19997780 is an even 8-digits composite number following 19997779
and preceding 19997781 . In scientific notation, it is written as 1.9997780 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 6842880 positive integers (up to 19997780) that are relatively prime to 19997780.
19997780 has 24 divisors, whose sum is 42227808
The reverse of 19997780 is 08779991
Previous prime number is 187
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred ninety-seven thousand seven hundred eighty
Scientific notation
1.9997780 × 10^7
Engineering notation
1.9997780 × 10^6
Prime Factorization
2 × 2 × 5 × 187 × 5347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9998890
Product of the distinct prime numbers
The prime factorization of 19997780 is 2 × 2 × 5 × 187 × 5347.
Since it has a total of 5 prime factors.
1 , 7 , 31 , 66 , 538 , 57 , 2888 , 7795 , 91427 , 43858 , 275789 , 747993 , 9353170 , 4530978 , 81757111 , 4459182 , 981156433 , 858140952 , 3438270962 , 6368871372
n×2
39995560
n×3
59993340
n×4
79991120
n×5
99988900
n÷2
9998890
n÷3
6665926.6666667
n÷3
4999445
n÷5
3999556
n2
399911204928400
n3
7.9973362956931E+21
n4
1.5992897182728E+29
n5
3.1982243942282E+36
2 √n
4471.887744566
3 √n
271.43171794268
4 √n
66.872174666045
5 √n
28.853357530943
1 , 2 , 4 , 5 , 10 , 20 , 187 , 374 , 748 , 935 , 1870 , 3740 , 5347 , 10694 , 21388 , 26735 , 53470 , 106940 , 999889 , 1999778 , 3999556 , 4999445 , 9998890 , 19997780
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
-19997779
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 19997780 can be divided by 24 positive divisors.
The sum of these divisors (counting 19997780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010010010001010100
3
Ternary
1101121222210112
4
Quaternary
1030102101110
5
Quinary
20104412110
6
Senary
1552342152
8
Octal
114222124
10
Decimal
19997780
12
Duodecimal
6844958
16
Hexadecimal
1312454
20
Vigesimal
64je90
36
Base36
bwmdw
md5
56cadf00cf811f963136e53511f2d5de
sha1
d4bdd26dfc6e508461309221eacc2b7f7853aa18
sha256
e77f4acbe5cdf537f0bf03eafe53e6e082651ad73197435693e558c488152419
sha512
066ecffafeff2195e36ebe1b15a04c5c01ad15058ff37f858a285a6a156ad79a5a6aa9ab3e20c0469418aebbc4f1efa585a1c109fe8b46016252ec1e931570d7
ripemd-160
e3695ce3a24a72132e203983aac79d491ed2ca15
Diameter
39995560
Circumference
125649757.47221
Area
1.2563581034913E+15
Volume
3.3499163939782E+22
Surface area
5.0254324139652E+15
Circumference
125649757.47221
Perimeter
79991120
Area
399911204928400
Diagonal
28281131.693353
Surface area
2399467229570400
Volume
7.9973362956931E+21
Space diagonal
34637170.998585
Perimeter
59993340
Area
1.7316663136302E+14
Altitude
17318585.499292
Surface area
1.7316663136302E+14
Volume
9.4249512101898E+20
Height
9427043.8977845