20161643 is an odd 8-digits composite number following 20161642
and preceding 20161644 . In scientific notation, it is written as 2.0161643 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 18975648 positive integers (up to 20161643) that are relatively prime to 20161643.
20161643 has 4 divisors, whose sum is 21347640
The reverse of 20161643 is 34616102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred sixty-one thousand six hundred forty-three
Scientific notation
2.0161643 × 10^7
Engineering notation
2.0161643 × 10^6
Prime Factorization
17 × 1185979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20161643
Product of the distinct prime numbers
The prime factorization of 20161643 is 17 × 1185979.
Since it has a total of 2 prime factors.
3 , 10 , 40 , 21 , 242 , 789 , 5119 , 5043 , 48272 , 48139 , 296815 , 799442 , 3808759 , 3914530 , 79608155 , 11744097 , 682043059 , 610287753 , 9303974613 , 6632460281
n×2
40323286
n×3
60484929
n×4
80646572
n×5
100808215
n÷2
10080821.5
n÷3
6720547.6666667
n÷3
5040410.75
n÷5
4032328.6
n2
406491848459449
n3
8.1955435310495E+21
n4
1.6523562286398E+29
n5
3.3314216390662E+36
2 √n
4490.171822993
3 √n
272.17107803739
4 √n
67.008744377081
5 √n
28.900488531293
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161642
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161643 can be divided by 4 positive divisors.
The sum of these divisors (counting 20161643) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111010010001101011
3
Ternary
1101221022120112
4
Quaternary
1030322101223
5
Quinary
20130133033
6
Senary
2000044535
8
Octal
114722153
10
Decimal
20161643
12
Duodecimal
690374b
16
Hexadecimal
133a46b
20
Vigesimal
660423
36
Base36
c04tn
md5
a92f247dd398f2a964be3f1b47f15b4b
sha1
e282d2b476bfcfa53ad574713012d2eaf9326497
sha256
d9691cde243729a910c9b4870f1940b366a478e88178ed40b9c04416c3630fde
sha512
c6045c6fe786d6eb32a9c17f85f8060bbfb7deb5a204918e04e2467d908665fc1c57912e262f625d420fcfc33a4258ebcb8d57fd2844cec83824a480e8d84e82
ripemd-160
dfab1b73ac72262a3d8d5df2ff2daa99d80daab0
Diameter
40323286
Circumference
126679339.0662
Area
1.2770318048643E+15
Volume
3.4329412465761E+22
Surface area
5.1081272194574E+15
Circumference
126679339.0662
Perimeter
80646572
Area
406491848459449
Diagonal
28512868.970325
Surface area
2438951090756694
Volume
8.1955435310495E+21
Space diagonal
34920990.040065
Perimeter
60484929
Area
1.7601613359859E+14
Altitude
17460495.020033
Surface area
1.7601613359859E+14
Volume
9.6585406771911E+20
Height
9504289.6567749