19985207 is an odd 8-digits composite number following 19985206
and preceding 19985208 . In scientific notation, it is written as 1.9985207 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 17210160 positive integers (up to 19985207) that are relatively prime to 19985207.
19985207 has 12 divisors, whose sum is 23126040
The reverse of 19985207 is 70258991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred eighty-five thousand two hundred seven
Scientific notation
1.9985207 × 10^7
Engineering notation
1.9985207 × 10^6
Prime Factorization
11 × 19 × 11 × 8693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1816837
Product of the distinct prime numbers
The prime factorization of 19985207 is 11 × 19 × 11 × 8693.
Since it has a total of 4 prime factors.
3 , 2 , 65 , 82 , 848 , 505 , 3022 , 7480 , 54772 , 16026 , 155964 , 272154 , 2606279 , 5769799 , 72412594 , 64538199 , 918644072 , 382239574 , 1758513718 , 6283944724
n×2
39970414
n×3
59955621
n×4
79940828
n×5
99926035
n÷2
9992603.5
n÷3
6661735.6666667
n÷3
4996301.75
n÷5
3997041.4
n2
399408498832849
n3
7.9822615267337E+21
n4
1.5952714893991E+29
n5
3.1881830936839E+36
2 √n
4470.4817413787
3 √n
271.37482118627
4 √n
66.861661222098
5 √n
28.849728482801
1 , 11 , 19 , 121 , 209 , 2299 , 8693 , 95623 , 165167 , 1051853 , 1816837 , 19985207
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
-19985206
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 19985207 can be divided by 12 positive divisors.
The sum of these divisors (counting 19985207) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100001111001100110111
3
Ternary
1101121100112212
4
Quaternary
1030033030313
5
Quinary
20104011312
6
Senary
1552204035
8
Octal
114171467
10
Decimal
19985207
12
Duodecimal
683961b
16
Hexadecimal
130f337
20
Vigesimal
64i307
36
Base36
bwcon
md5
26a254f736a8c0644b456c6b745285d8
sha1
686287b83bbd05f035d2e91036184b3aff27e675
sha256
12e123c8a34dc2c21ae230d5024be0ef23ab3dea6a1f6f5fa8a65d643cd53206
sha512
388939bdc346316f9233f81ab37a9ecd005809ccb38b3a2b2211ea64ceecae3dbc9bf28b8527a72f0036f42514c7d0e4cf37299e0e581889ca96cfe4121a5c07
ripemd-160
2639d4965296c5a09018f54eb47a019c0b1c3d9b
Diameter
39970414
Circumference
125570758.98334
Area
1.2547788057146E+15
Volume
3.3436018895226E+22
Surface area
5.0191152228584E+15
Circumference
125570758.98334
Perimeter
79940828
Area
399408498832849
Diagonal
28263350.786234
Surface area
2396450992997094
Volume
7.9822615267337E+21
Space diagonal
34615393.923781
Perimeter
59955621
Area
1.7294895323833E+14
Altitude
17307696.961891
Surface area
1.7294895323833E+14
Volume
9.4071854245965E+20
Height
9421116.9287446