199871621 is an odd 9-digits composite number following 199871620
and preceding 199871622 . In scientific notation, it is written as 1.99871621 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 188784000 positive integers (up to 199871621) that are relatively prime to 199871621.
199871621 has 12 divisors, whose sum is 211578444
The reverse of 199871621 is 126178991
Previous prime number is 461
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred ninety-nine million eight hundred seventy-one thousand six hundred twenty-one
Scientific notation
1.99871621 × 10^8
Engineering notation
1.99871621 × 10^6
Prime Factorization
19 × 19 × 461 × 1201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10519559
Product of the distinct prime numbers
The prime factorization of 199871621 is 19 × 19 × 461 × 1201.
Since it has a total of 4 prime factors.
8 , 10 , 29 , 48 , 965 , 793 , 3401 , 8417 , 76555 , 35254 , 127854 , 642515 , 7949160 , 6355650 , 65920242 , 26690603 , 280378515 , 618112523 , 1031625006 , 8486174467
n×2
399743242
n×3
599614863
n×4
799486484
n×5
999358105
n÷2
99935810.5
n÷3
66623873.666667
n÷3
49967905.25
n÷5
39974324.2
n2
39948664881167641
n3
7.9846044065847E+24
n4
1.5958958257878E+33
n5
3.1897428564735E+41
2 √n
14137.596012052
3 √n
584.67839336905
4 √n
118.90162325239
5 √n
45.724632848241
1 , 19 , 361 , 461 , 1201 , 8759 , 22819 , 166421 , 433561 , 553661 , 10519559 , 199871621
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199871620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199871621 can be divided by 12 positive divisors.
The sum of these divisors (counting 199871621) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011111010011100110010000101
3
Ternary
111221002112022122
4
Quaternary
23322130302011
5
Quinary
402131342441
6
Senary
31455535325
8
Octal
1372346205
10
Decimal
199871621
12
Duodecimal
56b2a545
16
Hexadecimal
be9cc85
20
Vigesimal
3293j11
36
Base36
3azxxh
md5
5c6971eb402bd2f1144dbc7680e19dfa
sha1
2bf16e03c97eae8c32eedd64df8e20aa3d0b4ecd
sha256
48fea4b1ddb98e1c60582cda4bc33862ff5b81d2df9835a984269a06a30ff25a
sha512
29db84ae2aafc4da050941bebf9c00ba9cddaf6d39f76b9098e06d1428780ef3b9f8c68e0e1618fb0bec83d6f219cdf148f09d2d1f9b35c8d921e291f42601c4
ripemd-160
83d1b0930cb1fb1dddc6dfcf4f8049b8fe4c515e
Diameter
399743242
Circumference
1255830432.3894
Area
1.255024321114E+17
Volume
3.3445832727396E+25
Surface area
5.0200972844559E+17
Circumference
1255830432.3894
Perimeter
799486484
Area
39948664881167641
Diagonal
282661157.1517
Surface area
239691989287005846
Volume
7.9846044065847E+24
Space diagonal
346187802.56315
Perimeter
599614863
Area
1.7298279317181E+16
Altitude
173093901.28158
Surface area
1.7298279317181E+16
Volume
9.4099465349801E+23
Height
94220385.717232