19985980 is an even 8-digits composite number following 19985979
and preceding 19985981 . In scientific notation, it is written as 1.9985980 × 10^7.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 6852288 positive integers (up to 19985980) that are relatively prime to 19985980.
19985980 has 24 divisors, whose sum is 47966688
The reverse of 19985980 is 08958991
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred eighty-five thousand nine hundred eighty
Scientific notation
1.9985980 × 10^7
Engineering notation
1.9985980 × 10^6
Prime Factorization
2 × 2 × 5 × 7 × 142757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9992990
Product of the distinct prime numbers
The prime factorization of 19985980 is 2 × 2 × 5 × 7 × 142757.
Since it has a total of 5 prime factors.
10 , 10 , 60 , 65 , 530 , 939 , 6641 , 6604 , 28022 , 90158 , 974787 , 517221 , 5540609 , 2808847 , 61050774 , 60804816 , 795360819 , 369621488 , 3416390772 , 716862277
n×2
39971960
n×3
59957940
n×4
79943920
n×5
99929900
n÷2
9992990
n÷3
6661993.3333333
n÷3
4996495
n÷5
3997196
n2
399439396560400
n3
7.9831877908682E+21
n4
1.5955183152454E+29
n5
3.1887997138128E+36
2 √n
4470.5681965495
3 √n
271.37831994132
4 √n
66.862307741728
5 √n
28.84995165282
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 142757 , 285514 , 571028 , 713785 , 999299 , 1427570 , 1998598 , 2855140 , 3997196 , 4996495 , 9992990 , 19985980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19985979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19985980 can be divided by 24 positive divisors.
The sum of these divisors (counting 19985980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100001111011000111100
3
Ternary
1101121101121111
4
Quaternary
1030033120330
5
Quinary
20104022410
6
Senary
1552211404
8
Octal
114173074
10
Decimal
19985980
12
Duodecimal
6839b64
16
Hexadecimal
130f63c
20
Vigesimal
64i4j0
36
Base36
bwda4
md5
c7b02ddcae7816625a649fb03a4c5071
sha1
b1880b6a5adc3c3a14c41e28aaad05e8bf437bb8
sha256
0485a4074e96a6c366b32190bca482f7b6e8ca65478b605e870342587a2857d3
sha512
03591bae79645d8f5942ef1bde23e7ab5cad34116bf0bb5217e4c585c8fc150790daa939c1911eec5080134bc6c7fb47c8c119e51c40c026323d7f2be26a3273
ripemd-160
03af5f767e690ab297ba7f504eebd9ceb8333da9
Diameter
39971960
Circumference
125575615.88559
Area
1.2548758737885E+15
Volume
3.3439898821359E+22
Surface area
5.019503495154E+15
Circumference
125575615.88559
Perimeter
79943920
Area
399439396560400
Diagonal
28264443.973317
Surface area
2396636379362400
Volume
7.9831877908682E+21
Space diagonal
34616732.799055
Perimeter
59957940
Area
1.7296233234682E+14
Altitude
17308366.399528
Surface area
1.7296233234682E+14
Volume
9.4082770373476E+20
Height
9421481.3244391