19902009 is an odd 8-digits composite number following 19902008
and preceding 19902010 . In scientific notation, it is written as 1.9902009 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12900240 positive integers (up to 19902009) that are relatively prime to 19902009.
19902009 has 16 divisors, whose sum is 27279360
The reverse of 19902009 is 90020991
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
nineteen million nine hundred two thousand nine
Scientific notation
1.9902009 × 10^7
Engineering notation
1.9902009 × 10^6
Prime Factorization
3 × 739 × 47 × 191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19902009
Product of the distinct prime numbers
The prime factorization of 19902009 is 3 × 739 × 47 × 191.
Since it has a total of 4 prime factors.
8 , 1 , 35 , 8 , 383 , 576 , 7841 , 8894 , 98571 , 70708 , 358956 , 153455 , 5652136 , 4868108 , 73431411 , 64198112 , 522971455 , 31780705 , 1163283727 , 9550671704
n×2
39804018
n×3
59706027
n×4
79608036
n×5
99510045
n÷2
9951004.5
n÷3
6634003
n÷3
4975502.25
n÷5
3980401.8
n2
396089962236081
n3
7.8829859932321E+21
n4
1.5688725818418E+29
n5
3.1223716243669E+36
2 √n
4461.1667756317
3 √n
270.99772150787
4 √n
66.791966400396
5 √n
28.825668220809
1 , 3 , 47 , 141 , 191 , 573 , 739 , 2217 , 8977 , 26931 , 34733 , 104199 , 141149 , 423447 , 6634003 , 19902009
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902009 can be divided by 16 positive divisors.
The sum of these divisors (counting 19902009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111010111000111001
3
Ternary
1101110010102110
4
Quaternary
1023322320321
5
Quinary
20043331014
6
Senary
1550322533
8
Octal
113727071
10
Decimal
19902009
12
Duodecimal
67b9449
16
Hexadecimal
12fae39
20
Vigesimal
647f09
36
Base36
bukhl
md5
e032bded225e30f6ca02e4d70ae1a94e
sha1
71d3f96c16ae0547400f4c62cfc06a404e7d771e
sha256
e931b3906b9bb24d0b035dbaa3115bd8e94df84ba676b9ededc457c19c8d5b5c
sha512
c88610e7151646b5a0bcd02fa3b817a6e3d18449e2239a741394bd7d22b21ac96f3c568ee86d12ac5467dc07835541993c5293bac4c5e6865699221d0e24c5b2
ripemd-160
17ac84a6849836a46023a3bcdd12327d27b9b224
Diameter
39804018
Circumference
125048010.53216
Area
1.2443533155215E+15
Volume
3.3020174512919E+22
Surface area
4.9774132620861E+15
Circumference
125048010.53216
Perimeter
79608036
Area
396089962236081
Diagonal
28145691.046271
Surface area
2376539773416486
Volume
7.8829859932321E+21
Space diagonal
34471290.760693
Perimeter
59706027
Area
1.7151198474023E+14
Altitude
17235645.380347
Surface area
1.7151198474023E+14
Volume
9.290188086355E+20
Height
9381897.0154238