19987069 is an odd 8-digits composite number following 19987068
and preceding 19987070 . In scientific notation, it is written as 1.9987069 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 18111456 positive integers (up to 19987069) that are relatively prime to 19987069.
19987069 has 8 divisors, whose sum is 21954240
The reverse of 19987069 is 96078991
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred eighty-seven thousand sixty-nine
Scientific notation
1.9987069 × 10^7
Engineering notation
1.9987069 × 10^6
Prime Factorization
23 × 19 × 45737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19987069
Product of the distinct prime numbers
The prime factorization of 19987069 is 23 × 19 × 45737.
Since it has a total of 3 prime factors.
4 , 3 , 25 , 69 , 917 , 664 , 8788 , 7636 , 23866 , 94762 , 732104 , 169209 , 2715905 , 5481774 , 10777209 , 18612733 , 615453214 , 154518258 , 1830393581 , 4821626842
n×2
39974138
n×3
59961207
n×4
79948276
n×5
99935345
n÷2
9993534.5
n÷3
6662356.3333333
n÷3
4996767.25
n÷5
3997413.8
n2
399482927210761
n3
7.9844928304835E+21
n4
1.5958660913288E+29
n5
3.1896685682149E+36
2 √n
4470.689991489
3 √n
271.38324882352
4 √n
66.863218524754
5 √n
28.850266042333
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19987068
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19987069 can be divided by 8 positive divisors.
The sum of these divisors (counting 19987069) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001111101001111101
3
Ternary
1101121110002211
4
Quaternary
1030033221331
5
Quinary
20104041234
6
Senary
1552220421
8
Octal
114175175
10
Decimal
19987069
12
Duodecimal
683a711
16
Hexadecimal
130fa7d
20
Vigesimal
64i7d9
36
Base36
bwe4d
md5
71f990b100cd0babf40532db717b104f
sha1
9860528f16ba169b2ef81cde28e549a4943c03f0
sha256
cb4dfb59b1b97f9538c1eb3f7d3d6b71af30d9934e83f3ae3e7c9f482df06264
sha512
832c3d25038cf57443c7e6194a3e2c4363dabaa4e16b1171c01d9f75234d950f0d70e1b5345add969be515f8b0f30adc408b86a87048a1086caf0e38ef3c2137
ripemd-160
2f8be53683cd3a758e53a425e2ff9cc01d0fccb7
Diameter
39974138
Circumference
125582458.27438
Area
1.2550126293599E+15
Volume
3.3445365358516E+22
Surface area
5.0200505174395E+15
Circumference
125582458.27438
Perimeter
79948276
Area
399482927210761
Diagonal
28265984.051887
Surface area
2396897563264566
Volume
7.9844928304835E+21
Space diagonal
34618619.002385
Perimeter
59961207
Area
1.7298118167134E+14
Altitude
17309309.501192
Surface area
1.7298118167134E+14
Volume
9.4098150412837E+20
Height
9421994.6839623