19809912 is an even 8-digits composite number following 19809911
and preceding 19809913 . In scientific notation, it is written as 1.9809912 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 6603296 positive integers (up to 19809912) that are relatively prime to 19809912.
19809912 has 16 divisors, whose sum is 49524840
The reverse of 19809912 is 21990891
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million eight hundred nine thousand nine hundred twelve
Scientific notation
1.9809912 × 10^7
Engineering notation
1.9809912 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 825413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4952478
Product of the distinct prime numbers
The prime factorization of 19809912 is 2 × 2 × 2 × 3 × 825413.
Since it has a total of 5 prime factors.
4 , 1 , 63 , 65 , 924 , 910 , 6585 , 1630 , 39353 , 4824 , 648347 , 814786 , 260406 , 6826797 , 61657601 , 29590488 , 523889871 , 573666503 , 6235693065 , 4035631710
n×2
39619824
n×3
59429736
n×4
79239648
n×5
99049560
n÷2
9904956
n÷3
6603304
n÷3
4952478
n÷5
3961982.4
n2
392432613447744
n3
7.7740555383298E+21
n4
1.5400335609743E+29
n5
3.0507929319947E+36
2 √n
4450.832731074
3 √n
270.57905900903
4 √n
66.714561611945
5 √n
28.798940414238
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 825413 , 1650826 , 2476239 , 3301652 , 4952478 , 6603304 , 9904956 , 19809912
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19809911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19809912 can be divided by 16 positive divisors.
The sum of these divisors (counting 19809912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011100100011001111000
3
Ternary
1101021110002110
4
Quaternary
1023210121320
5
Quinary
20032404122
6
Senary
1544332320
8
Octal
113443170
10
Decimal
19809912
12
Duodecimal
67740a0
16
Hexadecimal
12e4678
20
Vigesimal
63g4fc
36
Base36
bslfc
md5
9974fa91f089eca9d866b0b28b5363ad
sha1
5e5619ba3075f131e19e9e6c476fde75f4d2be74
sha256
60c68dd80de1f6aea2f526c69b7c395efe94e58a2b985c8d8f85551fedcbbefd
sha512
a71871441bb0c838ef8590e0d82a5a015216cef36e622e78d1f4fe7dc65c49f7bb143c99302b12e3150631258a27dc8073b16f68364b2fbd17e816483f2aa263
ripemd-160
a7da1799d48ef650c72f8e6823c0d5bf8980bd2e
Diameter
39619824
Circumference
124469348.01492
Area
1.2328634154365E+15
Volume
3.2563887690421E+22
Surface area
4.9314536617459E+15
Circumference
124469348.01492
Perimeter
79239648
Area
392432613447744
Diagonal
28015446.219818
Surface area
2354595680686464
Volume
7.7740555383298E+21
Space diagonal
34311774.077468
Perimeter
59429736
Area
1.6992830625963E+14
Altitude
17155887.038734
Surface area
1.6992830625963E+14
Volume
9.1618123141231E+20
Height
9338482.0732725