19809946 is an even 8-digits composite number following 19809945
and preceding 19809947 . In scientific notation, it is written as 1.9809946 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 8648640 positive integers (up to 19809946) that are relatively prime to 19809946.
19809946 has 16 divisors, whose sum is 32161248
The reverse of 19809946 is 64990891
Previous prime number is 3611
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million eight hundred nine thousand nine hundred forty-six
Scientific notation
1.9809946 × 10^7
Engineering notation
1.9809946 × 10^6
Prime Factorization
2 × 13 × 3611 × 211
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19809946
Product of the distinct prime numbers
The prime factorization of 19809946 is 2 × 13 × 3611 × 211.
Since it has a total of 4 prime factors.
6 , 7 , 5 , 14 , 567 , 599 , 5763 , 4441 , 35238 , 53854 , 913773 , 648438 , 35788 , 1162557 , 43638054 , 23148620 , 422490176 , 494101171 , 3819930424 , 6882308235
n×2
39619892
n×3
59429838
n×4
79239784
n×5
99049730
n÷2
9904973
n÷3
6603315.3333333
n÷3
4952486.5
n÷5
3961989.2
n2
392433960522916
n3
7.7740955665251E+21
n4
1.540044133717E+29
n5
3.0508191126551E+36
2 √n
4450.8365505824
3 √n
270.57921380835
4 √n
66.714590237686
5 √n
28.798950299827
1 , 2 , 13 , 26 , 211 , 422 , 2743 , 3611 , 5486 , 7222 , 46943 , 93886 , 761921 , 1523842 , 9904973 , 19809946
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
-19809945
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 19809946 can be divided by 16 positive divisors.
The sum of these divisors (counting 19809946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011100100011010011010
3
Ternary
1101021110010201
4
Quaternary
1023210122122
5
Quinary
20032404241
6
Senary
1544332414
8
Octal
113443232
10
Decimal
19809946
12
Duodecimal
677410a
16
Hexadecimal
12e469a
20
Vigesimal
63g4h6
36
Base36
bslga
md5
a3591a2fcd3a305c5131fbebf09ee354
sha1
11b5c75f32107260050ef6529bf0c55294779d34
sha256
2b03cd95e4fcc612cb9a9e09c906ebea7f4a3a036580a373063078531d3023e6
sha512
90586b997e78242486bda5c133f3dd6f5032a6057e119f92ff0ea9a6d2fb87746c0ebe5fdcd570bc7e6165890288b2beb5dbccd7e3031b383538589d082d893f
ripemd-160
d940672505af890f9f49246e6dc97b5b6fafae76
Diameter
39619892
Circumference
124469561.64322
Area
1.2328676473979E+15
Volume
3.2564055360134E+22
Surface area
4.9314705895918E+15
Circumference
124469561.64322
Perimeter
79239784
Area
392433960522916
Diagonal
28015494.303079
Surface area
2354603763137496
Volume
7.7740955665251E+21
Space diagonal
34311832.967196
Perimeter
59429838
Area
1.6992888956029E+14
Altitude
17155916.483598
Surface area
1.6992888956029E+14
Volume
9.1618594878036E+20
Height
9338498.1010262