19987922 is an even 8-digits composite number following 19987921
and preceding 19987923 . In scientific notation, it is written as 1.9987922 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 9921924 positive integers (up to 19987922) that are relatively prime to 19987922.
19987922 has 8 divisors, whose sum is 30198000
The reverse of 19987922 is 22978991
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred eighty-seven thousand nine hundred twenty-two
Scientific notation
1.9987922 × 10^7
Engineering notation
1.9987922 × 10^6
Prime Factorization
2 × 139 × 71899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19987922
Product of the distinct prime numbers
The prime factorization of 19987922 is 2 × 139 × 71899.
Since it has a total of 3 prime factors.
3 , 4 , 37 , 64 , 169 , 780 , 8266 , 7797 , 20789 , 49841 , 267275 , 845186 , 7521185 , 6681653 , 15025154 , 72637700 , 467068487 , 548099920 , 2806353781 , 3493387455
n×2
39975844
n×3
59963766
n×4
79951688
n×5
99939610
n÷2
9993961
n÷3
6662640.6666667
n÷3
4996980.5
n÷5
3997584.4
n2
399517025878084
n3
7.9855151509231E+21
n4
1.5961385396647E+29
n5
3.1903492632012E+36
2 √n
4470.7853896156
3 √n
271.3871094299
4 √n
66.863931903647
5 √n
28.850512290113
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
-19987921
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 19987922 can be divided by 8 positive divisors.
The sum of these divisors (counting 19987922) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001111110111010010
3
Ternary
1101121111021102
4
Quaternary
1030033313102
5
Quinary
20104103142
6
Senary
1552224402
8
Octal
114176722
10
Decimal
19987922
12
Duodecimal
683b102
16
Hexadecimal
130fdd2
20
Vigesimal
64i9g2
36
Base36
bwes2
md5
bd8d1dc75453b6863705e9628938658d
sha1
6de567622ebbcf748eb1404bb51a7e665b4c73c2
sha256
ac96c6fedb0a73e428d8616f8f4f9a5b0dd12f6c041145c4b42674de24da82d4
sha512
52150554971fd0cdb055d4cc4acc28831b66880609aa98cca34d7e37812b7a482496ffeec5ec00e8564f15b4e69c45e666ec37465272fbf8a441750013fa98b3
ripemd-160
5e08eae60288c7f9f5c182f56588c5540eb4e84c
Diameter
39975844
Circumference
125587817.83145
Area
1.2551197534826E+15
Volume
3.344964764436E+22
Surface area
5.0204790139305E+15
Circumference
125587817.83145
Perimeter
79951688
Area
399517025878084
Diagonal
28267190.376056
Surface area
2397102155268504
Volume
7.9855151509231E+21
Space diagonal
34620096.441724
Perimeter
59963766
Area
1.7299594682741E+14
Altitude
17310048.220862
Surface area
1.7299594682741E+14
Volume
9.4110198574761E+20
Height
9422396.7920185