19989810 is an even 8-digits composite number following 19989809
and preceding 19989811 . In scientific notation, it is written as 1.9989810 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 5330592 positive integers (up to 19989810) that are relatively prime to 19989810.
19989810 has 16 divisors, whose sum is 42645120
The reverse of 19989810 is 01898991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred eighty-nine thousand eight hundred ten
Scientific notation
1.9989810 × 10^7
Engineering notation
1.9989810 × 10^6
Prime Factorization
2 × 15 × 3 × 222109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19989810
Product of the distinct prime numbers
The prime factorization of 19989810 is 2 × 15 × 3 × 222109.
Since it has a total of 4 prime factors.
7 , 5 , 16 , 95 , 638 , 274 , 3551 , 5837 , 84742 , 61236 , 778829 , 764329 , 4816926 , 9578387 , 17042559 , 7163998 , 964254106 , 206649208 , 3278464644 , 2004563340
n×2
39979620
n×3
59969430
n×4
79959240
n×5
99949050
n÷2
9994905
n÷3
6663270
n÷3
4997452.5
n÷5
3997962
n2
399592503836100
n3
7.9877782291079E+21
n4
1.59674169122E+29
n5
3.1918563026567E+36
2 √n
4470.9965332127
3 √n
271.39565396879
4 √n
66.865510790038
5 √n
28.851057296335
1 , 2 , 3 , 6 , 15 , 30 , 45 , 90 , 222109 , 444218 , 666327 , 1332654 , 3331635 , 6663270 , 9994905 , 19989810
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
-19989809
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 19989810 can be divided by 16 positive divisors.
The sum of these divisors (counting 19989810) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010000010100110010
3
Ternary
1101121120212100
4
Quaternary
1030100110302
5
Quinary
20104133220
6
Senary
1552241230
8
Octal
114202462
10
Decimal
19989810
12
Duodecimal
6840216
16
Hexadecimal
1310532
20
Vigesimal
64ieaa
36
Base36
bwg8i
md5
7a70dc5b73023e27cd749937490285c3
sha1
2428ffbdd2f2f843f2319ed353abe13c2958d5c7
sha256
9d926b446f6337beb84435d321ed77332d7af8670a843ce2035cf25230621a06
sha512
dc2dfa45bb3694a7175db0b633c17ef192e0345ddf27f57768af0e3d87f538c555f236c671186c54e958ed642476c5656658a2d20768f1a9dce1ce88d203c430
ripemd-160
951674794730946b3abf566254cf4bf7c09e0dd4
Diameter
39979620
Circumference
125599680.48531
Area
1.255356874481E+15
Volume
3.3459127204093E+22
Surface area
5.0214274979242E+15
Circumference
125599680.48531
Perimeter
79959240
Area
399592503836100
Diagonal
28269860.411261
Surface area
2397555023016600
Volume
7.9877782291079E+21
Space diagonal
34623366.553648
Perimeter
59969430
Area
1.7302862974195E+14
Altitude
17311683.276824
Surface area
1.7302862974195E+14
Volume
9.4136869206941E+20
Height
9423286.8037538