199149721 is an odd 9-digits composite number following 199149720
and preceding 199149722 . In scientific notation, it is written as 1.99149721 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 195774244 positive integers (up to 199149721) that are relatively prime to 199149721.
199149721 has 4 divisors, whose sum is 202525200
The reverse of 199149721 is 127941991
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred ninety-nine million one hundred forty-nine thousand seven hundred twenty-one
Scientific notation
1.99149721 × 10^8
Engineering notation
1.99149721 × 10^6
Prime Factorization
59 × 3375419
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
199149721
Product of the distinct prime numbers
The prime factorization of 199149721 is 59 × 3375419.
Since it has a total of 2 prime factors.
7 , 4 , 71 , 11 , 845 , 537 , 8075 , 3729 , 85369 , 97959 , 269723 , 988337 , 5849789 , 7462171 , 36554721 , 6420616 , 406656530 , 200415319 , 4018576403 , 1907157328
n×2
398299442
n×3
597449163
n×4
796598884
n×5
995748605
n÷2
99574860.5
n÷3
66383240.333333
n÷3
49787430.25
n÷5
39829944.2
n2
39660611374377841
n3
7.8983996898968E+24
n4
1.5729640945894E+33
n5
3.132553605805E+41
2 √n
14112.041702036
3 √n
583.97362679582
4 √n
118.79411476178
5 √n
45.691555211366
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
-199149720
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 199149721 can be divided by 4 positive divisors.
The sum of these divisors (counting 199149721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011110111101100100010011001
3
Ternary
111212201212001121
4
Quaternary
23313230202121
5
Quinary
401440242341
6
Senary
31432245241
8
Octal
1367544231
10
Decimal
199149721
12
Duodecimal
56840821
16
Hexadecimal
bdec899
20
Vigesimal
324de61
36
Base36
3akgwp
md5
e43237e5cede08647f95cf724b764f12
sha1
8b849103dfe619d6582540cb30cd39cf835ada5e
sha256
eff17b4336d9f4fc303fad9c0bdead94f3616bba9f25c71c80dd2949b10c8635
sha512
75e33978a8f60a62c6093ee1d1794a3b92d3615fa5e02d4f07d03eac7ca254fd0de0e6ff21e1961d1ced8a33bcfc950399858a3c7f915ea713f203a97250dad3
ripemd-160
d3b465d96dbd8abe587bf02fe4d4a4c1b26b7039
Diameter
398299442
Circumference
1251294600.9161
Area
1.2459748533063E+17
Volume
3.3084739254527E+25
Surface area
4.983899413225E+17
Circumference
1251294600.9161
Perimeter
796598884
Area
39660611374377841
Diagonal
281640236.38102
Surface area
237963668246267046
Volume
7.8983996898968E+24
Space diagonal
344937435.08517
Perimeter
597449163
Area
1.7173548489917E+16
Altitude
172468717.54258
Surface area
1.7173548489917E+16
Volume
9.3083533020796E+23
Height
93880078.793673