19987079 is an odd 8-digits composite number following 19987078
and preceding 19987080 . In scientific notation, it is written as 1.9987079 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 16533504 positive integers (up to 19987079) that are relatively prime to 19987079.
19987079 has 16 divisors, whose sum is 23654400
The reverse of 19987079 is 97078991
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred eighty-seven thousand seventy-nine
Scientific notation
1.9987079 × 10^7
Engineering notation
1.9987079 × 10^6
Prime Factorization
7 × 79 × 47 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19987079
Product of the distinct prime numbers
The prime factorization of 19987079 is 7 × 79 × 47 × 769.
Since it has a total of 4 prime factors.
8 , 5 , 66 , 11 , 22 , 579 , 9234 , 5353 , 38372 , 51144 , 650523 , 483552 , 8858245 , 2280449 , 5064592 , 61472197 , 889292522 , 662547904 , 9647131977 , 5972367114
n×2
39974158
n×3
59961237
n×4
79948316
n×5
99935395
n÷2
9993539.5
n÷3
6662359.6666667
n÷3
4996769.75
n÷5
3997415.8
n2
399483326952241
n3
7.9845048149773E+21
n4
1.5958692851283E+29
n5
3.1896765475533E+36
2 √n
4470.6911098845
3 √n
271.38329408332
4 √n
66.863226888062
5 √n
28.850268929226
1 , 7 , 47 , 79 , 329 , 553 , 769 , 3713 , 5383 , 25991 , 36143 , 60751 , 253001 , 425257 , 2855297 , 19987079
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
-19987078
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 19987079 can be divided by 16 positive divisors.
The sum of these divisors (counting 19987079) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111101010000111
3
Ternary
1101121110010012
4
Quaternary
1030033222013
5
Quinary
20104041304
6
Senary
1552220435
8
Octal
114175207
10
Decimal
19987079
12
Duodecimal
683a71b
16
Hexadecimal
130fa87
20
Vigesimal
64i7dj
36
Base36
bwe4n
md5
64d2e2d3b0ebe157451fb501f9b6c1ea
sha1
efb5eadda2b1222be6811bd2e336a911ae24884d
sha256
6f54afa49c44401038c8bc653a747fc8e537f1815efc3b2805f55f60d0b01ff1
sha512
84aeca7c52053df09ae83225e28208ae770598c6f28dd873f0d4ee112a22583a75ad9674041ffab80be160f2bbf29708c471633e74bae051ca74088c08814491
ripemd-160
fae8e7cd8f0d642c381a4d512afca91388a287d4
Diameter
39974158
Circumference
125582521.10624
Area
1.2550138851848E+15
Volume
3.3445415559047E+22
Surface area
5.0200555407391E+15
Circumference
125582521.10624
Perimeter
79948316
Area
399483326952241
Diagonal
28265998.194022
Surface area
2396899961713446
Volume
7.9845048149773E+21
Space diagonal
34618636.322893
Perimeter
59961237
Area
1.7298135476448E+14
Altitude
17309318.161446
Surface area
1.7298135476448E+14
Volume
9.4098291651451E+20
Height
9421999.3980075