19001998 is an even 8-digits composite number following 19001997
and preceding 19001999 . In scientific notation, it is written as 1.9001998 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 9500998 positive integers (up to 19001998) that are relatively prime to 19001998.
19001998 has 4 divisors, whose sum is 28503000
The reverse of 19001998 is 89910091
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million one thousand nine hundred ninety-eight
Scientific notation
1.9001998 × 10^7
Engineering notation
1.9001998 × 10^6
Prime Factorization
2 × 9500999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19001998
Product of the distinct prime numbers
The prime factorization of 19001998 is 2 × 9500999.
Since it has a total of 2 prime factors.
2 , 8 , 99 , 65 , 97 , 145 , 2504 , 4381 , 81418 , 85858 , 201124 , 624136 , 9712129 , 7739718 , 60378886 , 43264178 , 895935376 , 473299498 , 5245748219 , 7066672105
n×2
38003996
n×3
57005994
n×4
76007992
n×5
95009990
n÷2
9500999
n÷3
6333999.3333333
n÷3
4750499.5
n÷5
3800399.6
n2
361075927992004
n3
6.8611640615522E+21
n4
1.3037582577529E+29
n5
2.4774011806303E+36
2 √n
4359.1281238339
3 √n
266.84951799434
4 √n
66.023693654884
5 √n
28.560108540429
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
-19001997
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 19001998 can be divided by 4 positive divisors.
The sum of these divisors (counting 19001998) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011111001010001110
3
Ternary
1022202101211201
4
Quaternary
1020133022032
5
Quinary
14331030443
6
Senary
1515140114
8
Octal
110371216
10
Decimal
19001998
12
Duodecimal
644463a
16
Hexadecimal
121f28e
20
Vigesimal
5if4ji
36
Base36
bba1a
md5
01915cd910ac3d21a9c72ff02038f940
sha1
6c13e03727db89379b32e9a065517d9cf20592fd
sha256
8e8b5c33a876e87624b3f13e6efa30d19b76d4949bd358d271e516e9890899c6
sha512
26f2025073f332f4662de4bdef4ac2dc8d757a3f7e4e51266912b43eb156030a24fa67ede7a4a49e826a6d15f01be5a0b78efecdfb317d63fb9ff63b36fb33b1
ripemd-160
b694c1e2a855a86c67801a5edbb469fdd4387906
Diameter
38003996
Circumference
119393074.64066
Area
1.1343534827678E+15
Volume
2.8739976814462E+22
Surface area
4.5374139310712E+15
Circumference
119393074.64066
Perimeter
76007992
Area
361075927992004
Diagonal
26872883.283786
Surface area
2166455567952024
Volume
6.8611640615522E+21
Space diagonal
32912425.981322
Perimeter
57005994
Area
1.5635046316806E+14
Altitude
16456212.990661
Surface area
1.5635046316806E+14
Volume
8.0859593912617E+20
Height
8957627.7612621