19987075 is an odd 8-digits composite number following 19987074
and preceding 19987076 . In scientific notation, it is written as 1.9987075 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors.
There are 15989640 positive integers (up to 19987075) that are relatively prime to 19987075.
19987075 has 6 divisors, whose sum is 24784004
The reverse of 19987075 is 57078991
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred eighty-seven thousand seventy-five
Scientific notation
1.9987075 × 10^7
Engineering notation
1.9987075 × 10^6
Prime Factorization
5 × 5 × 799483
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
3997415
Product of the distinct prime numbers
The prime factorization of 19987075 is 5 × 5 × 799483.
Since it has a total of 3 prime factors.
1 , 10 , 71 , 78 , 709 , 260 , 7851 , 4406 , 50790 , 62611 , 699949 , 158007 , 4271805 , 9168504 , 63258358 , 74833401 , 66965910 , 687887372 , 9896150057 , 9539468876
n×2
39974150
n×3
59961225
n×4
79948300
n×5
99935375
n÷2
9993537.5
n÷3
6662358.3333333
n÷3
4996768.75
n÷5
3997415
n2
399483167055625
n3
7.9845000211783E+21
n4
1.5958680076079E+29
n5
3.189673355816E+36
2 √n
4470.6906625263
3 √n
271.3832759794
4 √n
66.863223542739
5 √n
28.850267774469
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19987074
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19987075 can be divided by 6 positive divisors.
The sum of these divisors (counting 19987075) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100001111101010000011
3
Ternary
1101121110010001
4
Quaternary
1030033222003
5
Quinary
20104041300
6
Senary
1552220431
8
Octal
114175203
10
Decimal
19987075
12
Duodecimal
683a717
16
Hexadecimal
130fa83
20
Vigesimal
64i7df
36
Base36
bwe4j
md5
5eed15bbfad80e62e6b7f3b12f21ddfd
sha1
3ad2182476f9dd5ea5ac599b6887a45882ecd070
sha256
d11671ad628c2e3c7164622064f1d3bc4498121bc364da42bbef81cd35c07cc8
sha512
cf4c8d74990bfdf758a97f62d1706f4d18e6d7fb07cad6feed84cc09da15d3d3a80207f7f4484cc48bcd35b452a7313b3d46d63c2e6e9f023181295e7c243d03
ripemd-160
05c1aed015460250e6117af16cf19a9fda3971be
Diameter
39974150
Circumference
125582495.9735
Area
1.2550133828547E+15
Volume
3.3445395478828E+22
Surface area
5.0200535314189E+15
Circumference
125582495.9735
Perimeter
79948300
Area
399483167055625
Diagonal
28265992.537168
Surface area
2396899002333750
Volume
7.9845000211783E+21
Space diagonal
34618629.39469
Perimeter
59961225
Area
1.7298128552722E+14
Altitude
17309314.697345
Surface area
1.7298128552722E+14
Volume
9.4098235155989E+20
Height
9421997.5123894