19987132 is an even 8-digits composite number following 19987131
and preceding 19987133 . In scientific notation, it is written as 1.9987132 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 9085040 positive integers (up to 19987132) that are relatively prime to 19987132.
19987132 has 12 divisors, whose sum is 38157336
The reverse of 19987132 is 23178991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million nine hundred eighty-seven thousand one hundred thirty-two
Scientific notation
1.9987132 × 10^7
Engineering notation
1.9987132 × 10^6
Prime Factorization
2 × 2 × 11 × 454253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9993566
Product of the distinct prime numbers
The prime factorization of 19987132 is 2 × 2 × 11 × 454253.
Since it has a total of 4 prime factors.
10 , 2 , 53 , 96 , 277 , 924 , 6097 , 1664 , 12777 , 92296 , 596148 , 810427 , 1505517 , 4540224 , 70170882 , 16229731 , 113571892 , 37717375 , 108932094 , 131641918
n×2
39974264
n×3
59961396
n×4
79948528
n×5
99935660
n÷2
9993566
n÷3
6662377.3333333
n÷3
4996783
n÷5
3997426.4
n2
399485445585424
n3
7.9845683329947E+21
n4
1.5958862123458E+29
n5
3.1897188383136E+36
2 √n
4470.6970373757
3 √n
271.38353395999
4 √n
66.863271213542
5 √n
28.850284229737
1 , 2 , 4 , 11 , 22 , 44 , 454253 , 908506 , 1817012 , 4996783 , 9993566 , 19987132
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
-19987131
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 19987132 can be divided by 12 positive divisors.
The sum of these divisors (counting 19987132) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100001111101010111100
3
Ternary
1101121110012011
4
Quaternary
1030033222330
5
Quinary
20104042012
6
Senary
1552221004
8
Octal
114175274
10
Decimal
19987132
12
Duodecimal
683a764
16
Hexadecimal
130fabc
20
Vigesimal
64i7gc
36
Base36
bwe64
md5
b615e52d24a6efa558420493597b7962
sha1
3284e3fdc1edf2e5e9d1c30095cf08e9c1c7bcdb
sha256
f80a1f909645c86b2f036358b5ac655a7ccdc9e1987078d57250f3beb859503b
sha512
7356f458a2f069e957711e8b56a2967f6fbc849382a72f6dd8977866326a1c5fe57c4967c16e79a0d4cdc0611946deefd808e3f320e806225314a9a96ba7b933
ripemd-160
773470fe1ce6f54f0ee89ecb925391b591eb1073
Diameter
39974264
Circumference
125582854.11506
Area
1.2550205410672E+15
Volume
3.3445681622696E+22
Surface area
5.0200821642689E+15
Circumference
125582854.11506
Perimeter
79948528
Area
399485445585424
Diagonal
28266073.147341
Surface area
2396912673512544
Volume
7.9845683329947E+21
Space diagonal
34618728.121586
Perimeter
59961396
Area
1.7298227215956E+14
Altitude
17309364.060793
Surface area
1.7298227215956E+14
Volume
9.4099040218465E+20
Height
9422024.3824471