base36
cg0nr
md5
a0849d10a34fbdcd8b989fddbbb09e1a
sha1
4804e7d6e5daa34a2d321cfa3901ec22be666f2b
sha256
995b46435ed839922d4f1822cfaea4c9fd2f8b819bdd1121ebe707c682225a52
sha512
89cf7b40744a13ca61e9165308c3ea750ec225669b5492317dae4f2123c677a1a5a7af81a0ccb4c86bfc82f01ca56e7643d90a93257a3e114a951bfed6899b28
ripemd-160
57109bfe233b990deff1cd7a48618fec56340f11
Diameter
41805486
Circumference
131335807.69735
Area
1.3726393174976E+15
Volume
3.8255902513796E+22
Surface area
5.4905572699903E+15
Circumference
131335807.69735
Perimeter
83610972
Area
436924664924049
Diagonal
29560942.641399
Surface area
2621547989544294
Volume
9.1329239812685E+21
Space diagonal
36204612.893555
Perimeter
62708229
Area
1.8919392968212E+14
Altitude
18102306.446777
Surface area
1.8919392968212E+14
Volume
1.0763254132027E+21
Height
9853647.5471331