19989797 is an odd 8-digits composite number following 19989796
and preceding 19989798 . In scientific notation, it is written as 1.9989797 × 10^7.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 19524876 positive integers (up to 19989797) that are relatively prime to 19989797.
19989797 has 4 divisors, whose sum is 20454720
The reverse of 19989797 is 79798991
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 59
Digital Root 5
Name
nineteen million nine hundred eighty-nine thousand seven hundred ninety-seven
Scientific notation
1.9989797 × 10^7
Engineering notation
1.9989797 × 10^6
Prime Factorization
43 × 464879
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19989797
Product of the distinct prime numbers
The prime factorization of 19989797 is 43 × 464879.
Since it has a total of 2 prime factors.
4 , 6 , 99 , 76 , 860 , 535 , 2244 , 5253 , 78609 , 59176 , 930933 , 469635 , 4418237 , 1484441 , 92549785 , 60788353 , 266526485 , 815777044 , 9343613176 , 4564784800
n×2
39979594
n×3
59969391
n×4
79959188
n×5
99948985
n÷2
9994898.5
n÷3
6663265.6666667
n÷3
4997449.25
n÷5
3997959.4
n2
399591984101209
n3
7.9877626450104E+21
n4
1.5967375375794E+29
n5
3.1918459238492E+36
2 √n
4470.9950793979
3 √n
271.39559513641
4 √n
66.865499918851
5 √n
28.851053543785
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19989796
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989797 can be divided by 4 positive divisors.
The sum of these divisors (counting 19989797) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000010100100101
3
Ternary
1101121120211212
4
Quaternary
1030100110211
5
Quinary
20104133142
6
Senary
1552241205
8
Octal
114202445
10
Decimal
19989797
12
Duodecimal
6840205
16
Hexadecimal
1310525
20
Vigesimal
64ie9h
36
Base36
bwg85
md5
491d7d64ae93f1002e1dce64e8d02648
sha1
bae8299abd1b616228c9193e67bdd2a1864e26df
sha256
f59eb9cb74501c56d80b4db03d4b6d7c642d261ca9ed97a96a942ebf4cb43c26
sha512
c508a8200b055057124c457a0047f1f88c524d422b997041ace9aab3a2f7cd369efa56da1a1faadba14eb6e30d6ba8a3e7e6cc50dcd349afb6656dc76e1e2e10
ripemd-160
44f1708d1eaded709aee65e6d4ae7e4bbd88194f
Diameter
39979594
Circumference
125599598.8039
Area
1.2553552416857E+15
Volume
3.3459061925578E+22
Surface area
5.0214209667429E+15
Circumference
125599598.8039
Perimeter
79959188
Area
399591984101209
Diagonal
28269842.026485
Surface area
2397551904607254
Volume
7.9877626450104E+21
Space diagonal
34623344.036988
Perimeter
59969391
Area
1.7302840469014E+14
Altitude
17311672.018494
Surface area
1.7302840469014E+14
Volume
9.4136685546591E+20
Height
9423280.675495