19969940 is an even 8-digits composite number following 19969939
and preceding 19969941 . In scientific notation, it is written as 1.9969940 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 7987968 positive integers (up to 19969940) that are relatively prime to 19969940.
19969940 has 12 divisors, whose sum is 41936916
The reverse of 19969940 is 04996991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred sixty-nine thousand nine hundred forty
Scientific notation
1.9969940 × 10^7
Engineering notation
1.9969940 × 10^6
Prime Factorization
2 × 2 × 5 × 998497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9984970
Product of the distinct prime numbers
The prime factorization of 19969940 is 2 × 2 × 5 × 998497.
Since it has a total of 4 prime factors.
3 , 8 , 56 , 25 , 320 , 760 , 2672 , 9604 , 93500 , 18622 , 745686 , 877616 , 8392722 , 4419724 , 96605086 , 72241267 , 357963548 , 4417192 , 9682002343 , 1519379922
n×2
39939880
n×3
59909820
n×4
79879760
n×5
99849700
n÷2
9984970
n÷3
6656646.6666667
n÷3
4992485
n÷5
3993988
n2
398798503603600
n3
7.9639821890537E+21
n4
1.5904024647647E+29
n5
3.1760241797203E+36
2 √n
4468.7738810551
3 √n
271.3057011478
4 √n
66.848888405531
5 √n
28.845319387087
1 , 2 , 4 , 5 , 10 , 20 , 998497 , 1996994 , 3993988 , 4992485 , 9984970 , 19969940
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
-19969939
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 19969940 can be divided by 12 positive divisors.
The sum of these divisors (counting 19969940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100001011011110010100
3
Ternary
1101120120121102
4
Quaternary
1030023132110
5
Quinary
20103014230
6
Senary
1552005232
8
Octal
114133624
10
Decimal
19969940
12
Duodecimal
6830818
16
Hexadecimal
130b794
20
Vigesimal
64g4h0
36
Base36
bw0wk
md5
f4f203a97563d6193521d3128c84fc86
sha1
a012235c1746da97bc4f289e09f2ac391144959e
sha256
e587cf69f7bf60ce6100ca05555fc62813908cf3c7ab97f100aa38a507d5137a
sha512
a95ded2826cdf612d62205d8312526f1ec02a18edc75f71cbd3194f5eadbd57a8c94f6c9b0469db6154c222247da64f434d397d00a884e4ec2089394db87aa9e
ripemd-160
cd9ceaf98747544d39328116f43de3cbeac4ea45
Diameter
39939880
Circumference
125474833.59326
Area
1.2528624491837E+15
Volume
3.3359450584601E+22
Surface area
5.0114497967347E+15
Circumference
125474833.59326
Perimeter
79879760
Area
398798503603600
Diagonal
28241759.987777
Surface area
2392791021621600
Volume
7.9639821890537E+21
Space diagonal
34588950.704102
Perimeter
59909820
Area
1.7268481755597E+14
Altitude
17294475.352051
Surface area
1.7268481755597E+14
Volume
9.3856430185479E+20
Height
9413919.9959257