199981904 is an even 9-digits composite number following 199981903
and preceding 199981905 . In scientific notation, it is written as 1.99981904 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 10 positive divisors.
There are 99990944 positive integers (up to 199981904) that are relatively prime to 199981904.
199981904 has 10 divisors, whose sum is 387464970
The reverse of 199981904 is 409189991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred ninety-nine million nine hundred eighty-one thousand nine hundred four
Scientific notation
1.99981904 × 10^8
Engineering notation
1.99981904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 12498869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
24997738
Product of the distinct prime numbers
The prime factorization of 199981904 is 2 × 2 × 2 × 2 × 12498869.
Since it has a total of 5 prime factors.
8 , 9 , 3 , 23 , 385 , 189 , 4620 , 2049 , 23480 , 98982 , 17015 , 190379 , 3792132 , 9669089 , 35536768 , 39641689 , 763426740 , 942736437 , 8125018359 , 6120902807
n×2
399963808
n×3
599945712
n×4
799927616
n×5
999909520
n÷2
99990952
n÷3
66660634.666667
n÷3
49995476
n÷5
39996380.8
n2
39992761927465216
n3
7.9978286764732E+24
n4
1.5994210065869E+33
n5
3.1985525819485E+41
2 √n
14141.495819043
3 √n
584.7859094356
4 √n
118.9180214225
5 √n
45.729677623559
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199981903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199981904 can be divided by 10 positive divisors.
The sum of these divisors (counting 199981904) is 1, the average is 0.1.
Base
System
Value
2
Binary
1011111010110111101101010000
3
Ternary
111221022010121012
4
Quaternary
23322313231100
5
Quinary
402143410104
6
Senary
31502150052
8
Octal
1372675520
10
Decimal
199981904
12
Duodecimal
56b82328
16
Hexadecimal
beb7b50
20
Vigesimal
329hef4
36
Base36
3b2b0w
md5
fecc53dac7efbd6211889d7a1ac767ee
sha1
57f697fed0da6158acdfeeb430b3a1778240a45d
sha256
330a370ded1d49c6381763b23c6dc5d1c2f6d8346f79934eca39961379d047f4
sha512
d200a36f5d3c5f79349cf00bc7b96b03a43ae33994a002cb6c9f8349d889c3043cc35225959172fcfeaec1b60f14e2281c7950681239aba6883b3d8f313ff8bf
ripemd-160
b9f95b2bdf18a50f2998519d0d4b034b63d4a8b8
Diameter
399963808
Circumference
1256523360.9146
Area
1.2564096706809E+17
Volume
3.3501226419571E+25
Surface area
5.0256386827236E+17
Circumference
1256523360.9146
Perimeter
799927616
Area
39992761927465216
Diagonal
282817120.86599
Surface area
239956571564791296
Volume
7.9978286764732E+24
Space diagonal
346378818.32236
Perimeter
599945712
Area
1.7317373898344E+16
Altitude
173189409.16118
Surface area
1.7317373898344E+16
Volume
9.4255314865041E+23
Height
94272373.621998