19986810 is an even 8-digits composite number following 19986809
and preceding 19986811 . In scientific notation, it is written as 1.9986810 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 5290368 positive integers (up to 19986810) that are relatively prime to 19986810.
19986810 has 16 divisors, whose sum is 32215680
The reverse of 19986810 is 01868991
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred eighty-six thousand eight hundred ten
Scientific notation
1.9986810 × 10^7
Engineering notation
1.9986810 × 10^6
Prime Factorization
2 × 15 × 139 × 4793
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19986810
Product of the distinct prime numbers
The prime factorization of 19986810 is 2 × 15 × 139 × 4793.
Since it has a total of 4 prime factors.
6 , 10 , 92 , 92 , 68 , 235 , 8244 , 965 , 22505 , 49595 , 435038 , 621247 , 4282917 , 6158705 , 3472690 , 28035167 , 38244955 , 121841401 , 3068691425 , 5391163163
n×2
39973620
n×3
59960430
n×4
79947240
n×5
99934050
n÷2
9993405
n÷3
6662270
n÷3
4996702.5
n÷5
3997362
n2
399472573976100
n3
7.9841824362713E+21
n4
1.5957833735909E+29
n5
3.189461908912E+36
2 √n
4470.6610249492
3 √n
271.38207658953
4 √n
66.863001913982
5 √n
28.850191271414
1 , 2 , 15 , 30 , 139 , 278 , 2085 , 4170 , 4793 , 9586 , 71895 , 143790 , 666227 , 1332454 , 9993405 , 19986810
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
-19986809
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 19986810 can be divided by 16 positive divisors.
The sum of these divisors (counting 19986810) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111100101111010
3
Ternary
1101121102202020
4
Quaternary
1030033211322
5
Quinary
20104034220
6
Senary
1552215310
8
Octal
114174572
10
Decimal
19986810
12
Duodecimal
683a536
16
Hexadecimal
130f97a
20
Vigesimal
64i70a
36
Base36
bwdx6
md5
60206eb4a8410e77e2916fcf970263da
sha1
a4cfc4f375e2ec88c41543f1a69d9aa162b405a0
sha256
8a63055eaadda306992abaa1fe58370e5dd91429076acfbd2434c8e5080bcd70
sha512
4eb33f3b549cd63d10ebb28c9750e4f49df6f270a32cce9e28c901cb1576071a41d277a63e1356945155fa0271d944e0a8ae2a432cc53091095615a0c069d82a
ripemd-160
7bb7ac249b971da692e3704fa0bd09ead9286d2c
Diameter
39973620
Circumference
125580830.92939
Area
1.2549801037139E+15
Volume
3.3444065182281E+22
Surface area
5.0199204148557E+15
Circumference
125580830.92939
Perimeter
79947240
Area
399472573976100
Diagonal
28265617.770574
Surface area
2396835443856600
Volume
7.9841824362713E+21
Space diagonal
34618170.401226
Perimeter
59960430
Area
1.7297669858923E+14
Altitude
17309085.200613
Surface area
1.7297669858923E+14
Volume
9.4094492381966E+20
Height
9421872.5901914