19991009 is an odd 8-digits prime number following 19991008
and preceding 19991010 . In scientific notation, it is written as 1.9991009 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 19991008 positive integers (up to 19991009) that are relatively prime to 19991009.
19991009 has 2 divisors, whose sum is 19991010
The reverse of 19991009 is 90019991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million nine hundred ninety-one thousand nine
Scientific notation
1.9991009 × 10^7
Engineering notation
1.9991009 × 10^6
Prime Factorization
19991009
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19991009
Product of the distinct prime numbers
The prime factorization of 19991009 is 19991009.
Since it has a total of 1 prime factors.
7 , 7 , 13 , 52 , 615 , 778 , 4732 , 8604 , 34650 , 75299 , 797471 , 744064 , 9949981 , 5079733 , 41398785 , 29559534 , 820626362 , 785592903 , 783410267 , 7163423066
n×2
39982018
n×3
59973027
n×4
79964036
n×5
99955045
n÷2
9995504.5
n÷3
6663669.6666667
n÷3
4997752.25
n÷5
3998201.8
n2
399640440838081
n3
7.989215649558E+21
n4
1.5971248195326E+29
n5
3.1928136641399E+36
2 √n
4471.1306176402
3 √n
271.40108001475
4 √n
66.866513425183
5 √n
28.851403388547
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19991010
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9995505
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4471.1307294688
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999899955
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19991009 can be divided by 2 positive divisors.
The sum of these divisors (counting 19991009) is 19991010, the average is 9995505.
Base
System
Value
2
Binary
1001100010000100111100001
3
Ternary
1101121122111202
4
Quaternary
1030100213201
5
Quinary
20104203014
6
Senary
1552250545
8
Octal
114204741
10
Decimal
19991009
12
Duodecimal
6840a55
16
Hexadecimal
13109e1
20
Vigesimal
64iha9
36
Base36
bwh5t
md5
977b67cdaf60dc4269db4754f9d5ed96
sha1
f5eeab481e922a65538376e2e217426d9ad6686a
sha256
3262ad803c07c6a8d4c3c3a171e8f2a167f8cae8d9a29e873fa67633e86827fa
sha512
e7cf3825c054b4aebfd923e00e7a2a4f0ee116e80f89f5f94107517ccca1ccc6b5fa371357d2c9150642a8e84e5213dae4be00c63e5f05c6719791b02c8e31bf
ripemd-160
45b750be4319bed83feba3d4f9eb49bd2c99ab25
Diameter
39982018
Circumference
125607214.02449
Area
1.2555074730143E+15
Volume
3.3465148256795E+22
Surface area
5.0220298920572E+15
Circumference
125607214.02449
Perimeter
79964036
Area
399640440838081
Diagonal
28271556.053323
Surface area
2397842645028486
Volume
7.989215649558E+21
Space diagonal
34625443.282567
Perimeter
59973027
Area
1.730493870727E+14
Altitude
17312721.641283
Surface area
1.730493870727E+14
Volume
9.4153809369403E+20
Height
9423852.0177742