19981488 is an even 8-digits composite number following 19981487
and preceding 19981489 . In scientific notation, it is written as 1.9981488 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 20 positive divisors.
There are 6660480 positive integers (up to 19981488) that are relatively prime to 19981488.
19981488 has 20 divisors, whose sum is 51618968
The reverse of 19981488 is 88418991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred eighty-one thousand four hundred eighty-eight
Scientific notation
1.9981488 × 10^7
Engineering notation
1.9981488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 416281
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2497686
Product of the distinct prime numbers
The prime factorization of 19981488 is 2 × 2 × 2 × 2 × 3 × 416281.
Since it has a total of 6 prime factors.
7 , 1 , 46 , 70 , 400 , 398 , 9715 , 6286 , 29204 , 32575 , 709335 , 157325 , 3933897 , 6761918 , 22871725 , 85107623 , 149895320 , 619469132 , 9008028653 , 9087344334
n×2
39962976
n×3
59944464
n×4
79925952
n×5
99907440
n÷2
9990744
n÷3
6660496
n÷3
4995372
n÷5
3996297.6
n2
399259862694144
n3
7.9778061553047E+21
n4
1.5940843795855E+29
n5
3.1852177901674E+36
2 √n
4470.0657713282
3 √n
271.35798697536
4 √n
66.858550472832
5 √n
28.848654687294
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 416281 , 832562 , 1248843 , 1665124 , 2497686 , 3330248 , 4995372 , 6660496 , 9990744 , 19981488
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981488 can be divided by 20 positive divisors.
The sum of these divisors (counting 19981488) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100001110010010110000
3
Ternary
1101121011110010
4
Quaternary
1030032102300
5
Quinary
20103401423
6
Senary
1552134520
8
Octal
114162260
10
Decimal
19981488
12
Duodecimal
6837440
16
Hexadecimal
130e4b0
20
Vigesimal
64hde8
36
Base36
bw9tc
md5
484fa6caf63d044424263213ffba001e
sha1
4dfca7d78cb8297cc729d5ee1c375390bea9e477
sha256
8404a864400e18355c724e202dcec654bfd7e8c172c540e8b4db51123c43cdd4
sha512
0cf489a910c4f0fc042bbf69ee9fc4fff6d9a359d121c9030bcd985f7b4386a5524720d8f8f65553363d270da17c89ec97e6b1d90c5b94a2507b4ac4f671890a
ripemd-160
6e26b5c0c333e7cc69aca9ddb88c15c30d089125
Diameter
39962976
Circumference
125547391.81719
Area
1.2543118515132E+15
Volume
3.3417356279025E+22
Surface area
5.0172474060528E+15
Circumference
125547391.81719
Perimeter
79925952
Area
399259862694144
Diagonal
28258091.325995
Surface area
2395559176164864
Volume
7.9778061553047E+21
Space diagonal
34608952.426828
Perimeter
59944464
Area
1.7288459190231E+14
Altitude
17304476.213414
Surface area
1.7288459190231E+14
Volume
9.4019347190129E+20
Height
9419363.7753318