19981880 is an even 8-digits composite number following 19981879
and preceding 19981881 . In scientific notation, it is written as 1.9981880 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors.
There are 7917696 positive integers (up to 19981880) that are relatively prime to 19981880.
19981880 has 32 divisors, whose sum is 45381600
The reverse of 19981880 is 08818991
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred eighty-one thousand eight hundred eighty
Scientific notation
1.9981880 × 10^7
Engineering notation
1.9981880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 109 × 4583
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4995470
Product of the distinct prime numbers
The prime factorization of 19981880 is 2 × 2 × 2 × 5 × 109 × 4583.
Since it has a total of 6 prime factors.
3 , 1 , 18 , 86 , 159 , 433 , 3504 , 3626 , 1087 , 32044 , 395542 , 621884 , 7995033 , 6738826 , 12724373 , 39356213 , 486810769 , 818950860 , 6368243596 , 2173961077
n×2
39963760
n×3
59945640
n×4
79927520
n×5
99909400
n÷2
9990940
n÷3
6660626.6666667
n÷3
4995470
n÷5
3996376
n2
399275528334400
n3
7.9782756941146E+21
n4
1.5942094752671E+29
n5
3.1855302429651E+36
2 √n
4470.1096183427
3 √n
271.35976147843
4 √n
66.858878380831
5 √n
28.848767877903
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 109 , 218 , 436 , 545 , 872 , 1090 , 2180 , 4360 , 4583 , 9166 , 18332 , 22915 , 36664 , 45830 , 91660 , 183320 , 499547 , 999094 , 1998188 , 2497735 , 3996376 , 4995470 , 9990940 , 19981880
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981880 can be divided by 32 positive divisors.
The sum of these divisors (counting 19981880) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100001110011000111000
3
Ternary
1101121011222122
4
Quaternary
1030032120320
5
Quinary
20103410010
6
Senary
1552140412
8
Octal
114163070
10
Decimal
19981880
12
Duodecimal
6837708
16
Hexadecimal
130e638
20
Vigesimal
64hee0
36
Base36
bwa48
md5
022730fe6de34856468790e4616cd1f9
sha1
b5b4e5091ce75fb5bfbb9167bd6edc0fd34ce131
sha256
94c06be143dbea4421c67cfd40b2831953a29d82948fbae77fe9768c8280720c
sha512
6d6a26ce167f5c3badd8929c7f56c38ec944f1459953f3ebe7035deec19c22e3d61b7171aa79c218d202c0bca28b1e3ab7ce8a5647fe3d67898855bf90795ed8
ripemd-160
f527c6f765e547922b2e3e8a38aa03db8e44f0e8
Diameter
39963760
Circumference
125549854.82583
Area
1.2543610665735E+15
Volume
3.3419323078592E+22
Surface area
5.0174442662941E+15
Circumference
125549854.82583
Perimeter
79927520
Area
399275528334400
Diagonal
28258645.697712
Surface area
2395653170006400
Volume
7.9782756941146E+21
Space diagonal
34609631.390744
Perimeter
59945640
Area
1.7289137532352E+14
Altitude
17304815.695372
Surface area
1.7289137532352E+14
Volume
9.402488075807E+20
Height
9419548.5659039