199442821 is an odd 9-digits composite number following 199442820
and preceding 199442822 . In scientific notation, it is written as 1.99442821 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 190771372 positive integers (up to 199442821) that are relatively prime to 199442821.
199442821 has 4 divisors, whose sum is 208114272
The reverse of 199442821 is 128244991
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred ninety-nine million four hundred forty-two thousand eight hundred twenty-one
Scientific notation
1.99442821 × 10^8
Engineering notation
1.99442821 × 10^6
Prime Factorization
23 × 8671427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
199442821
Product of the distinct prime numbers
The prime factorization of 199442821 is 23 × 8671427.
Since it has a total of 2 prime factors.
9 , 7 , 24 , 38 , 577 , 658 , 5662 , 7172 , 8161 , 69292 , 81095 , 746323 , 2053090 , 8325990 , 61502262 , 26183998 , 559375953 , 626478788 , 8214812921 , 2996823063
n×2
398885642
n×3
598328463
n×4
797771284
n×5
997214105
n÷2
99721410.5
n÷3
66480940.333333
n÷3
49860705.25
n÷5
39888564.2
n2
39777438848438041
n3
7.9333246160875E+24
n4
1.5822446413412E+33
n5
3.1556733478123E+41
2 √n
14122.422632112
3 √n
584.25997545817
4 √n
118.83779967718
5 √n
45.704996674098
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
-199442820
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 199442821 can be divided by 4 positive divisors.
The sum of these divisors (counting 199442821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011111000110100000110000101
3
Ternary
111220021202010011
4
Quaternary
23320310012011
5
Quinary
402024132241
6
Senary
31442430221
8
Octal
1370640605
10
Decimal
199442821
12
Duodecimal
56962371
16
Hexadecimal
be34185
20
Vigesimal
326a711
36
Base36
3aqr2d
md5
90cb9172bf34448457162714456afd3d
sha1
8dcb607d235d70ca178db57b9594b72af4e95160
sha256
ae02f3b81e4462fdab48e33e0afb3fa4d0ff8789886ddc9c9fcec33a861eddf9
sha512
d4ce911b925276da839e241b372bfe0c4f249a2d4c9994ed31f408e0d8b8e761e34fe9912de123c9af47980b47b3ddd3126d0796234f1f27ffa839cddcfb6a93
ripemd-160
61317654e52a5920f56dde784dd9be18c45b53b2
Diameter
398885642
Circumference
1253136202.5296
Area
1.2496450966487E+17
Volume
3.3231032443258E+25
Surface area
4.9985803865948E+17
Circumference
1253136202.5296
Perimeter
797771284
Area
39777438848438041
Diagonal
282054742.37615
Surface area
238664633090628246
Volume
7.9333246160875E+24
Space diagonal
345445099.17687
Perimeter
598328463
Area
1.7224136270115E+16
Altitude
172722549.58843
Surface area
1.7224136270115E+16
Volume
9.349512722316E+23
Height
94018247.458717