19987112 is an even 8-digits composite number following 19987111
and preceding 19987113 . In scientific notation, it is written as 1.9987112 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 9901440 positive integers (up to 19987112) that are relatively prime to 19987112.
19987112 has 16 divisors, whose sum is 37821300
The reverse of 19987112 is 21178991
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million nine hundred eighty-seven thousand one hundred twelve
Scientific notation
1.9987112 × 10^7
Engineering notation
1.9987112 × 10^6
Prime Factorization
2 × 2 × 2 × 109 × 22921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4996778
Product of the distinct prime numbers
The prime factorization of 19987112 is 2 × 2 × 2 × 109 × 22921.
Since it has a total of 5 prime factors.
5 , 10 , 57 , 97 , 482 , 224 , 7715 , 5882 , 58038 , 90822 , 920859 , 317580 , 1441733 , 6909338 , 97065603 , 40422599 , 281958485 , 97593273 , 5493849033 , 3146116943
n×2
39974224
n×3
59961336
n×4
79948448
n×5
99935560
n÷2
9993556
n÷3
6662370.6666667
n÷3
4996778
n÷5
3997422.4
n2
399484646100544
n3
7.9845443638919E+21
n4
1.5958798247008E+29
n5
3.1897028794835E+36
2 √n
4470.6948005875
3 √n
271.38344344054
4 √n
66.863254486956
5 √n
28.850278455963
1 , 2 , 4 , 8 , 109 , 218 , 436 , 872 , 22921 , 45842 , 91684 , 183368 , 2498389 , 4996778 , 9993556 , 19987112
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19987111
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19987112 can be divided by 16 positive divisors.
The sum of these divisors (counting 19987112) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111101010101000
3
Ternary
1101121110011102
4
Quaternary
1030033222220
5
Quinary
20104041422
6
Senary
1552220532
8
Octal
114175250
10
Decimal
19987112
12
Duodecimal
683a748
16
Hexadecimal
130faa8
20
Vigesimal
64i7fc
36
Base36
bwe5k
md5
5c22bf2ee04ad892d85ad3d7865b7c11
sha1
2e594701f69d0266dc0024e9e3460b05875aab07
sha256
26c4cf43af1b09df08c44466ad8a6cfa69d1cef73fd6c45da39ad78012da5a1c
sha512
4de648d032dfaaa292b6c3c40198d0b7d24d02fb1d4d3f3186efe0aa19fed896b94d576d8e9ac4172e7fa1dd79f17f10280223464740d37c0730b96d186c4bb4
ripemd-160
2eb83475a0e159bbe0d3c177bcb09b090b2f1a8e
Diameter
39974224
Circumference
125582728.45135
Area
1.2550180294114E+15
Volume
3.3445581221153E+22
Surface area
5.0200721176456E+15
Circumference
125582728.45135
Perimeter
79948448
Area
399484646100544
Diagonal
28266044.86307
Surface area
2396907876603264
Volume
7.9845443638919E+21
Space diagonal
34618693.48057
Perimeter
59961336
Area
1.7298192597245E+14
Altitude
17309346.740285
Surface area
1.7298192597245E+14
Volume
9.409875773988E+20
Height
9422014.9543567