19985900 is an even 8-digits composite number following 19985899
and preceding 19985901 . In scientific notation, it is written as 1.9985900 × 10^7.
The sum of its digits is 41. It has a total of 6 prime factors and 36 positive divisors.
There are 7267200 positive integers (up to 19985900) that are relatively prime to 19985900.
19985900 has 36 divisors, whose sum is 47314680
The reverse of 19985900 is 00958991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred eighty-five thousand nine hundred
Scientific notation
1.9985900 × 10^7
Engineering notation
1.9985900 × 10^6
Prime Factorization
2 × 2 × 11 × 5 × 5 × 18169
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1998590
Product of the distinct prime numbers
The prime factorization of 19985900 is 2 × 2 × 11 × 5 × 5 × 18169.
Since it has a total of 6 prime factors.
8 , 6 , 64 , 77 , 622 , 698 , 4687 , 9340 , 88310 , 55461 , 722099 , 352704 , 2164037 , 4267426 , 2737292 , 94001232 , 864464613 , 702268840 , 469561881 , 6314624270
n×2
39971800
n×3
59957700
n×4
79943600
n×5
99929500
n÷2
9992950
n÷3
6661966.6666667
n÷3
4996475
n÷5
3997180
n2
399436198810000
n3
7.9830919257968E+21
n4
1.5954927691978E+29
n5
3.1887358935911E+36
2 √n
4470.559249132
3 √n
271.37795784926
4 √n
66.862240832416
5 √n
28.849928556631
1 , 2 , 4 , 5 , 10 , 11 , 20 , 22 , 25 , 44 , 50 , 55 , 100 , 110 , 220 , 275 , 550 , 1100 , 18169 , 36338 , 72676 , 90845 , 181690 , 199859 , 363380 , 399718 , 454225 , 799436 , 908450 , 999295 , 1816900 , 1998590 , 3997180 , 4996475 , 9992950 , 19985900
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19985899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19985900 can be divided by 36 positive divisors.
The sum of these divisors (counting 19985900) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001100001111010111101100
3
Ternary
1101121101111112
4
Quaternary
1030033113230
5
Quinary
20104022100
6
Senary
1552211152
8
Octal
114172754
10
Decimal
19985900
12
Duodecimal
6839ab8
16
Hexadecimal
130f5ec
20
Vigesimal
64i4f0
36
Base36
bwd7w
md5
cb647e5eb5d76d8203e90c5e311b145b
sha1
ae3857858dd6cc800cba9d89f1d3d3f331e922a4
sha256
1277a43f250882b830230933cfc579b460877127408ecab1336b535c849e5ab1
sha512
64839caa683aedb33a4e77c0156a6ca82496ca2ae64bd67f0c46d3cdccbbf077c8f4c7e25611b7d87bdc284562845a92d37306da2967f13c7f819504dd0af024
ripemd-160
215ab0b6a71293352a7626d57dc7cf7b941ebabf
Diameter
39971800
Circumference
125575113.23076
Area
1.2548658277593E+15
Volume
3.3439497262687E+22
Surface area
5.0194633110373E+15
Circumference
125575113.23076
Perimeter
79943600
Area
399436198810000
Diagonal
28264330.836232
Surface area
2396617192860000
Volume
7.9830919257968E+21
Space diagonal
34616594.234991
Perimeter
59957700
Area
1.7296094768028E+14
Altitude
17308297.117495
Surface area
1.7296094768028E+14
Volume
9.4081640592775E+20
Height
9421443.6120775