19987070 is an even 8-digits composite number following 19987069
and preceding 19987071 . In scientific notation, it is written as 1.9987070 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 7524480 positive integers (up to 19987070) that are relatively prime to 19987070.
19987070 has 16 divisors, whose sum is 38093328
The reverse of 19987070 is 07078991
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred eighty-seven thousand seventy
Scientific notation
1.9987070 × 10^7
Engineering notation
1.9987070 × 10^6
Prime Factorization
2 × 5 × 17 × 117571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19987070
Product of the distinct prime numbers
The prime factorization of 19987070 is 2 × 5 × 17 × 117571.
Since it has a total of 4 prime factors.
4 , 9 , 98 , 100 , 375 , 397 , 2142 , 6645 , 18093 , 66697 , 822079 , 8287 , 8142488 , 3942727 , 98022907 , 8365610 , 956981929 , 950464083 , 666566973 , 186007384
n×2
39974140
n×3
59961210
n×4
79948280
n×5
99935350
n÷2
9993535
n÷3
6662356.6666667
n÷3
4996767.5
n÷5
3997414
n2
399482967184900
n3
7.9844940289323E+21
n4
1.5958664107085E+29
n5
3.189669366148E+36
2 √n
4470.6901033286
3 √n
271.3832533495
4 √n
66.863219361085
5 √n
28.850266331023
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 117571 , 235142 , 587855 , 1175710 , 1998707 , 3997414 , 9993535 , 19987070
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
-19987069
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 19987070 can be divided by 16 positive divisors.
The sum of these divisors (counting 19987070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111101001111110
3
Ternary
1101121110002212
4
Quaternary
1030033221332
5
Quinary
20104041240
6
Senary
1552220422
8
Octal
114175176
10
Decimal
19987070
12
Duodecimal
683a712
16
Hexadecimal
130fa7e
20
Vigesimal
64i7da
36
Base36
bwe4e
md5
289d1327faff9ea8fb4e6d866013166e
sha1
ed3a3c7de2eae3acaae219d2d1391ddbaa8c410c
sha256
fe918dd412d01495b422fb106c9bf499f1b48855d7cc2642e8226cfee924c98a
sha512
9ef30861b5242101ebeb569f144a0435cbc003fce24940330e8578e33527abf3c4e65073a1b811fc91e4d1706c8d9cf0ac07483ed076a5af08571ed2898621d6
ripemd-160
d4c7081979443e769709907e3d3b9649083a0a3b
Diameter
39974140
Circumference
125582464.55757
Area
1.2550127549423E+15
Volume
3.3445370378567E+22
Surface area
5.0200510197693E+15
Circumference
125582464.55757
Perimeter
79948280
Area
399482967184900
Diagonal
28265985.4661
Surface area
2396897803109400
Volume
7.9844940289323E+21
Space diagonal
34618620.734436
Perimeter
59961210
Area
1.7298119898065E+14
Altitude
17309310.367218
Surface area
1.7298119898065E+14
Volume
9.4098164536692E+20
Height
9421995.1553668