199931909 is an odd 9-digits composite number following 199931908
and preceding 199931910 . In scientific notation, it is written as 1.99931909 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 196892640 positive integers (up to 199931909) that are relatively prime to 199931909.
199931909 has 8 divisors, whose sum is 202994688
The reverse of 199931909 is 909139991
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred ninety-nine million nine hundred thirty-one thousand nine hundred nine
Scientific notation
1.99931909 × 10^8
Engineering notation
1.99931909 × 10^6
Prime Factorization
137 × 127 × 11491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
199931909
Product of the distinct prime numbers
The prime factorization of 199931909 is 137 × 127 × 11491.
Since it has a total of 3 prime factors.
10 , 3 , 11 , 67 , 642 , 456 , 2718 , 2961 , 52356 , 38042 , 808174 , 621506 , 4257253 , 7605679 , 6360643 , 55328419 , 739538161 , 124227896 , 8424321821 , 1609498457
n×2
399863818
n×3
599795727
n×4
799727636
n×5
999659545
n÷2
99965954.5
n÷3
66643969.666667
n÷3
49982977.25
n÷5
39986381.8
n2
39972768236384281
n3
7.9918318615149E+24
n4
1.5978222004797E+33
n5
3.1945564278449E+41
2 √n
14139.728038403
3 √n
584.73717367895
4 √n
118.91058842005
5 √n
45.727390932769
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199931908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199931909 can be divided by 8 positive divisors.
The sum of these divisors (counting 199931909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111010101011100000000101
3
Ternary
111221012121000112
4
Quaternary
23322223200011
5
Quinary
402140310114
6
Senary
31501122405
8
Octal
1372534005
10
Decimal
199931909
12
Duodecimal
56b59405
16
Hexadecimal
beab805
20
Vigesimal
329b9f9
36
Base36
3b18g5
md5
9d18203f351038359414452278599e31
sha1
24325e17a5be5ffb26b5efab6e2cb1670d110ed8
sha256
5cfe1dc7f40ab088ed2415c7383b0b8553d1857fe6f33a6e239cc725e76e1a98
sha512
255865de707ac9598dc76e2342e22f1d7f7f7ce25708f0586ccc234893b9cfc55662944ab4372c3e681b7499479c74f5c5b91b5eb9c9e892889e3ae1f97f43d6
ripemd-160
e21faa0c580f99804b0e2d87361f95226cfd9922
Diameter
399863818
Circumference
1256209233.0652
Area
1.2557815503507E+17
Volume
3.3476107019813E+25
Surface area
5.0231262014029E+17
Circumference
1256209233.0652
Perimeter
799727636
Area
39972768236384281
Diagonal
282746417.25894
Surface area
239836609418305686
Volume
7.9918318615149E+24
Space diagonal
346292224.44224
Perimeter
599795727
Area
1.7308716376148E+16
Altitude
173146112.22112
Surface area
1.7308716376148E+16
Volume
9.4184641722998E+23
Height
94248805.752981