19987609 is an odd 8-digits prime number following 19987608
and preceding 19987610 . In scientific notation, it is written as 1.9987609 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 19987608 positive integers (up to 19987609) that are relatively prime to 19987609.
19987609 has 2 divisors, whose sum is 19987610
The reverse of 19987609 is 90678991
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-seven thousand six hundred nine
Scientific notation
1.9987609 × 10^7
Engineering notation
1.9987609 × 10^6
Prime Factorization
19987609
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19987609
Product of the distinct prime numbers
The prime factorization of 19987609 is 19987609.
Since it has a total of 1 prime factors.
5 , 10 , 98 , 40 , 286 , 376 , 1826 , 3347 , 56804 , 36311 , 862851 , 704530 , 9565411 , 3978114 , 47229397 , 78456854 , 729453648 , 459194498 , 6223173659 , 6455207422
n×2
39975218
n×3
59962827
n×4
79950436
n×5
99938045
n÷2
9993804.5
n÷3
6662536.3333333
n÷3
4996902.25
n÷5
3997521.8
n2
399504513536881
n3
7.9851400103104E+21
n4
1.5960385633634E+29
n5
3.1900994753429E+36
2 √n
4470.7503844433
3 √n
271.38569283094
4 √n
66.863670138898
5 √n
28.850421932877
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19987610
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9993805
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4470.7504962814
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999899938
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19987609 can be divided by 2 positive divisors.
The sum of these divisors (counting 19987609) is 19987610, the average is 9993805.
Base
System
Value
2
Binary
1001100001111110010011001
3
Ternary
1101121110211211
4
Quaternary
1030033302121
5
Quinary
20104100414
6
Senary
1552223121
8
Octal
114176231
10
Decimal
19987609
12
Duodecimal
683aaa1
16
Hexadecimal
130fc99
20
Vigesimal
64i909
36
Base36
bwejd
md5
aa5c7de3d597fbff7f4e30d36b7680eb
sha1
01bb9b0691536d04e55744c102b696dc7c2c1522
sha256
a81f9ba88f3d3cca1c161ad8e59b302bf00a5b7ce88d58d4f8c9195b280d44d9
sha512
55363ed08a9948b0498f3c251e4e17acb22e6799fa53b5b96d2b7ea3208252b0c1c15de1a23b61a85272e7faf2301348195b14df56f58212faecc8f97d381f3a
ripemd-160
0cf177285a8ac7cc4c0c88b42bdae799b5e4a555
Diameter
39975218
Circumference
125585851.19445
Area
1.2550804448034E+15
Volume
3.3448076259036E+22
Surface area
5.0203217792137E+15
Circumference
125585851.19445
Perimeter
79950436
Area
399504513536881
Diagonal
28266747.727211
Surface area
2397027081221286
Volume
7.9851400103104E+21
Space diagonal
34619554.309821
Perimeter
59962827
Area
1.7299052882474E+14
Altitude
17309777.15491
Surface area
1.7299052882474E+14
Volume
9.4105777500242E+20
Height
9422249.2424035