19872009 is an odd 8-digits composite number following 19872008
and preceding 19872010 . In scientific notation, it is written as 1.9872009 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 13098624 positive integers (up to 19872009) that are relatively prime to 19872009.
19872009 has 12 divisors, whose sum is 29027700
The reverse of 19872009 is 90027891
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
nineteen million eight hundred seventy-two thousand nine
Scientific notation
1.9872009 × 10^7
Engineering notation
1.9872009 × 10^6
Prime Factorization
3 × 3 × 89 × 24809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6624003
Product of the distinct prime numbers
The prime factorization of 19872009 is 3 × 3 × 89 × 24809.
Since it has a total of 4 prime factors.
6 , 4 , 49 , 98 , 45 , 567 , 9609 , 767 , 84950 , 94787 , 947919 , 318363 , 8871081 , 6215506 , 15561913 , 17521023 , 131725085 , 365981511 , 9845931914 , 2646804413
n×2
39744018
n×3
59616027
n×4
79488036
n×5
99360045
n÷2
9936004.5
n÷3
6624003
n÷3
4968002.25
n÷5
3974401.8
n2
394896741696081
n3
7.8473916050552E+21
n4
1.5594343660218E+29
n5
3.0989093756495E+36
2 √n
4457.8031585076
3 √n
270.86148701935
4 √n
66.766781849267
5 √n
28.816972697303
1 , 3 , 9 , 89 , 267 , 801 , 24809 , 74427 , 223281 , 2208001 , 6624003 , 19872009
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
-19872008
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 19872009 can be divided by 12 positive divisors.
The sum of these divisors (counting 19872009) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011110011100100001001
3
Ternary
1101101121021100
4
Quaternary
1023303210021
5
Quinary
20041401014
6
Senary
1545532013
8
Octal
113634411
10
Decimal
19872009
12
Duodecimal
67a4009
16
Hexadecimal
12f3909
20
Vigesimal
644009
36
Base36
btxc9
md5
64097dcc9846d1f628f48a557b1562e9
sha1
c920e0098f025280e461086b7b36f0143226e5ec
sha256
0eb5d2da7a64bd791f65df9898087772c474c3532e6a8f6c5f4164928c3c43c9
sha512
38c91894ea1f45036ca925741983ad415217aa0258a702681208190699bfed51222049928ac4871ed5a85a88f2faae3e43d5266158b3c1972d104cb6011bc62b
ripemd-160
e5326be7b160aea8d72ac02a592877f01553d642
Diameter
39744018
Circumference
124859514.97294
Area
1.240604702639E+15
Volume
3.2871077088378E+22
Surface area
4.9624188105558E+15
Circumference
124859514.97294
Perimeter
79488036
Area
394896741696081
Diagonal
28103264.6394
Surface area
2369380450176486
Volume
7.8473916050552E+21
Space diagonal
34419329.236466
Perimeter
59616027
Area
1.7099530509025E+14
Altitude
17209664.618233
Surface area
1.7099530509025E+14
Volume
9.2482396976015E+20
Height
9367754.8798001