19989812 is an even 8-digits composite number following 19989811
and preceding 19989813 . In scientific notation, it is written as 1.9989812 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 9984576 positive integers (up to 19989812) that are relatively prime to 19989812.
19989812 has 12 divisors, whose sum is 35018340
The reverse of 19989812 is 21898991
Previous prime number is 1289
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred eighty-nine thousand eight hundred twelve
Scientific notation
1.9989812 × 10^7
Engineering notation
1.9989812 × 10^6
Prime Factorization
2 × 2 × 1289 × 3877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9994906
Product of the distinct prime numbers
The prime factorization of 19989812 is 2 × 2 × 1289 × 3877.
Since it has a total of 4 prime factors.
8 , 2 , 1 , 94 , 87 , 209 , 7889 , 3474 , 78123 , 4060 , 722827 , 324075 , 3089039 , 221542 , 31126678 , 25448244 , 981422701 , 555782033 , 5294948638 , 5839336725
n×2
39979624
n×3
59969436
n×4
79959248
n×5
99949060
n÷2
9994906
n÷3
6663270.6666667
n÷3
4997453
n÷5
3997962.4
n2
399592583795344
n3
7.9877806266632E+21
n4
1.5967423302424E+29
n5
3.1918578993987E+36
2 √n
4470.9967568765
3 √n
271.39566301993
4 √n
66.865512462528
5 √n
28.851057873651
1 , 2 , 4 , 1289 , 2578 , 3877 , 5156 , 7754 , 15508 , 4997453 , 9994906 , 19989812
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
-19989811
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 19989812 can be divided by 12 positive divisors.
The sum of these divisors (counting 19989812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010000010100110100
3
Ternary
1101121120212102
4
Quaternary
1030100110310
5
Quinary
20104133222
6
Senary
1552241232
8
Octal
114202464
10
Decimal
19989812
12
Duodecimal
6840218
16
Hexadecimal
1310534
20
Vigesimal
64ieac
36
Base36
bwg8k
md5
2829bf8a77abed7aa73967f14e18ac1d
sha1
1699459bcbe8472dc2bb46c745fadaf8b90ffea5
sha256
266280d4d8eb701188331d2e5a688f62442d544c96c8c86150ebeb1f4b26f529
sha512
d9022973cd8d3e8561f603949f79613f99a72fc182bd08a6a78948a1d9b064e7c6eaf5229b37ece1047e1a23f27eeee94d94ba4cb1347d5967fa70e3983f4efa
ripemd-160
37a4bc969bff20f08c2836bed0d811edbb7c647c
Diameter
39979624
Circumference
125599693.05168
Area
1.2553571256804E+15
Volume
3.3459137246949E+22
Surface area
5.0214285027217E+15
Circumference
125599693.05168
Perimeter
79959248
Area
399592583795344
Diagonal
28269863.239688
Surface area
2397555502772064
Volume
7.9877806266632E+21
Space diagonal
34623370.01775
Perimeter
59969436
Area
1.7302866436531E+14
Altitude
17311685.008875
Surface area
1.7302866436531E+14
Volume
9.4136897462401E+20
Height
9423287.7465628