19900 is an even 5-digits composite number following 19899
and preceding 19901 . In scientific notation, it is written as 1.9900 × 10^4.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 7920 positive integers (up to 19900) that are relatively prime to 19900.
19900 has 12 divisors, whose sum is 36400
The reverse of 19900 is 00991
Previous prime number is 25
Is Prime? no
Number parity even
Number length 5
Sum of Digits 19
Digital Root 1
Name
nineteen thousand nine hundred
Scientific notation
1.9900 × 10^4
Engineering notation
1.9900 × 10^3
Prime Factorization
2 × 2 × 25 × 199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9950
Product of the distinct prime numbers
The prime factorization of 19900 is 2 × 2 × 25 × 199.
Since it has a total of 4 prime factors.
3 , 4 , 8 , 84 , 539 , 872 , 9783 , 1690 , 262 , 21552 , 286391 , 74614 , 9489522 , 8929868 , 98248876 , 99267823 , 846786310 , 636777724 , 8655161400 , 1089844892
n×2
39800
n×3
59700
n×4
79600
n×5
99500
n÷2
9950
n÷3
6633.3333333333
n÷3
4975
n÷5
3980
n2
396010000
n3
7880599000000
n4
156823920100000000
n5
3.12079600999E+21
2 √n
141.06735979666
3 √n
27.098860261703
4 √n
11.877178107474
5 √n
7.2405343009073
1 , 2 , 4 , 25 , 50 , 100 , 199 , 398 , 796 , 4975 , 9950 , 19900
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
-19899
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 19900 can be divided by 12 positive divisors.
The sum of these divisors (counting 19900) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110111100
3
Ternary
1000022001
4
Quaternary
10312330
5
Quinary
1114100
6
Senary
232044
8
Octal
46674
10
Decimal
19900
12
Duodecimal
b624
16
Hexadecimal
4dbc
20
Vigesimal
29f0
36
Base36
fcs
md5
df21dd60d0bc96c4e9c9612fb873810f
sha1
cf5696243f9ed4e2dbf864bab3ad568e7b4153d8
sha256
a18b2f43af268acf67245df1c32ba5a6abf533cbcb06423cddeb75b3f463b29e
sha512
7cd35e91b02c3a8b84c5d44e67fb8941675e11fd3d3e257775e4dd65ec4dee1ad095f4fadc70e946a9824d7a35942e597ace4b6990d401a79d1e47ab9acc3cb5
ripemd-160
2b2c2f3c758820b5adc31c8eb347a168d4cc22ef
Diameter
39800
Circumference
125035.38761287
Area
1244102106.7481
Volume
33010175899049
Surface area
4976408426.9924
Circumference
125035.38761287
Perimeter
79600
Area
396010000
Diagonal
28142.849891225
Surface area
2376060000
Volume
7880599000000
Space diagonal
34467.811070621
Perimeter
59700
Area
171477360.07634
Altitude
17233.90553531
Surface area
171477360.07634
Volume
928737498785.32
Height
9380.9499637415