19985966 is an even 8-digits composite number following 19985965
and preceding 19985967 . In scientific notation, it is written as 1.9985966 × 10^7.
The sum of its digits is 53. It has a total of 5 prime factors and 32 positive divisors.
There are 7032960 positive integers (up to 19985966) that are relatively prime to 19985966.
19985966 has 32 divisors, whose sum is 33415200
The reverse of 19985966 is 66958991
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million nine hundred eighty-five thousand nine hundred sixty-six
Scientific notation
1.9985966 × 10^7
Engineering notation
1.9985966 × 10^6
Prime Factorization
2 × 77 × 13 × 67 × 149
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19985966
Product of the distinct prime numbers
The prime factorization of 19985966 is 2 × 77 × 13 × 67 × 149.
Since it has a total of 5 prime factors.
4 , 1 , 60 , 85 , 79 , 461 , 4555 , 6916 , 84784 , 93713 , 224537 , 545289 , 3548381 , 8871515 , 56799536 , 30497242 , 211127854 , 668075100 , 5984273853 , 5681633902
n×2
39971932
n×3
59957898
n×4
79943864
n×5
99929830
n÷2
9992983
n÷3
6661988.6666667
n÷3
4996491.5
n÷5
3997193.2
n2
399438836953156
n3
7.9831710144253E+21
n4
1.5955138446649E+29
n5
3.1887885452002E+36
2 √n
4470.5666307528
3 √n
271.37825657528
4 √n
66.862296032613
5 √n
28.849947610992
1 , 2 , 13 , 26 , 67 , 77 , 134 , 149 , 154 , 298 , 871 , 1001 , 1742 , 1937 , 2002 , 3874 , 5159 , 9983 , 10318 , 11473 , 19966 , 22946 , 67067 , 129779 , 134134 , 149149 , 259558 , 298298 , 768691 , 1537382 , 9992983 , 19985966
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19985965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19985966 can be divided by 32 positive divisors.
The sum of these divisors (counting 19985966) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100001111011000101110
3
Ternary
1101121101120222
4
Quaternary
1030033120232
5
Quinary
20104022331
6
Senary
1552211342
8
Octal
114173056
10
Decimal
19985966
12
Duodecimal
6839b52
16
Hexadecimal
130f62e
20
Vigesimal
64i4i6
36
Base36
bwd9q
md5
652e874ee6a802867d04e92a3d7945af
sha1
e02b97be1174edaa0067b068df7e08e5181bbd86
sha256
9412187745b44ecee318af5829c33aace1c5945a4b188759866cda7a3257b1ec
sha512
d422e1a3076080967ea1a40511a32ab5ccf7fa7e0ecbca43697c825f7b79a456bd9809235ea8d764c6d7af6835378f8ee2c95c03f74eb5a2533b3734e6dbf492
ripemd-160
a2fd9104a464c5ad6535d27072a8947e984148b9
Diameter
39971932
Circumference
125575527.92099
Area
1.2548741157305E+15
Volume
3.3439828548359E+22
Surface area
5.0194964629219E+15
Circumference
125575527.92099
Perimeter
79943864
Area
399438836953156
Diagonal
28264424.174328
Surface area
2396633021718936
Volume
7.9831710144253E+21
Space diagonal
34616708.550344
Perimeter
59957898
Area
1.7296209002977E+14
Altitude
17308354.275172
Surface area
1.7296209002977E+14
Volume
9.4082572661201E+20
Height
9421474.7247759