19949909 is an odd 8-digits composite number following 19949908
and preceding 19949910 . In scientific notation, it is written as 1.9949909 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 12 positive divisors.
There are 17085516 positive integers (up to 19949909) that are relatively prime to 19949909.
19949909 has 12 divisors, whose sum is 23294304
The reverse of 19949909 is 90994991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred forty-nine thousand nine hundred nine
Scientific notation
1.9949909 × 10^7
Engineering notation
1.9949909 × 10^6
Prime Factorization
49 × 7 × 7 × 7 × 1187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
407141
Product of the distinct prime numbers
The prime factorization of 19949909 is 49 × 7 × 7 × 7 × 1187.
Since it has a total of 5 prime factors.
5 , 6 , 70 , 49 , 256 , 671 , 8308 , 655 , 56117 , 29554 , 420994 , 473946 , 574786 , 916877 , 1570239 , 55845547 , 956831717 , 91919589 , 3794364642 , 4279559042
n×2
39899818
n×3
59849727
n×4
79799636
n×5
99749545
n÷2
9974954.5
n÷3
6649969.6666667
n÷3
4987477.25
n÷5
3989981.8
n2
397998869108281
n3
7.9400412208131E+21
n4
1.5840309981147E+29
n5
3.1601274265568E+36
2 √n
4466.532099963
3 √n
271.2149590531
4 √n
66.832118775055
5 √n
28.839530360589
1 , 7 , 49 , 343 , 1187 , 2401 , 8309 , 16807 , 58163 , 407141 , 2849987 , 19949909
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
-19949908
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 19949909 can be divided by 12 positive divisors.
The sum of these divisors (counting 19949909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100000110100101010101
3
Ternary
1101112120010112
4
Quaternary
1030012211111
5
Quinary
20101344114
6
Senary
1551332405
8
Octal
114064525
10
Decimal
19949909
12
Duodecimal
6821105
16
Hexadecimal
1306955
20
Vigesimal
64def9
36
Base36
bvlg5
md5
1a3f181f3e6715ba4844d68b5a4900c5
sha1
5971a60fa6c4b0cdeeba6e4b0fc51863e7f61311
sha256
135de8b016feb1ed3d31b87170a8b77065d138b59409f1cbdf766c6d4d8f61e1
sha512
056e48e351022652ecc2bdc923432a50c38f048c03a2ad6aeeaf5fa214565891ad89fadb80236f219e30c96573bd9ae96383e4127706cc44a84bdee78e7395fb
ripemd-160
dd6e6dc1ed8bef9d334f8e3b38db55bc976e6d19
Diameter
39899818
Circumference
125348975.10837
Area
1.2503503233276E+15
Volume
3.3259166891342E+22
Surface area
5.0014012933105E+15
Circumference
125348975.10837
Perimeter
79799636
Area
397998869108281
Diagonal
28213431.875909
Surface area
2387993214649686
Volume
7.9400412208131E+21
Space diagonal
34554255.994376
Perimeter
59849727
Area
1.7233856566262E+14
Altitude
17277127.997188
Surface area
1.7233856566262E+14
Volume
9.3574283168961E+20
Height
9404477.2919697