19981609 is an odd 8-digits composite number following 19981608
and preceding 19981610 . In scientific notation, it is written as 1.9981609 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 19292560 positive integers (up to 19981609) that are relatively prime to 19981609.
19981609 has 4 divisors, whose sum is 20670660
The reverse of 19981609 is 90618991
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred eighty-one thousand six hundred nine
Scientific notation
1.9981609 × 10^7
Engineering notation
1.9981609 × 10^6
Prime Factorization
29 × 689021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19981609
Product of the distinct prime numbers
The prime factorization of 19981609 is 29 × 689021.
Since it has a total of 2 prime factors.
8 , 9 , 13 , 89 , 978 , 17 , 4837 , 4454 , 44479 , 95112 , 976494 , 835181 , 4748235 , 4785069 , 57503123 , 27241838 , 262764765 , 236470154 , 2460395059 , 8924273160
n×2
39963218
n×3
59944827
n×4
79926436
n×5
99908045
n÷2
9990804.5
n÷3
6660536.3333333
n÷3
4995402.25
n÷5
3996321.8
n2
399264698228881
n3
7.9779510875125E+21
n4
1.594122992518E+29
n5
3.1853142334404E+36
2 √n
4470.0793057842
3 √n
271.35853471985
4 √n
66.858651689846
5 √n
28.848689626422
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981608
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981609 can be divided by 4 positive divisors.
The sum of these divisors (counting 19981609) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001110010100101001
3
Ternary
1101121011121121
4
Quaternary
1030032110221
5
Quinary
20103402414
6
Senary
1552135241
8
Octal
114162451
10
Decimal
19981609
12
Duodecimal
6837521
16
Hexadecimal
130e529
20
Vigesimal
64he09
36
Base36
bw9wp
md5
113079f83ec9b090df7e2a00735b3625
sha1
edcc11418d40297a9a49c5ba7a8dae852660def1
sha256
213bde2fdfcefb255f8156749c36e3515e1c16d449ab591bcb107b6eee3300fb
sha512
d477c4f28c71df8ae2809e13de8753f92f9fb8a005cb9978fbb8cca8516713e511e0c2ed60f08a282c7245bc0079cab4339dbe04be213db6f7496f872319cedd
ripemd-160
18f4d05f15cf5aafece9acbf0e08d0006d12a73c
Diameter
39963218
Circumference
125548152.08261
Area
1.2543270427936E+15
Volume
3.3417963369637E+22
Surface area
5.0173081711744E+15
Circumference
125548152.08261
Perimeter
79926436
Area
399264698228881
Diagonal
28258262.445836
Surface area
2395588189373286
Volume
7.9779510875125E+21
Space diagonal
34609162.004976
Perimeter
59944827
Area
1.7288668575027E+14
Altitude
17304581.002488
Surface area
1.7288668575027E+14
Volume
9.4021055232578E+20
Height
9419420.8152788