19998811 is an odd 8-digits composite number following 19998810
and preceding 19998812 . In scientific notation, it is written as 1.9998811 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 16238880 positive integers (up to 19998811) that are relatively prime to 19998811.
19998811 has 12 divisors, whose sum is 24489480
The reverse of 19998811 is 11889991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred ninety-eight thousand eight hundred eleven
Scientific notation
1.9998811 × 10^7
Engineering notation
1.9998811 × 10^6
Prime Factorization
19 × 7 × 7 × 21481
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2856973
Product of the distinct prime numbers
The prime factorization of 19998811 is 19 × 7 × 7 × 21481.
Since it has a total of 4 prime factors.
2 , 1 , 94 , 54 , 436 , 76 , 7321 , 7418 , 78808 , 75551 , 760227 , 815902 , 5519805 , 3726472 , 24640360 , 89967923 , 598044845 , 45983303 , 7496342569 , 8384082168
n×2
39997622
n×3
59996433
n×4
79995244
n×5
99994055
n÷2
9999405.5
n÷3
6666270.3333333
n÷3
4999702.75
n÷5
3999762.2
n2
399952441413721
n3
7.9985732848216E+21
n4
1.599619553928E+29
n5
3.199048913091E+36
2 √n
4472.0030187825
3 √n
271.43638248198
4 √n
66.873036560205
5 √n
28.853655035948
1 , 7 , 19 , 49 , 133 , 931 , 21481 , 150367 , 408139 , 1052569 , 2856973 , 19998811
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
-19998810
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 19998811 can be divided by 12 positive divisors.
The sum of these divisors (counting 19998811) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010010100001011011
3
Ternary
1101122001012201
4
Quaternary
1030102201123
5
Quinary
20104430221
6
Senary
1552351031
8
Octal
114224133
10
Decimal
19998811
12
Duodecimal
6845477
16
Hexadecimal
131285b
20
Vigesimal
64jh0b
36
Base36
bwn6j
md5
c296949a959b14fdcd9e3504b633f477
sha1
71e4a9e483c654b06e1a77228de7c25fdd8f959f
sha256
ae02fbdc0017cae463f39a74ae0a9bafd859fa8618d3ecda7849af2d93483bbb
sha512
2efd9eb6b9ee40a783c31fe82d42394f781b69cd13c961f6d0821a65fb8ccfa73b80f70915c478da03ef34028d658e175b8c450c1a0e2de7307721c2313baf92
ripemd-160
ebaecf460d6ba4b2d63f2e085078e35b54b90597
Diameter
39997622
Circumference
125656235.43626
Area
1.2564876517306E+15
Volume
3.3504345427727E+22
Surface area
5.0259506069226E+15
Circumference
125656235.43626
Perimeter
79995244
Area
399952441413721
Diagonal
28282589.747536
Surface area
2399714648482326
Volume
7.9985732848216E+21
Space diagonal
34638956.742967
Perimeter
59996433
Area
1.7318448728494E+14
Altitude
17319478.371484
Surface area
1.7318448728494E+14
Volume
9.4264090158582E+20
Height
9427529.9158454