199803921 is an odd 9-digits composite number following 199803920
and preceding 199803922 . In scientific notation, it is written as 1.99803921 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 127088720 positive integers (up to 199803921) that are relatively prime to 199803921.
199803921 has 16 divisors, whose sum is 278691840
The reverse of 199803921 is 129308991
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred ninety-nine million eight hundred three thousand nine hundred twenty-one
Scientific notation
1.99803921 × 10^8
Engineering notation
1.99803921 × 10^6
Prime Factorization
3 × 23 × 419 × 6911
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
199803921
Product of the distinct prime numbers
The prime factorization of 199803921 is 3 × 23 × 419 × 6911.
Since it has a total of 4 prime factors.
8 , 10 , 21 , 6 , 892 , 797 , 65 , 2203 , 58420 , 37018 , 711910 , 407970 , 668403 , 799469 , 49649523 , 28606074 , 972950548 , 283270872 , 8049961938 , 7276001025
n×2
399607842
n×3
599411763
n×4
799215684
n×5
999019605
n÷2
99901960.5
n÷3
66601307
n÷3
49950980.25
n÷5
39960784.2
n2
39921606846974241
n3
7.9764935806459E+24
n4
1.5937346932444E+33
n5
3.1843444074396E+41
2 √n
14135.201484238
3 √n
584.61237232848
4 √n
118.89155346045
5 √n
45.721534882536
1 , 3 , 23 , 69 , 419 , 1257 , 6911 , 9637 , 20733 , 28911 , 158953 , 476859 , 2895709 , 8687127 , 66601307 , 199803921
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
-199803920
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 199803921 can be divided by 16 positive divisors.
The sum of these divisors (counting 199803921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011111010001100010000010001
3
Ternary
111220222002110020
4
Quaternary
23322030100101
5
Quinary
402122211141
6
Senary
31454254053
8
Octal
1372142021
10
Decimal
199803921
12
Duodecimal
56ab7329
16
Hexadecimal
be8c411
20
Vigesimal
328f9g1
36
Base36
3ayhox
md5
393540c650f174c2466f2ca7580efa48
sha1
b2105aced45a88f7fec6738f1bef8a86f255d6e7
sha256
bbca9425d11bfbbe198e0aa2cd8d2ca027c2ad67201bf5bb6e9319553e3132cf
sha512
f5bee80b0feb6a29cc8b83984478e4f4dc5fa5e6c961698f62a5c48e7b726340181619a2b1bacf75602e15c6f4b2505366529cc206544279855e290bfe1be1fa
ripemd-160
b95ea68da472ec690ea77a846921f359563edfc3
Diameter
399607842
Circumference
1255405060.7441
Area
1.2541742678995E+17
Volume
3.3411858179151E+25
Surface area
5.0166970715982E+17
Circumference
1255405060.7441
Perimeter
799215684
Area
39921606846974241
Diagonal
282565414.89352
Surface area
239529641081845446
Volume
7.9764935806459E+24
Space diagonal
346070542.72348
Perimeter
599411763
Area
1.7286562844687E+16
Altitude
173035271.36174
Surface area
1.7286562844687E+16
Volume
9.4003878349428E+23
Height
94188471.631174