19986871 is an odd 8-digits prime number following 19986870
and preceding 19986872 . In scientific notation, it is written as 1.9986871 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 19986870 positive integers (up to 19986871) that are relatively prime to 19986871.
19986871 has 2 divisors, whose sum is 19986872
The reverse of 19986871 is 17868991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred eighty-six thousand eight hundred seventy-one
Scientific notation
1.9986871 × 10^7
Engineering notation
1.9986871 × 10^6
Prime Factorization
19986871
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19986871
Product of the distinct prime numbers
The prime factorization of 19986871 is 19986871.
Since it has a total of 1 prime factors.
4 , 6 , 5 , 46 , 956 , 560 , 7435 , 8593 , 15245 , 80884 , 945140 , 597406 , 9044031 , 4472186 , 60588808 , 85732928 , 107176098 , 560432035 , 3705864761 , 1125844734
n×2
39973742
n×3
59960613
n×4
79947484
n×5
99934355
n÷2
9993435.5
n÷3
6662290.3333333
n÷3
4996717.75
n÷5
3997374.2
n2
399475012370641
n3
7.9842555399754E+21
n4
1.5958028550852E+29
n5
3.189510580602E+36
2 √n
4470.6678472014
3 √n
271.38235267644
4 √n
66.863052930609
5 √n
28.850208881623
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19986872
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9993436
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4470.6679590415
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998999343
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19986871 can be divided by 2 positive divisors.
The sum of these divisors (counting 19986871) is 19986872, the average is 9993436.
Base
System
Value
2
Binary
1001100001111100110110111
3
Ternary
1101121102211111
4
Quaternary
1030033212313
5
Quinary
20104034441
6
Senary
1552215451
8
Octal
114174667
10
Decimal
19986871
12
Duodecimal
683a587
16
Hexadecimal
130f9b7
20
Vigesimal
64i73b
36
Base36
bwdyv
md5
58d79499d4341c93ded429be06d215ff
sha1
e0610ecf5e670569c71b4b93654b2c572ce2b644
sha256
ffb5d7e7ace253df0b702192f8a874b4fd0e083e2735514c1bf6fe69ff4fad19
sha512
46f5578ad48d20848d774272fde92dce25f422904c31d2c43c188d2dc6d203e765601f717648514551cf0bb6ab5b6f8027f0f1ed1b53222053cf13c3923043d1
ripemd-160
d94f27f253d6f258654664df530625f6c9f6ace6
Diameter
39973742
Circumference
125581214.20369
Area
1.2549877641563E+15
Volume
3.344437139836E+22
Surface area
5.0199510566252E+15
Circumference
125581214.20369
Perimeter
79947484
Area
399475012370641
Diagonal
28265704.037602
Surface area
2396850074223846
Volume
7.9842555399754E+21
Space diagonal
34618276.056325
Perimeter
59960613
Area
1.7297775444504E+14
Altitude
17309138.028162
Surface area
1.7297775444504E+14
Volume
9.4095353917381E+20
Height
9421901.3458672