19996890 is an even 8-digits composite number following 19996889
and preceding 19996891 . In scientific notation, it is written as 1.9996890 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 5018112 positive integers (up to 19996890) that are relatively prime to 19996890.
19996890 has 32 divisors, whose sum is 33928704
The reverse of 19996890 is 09869991
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million nine hundred ninety-six thousand eight hundred ninety
Scientific notation
1.9996890 × 10^7
Engineering notation
1.9996890 × 10^6
Prime Factorization
2 × 15 × 23 × 73 × 397
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19996890
Product of the distinct prime numbers
The prime factorization of 19996890 is 2 × 15 × 23 × 73 × 397.
Since it has a total of 5 prime factors.
2 , 10 , 82 , 9 , 856 , 1000 , 3379 , 9867 , 49355 , 54883 , 863972 , 585166 , 9796501 , 4731749 , 50991377 , 35303660 , 975863937 , 951875826 , 8478503393 , 7834321362
n×2
39993780
n×3
59990670
n×4
79987560
n×5
99984450
n÷2
9998445
n÷3
6665630
n÷3
4999222.5
n÷5
3999378
n2
399875609672100
n3
7.9962685802959E+21
n4
1.5990050321063E+29
n5
3.1975127736477E+36
2 √n
4471.7882329109
3 √n
271.42769119883
4 √n
66.871430618096
5 √n
28.853100702982
1 , 2 , 15 , 23 , 30 , 46 , 73 , 146 , 345 , 397 , 690 , 794 , 1095 , 1679 , 2190 , 3358 , 5955 , 9131 , 11910 , 18262 , 25185 , 28981 , 50370 , 57962 , 136965 , 273930 , 434715 , 666563 , 869430 , 1333126 , 9998445 , 19996890
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
-19996889
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 19996890 can be divided by 32 positive divisors.
The sum of these divisors (counting 19996890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100010010000011011010
3
Ternary
1101121221120120
4
Quaternary
1030102003122
5
Quinary
20104400030
6
Senary
1552334110
8
Octal
114220332
10
Decimal
19996890
12
Duodecimal
6844336
16
Hexadecimal
13120da
20
Vigesimal
64jc4a
36
Base36
bwlp6
md5
973792129b030ad565ba3787f82ec18e
sha1
14e88ef9c4042574b8be3a913797402653558ef0
sha256
5d7df96a6479ef642747d88c138ab1387195ac95d74e9a04c71f1c423afe1cca
sha512
f6100ce6a803a4ac041add4f4334e5e35ddce92e58c9e06316329ce310219e93f09e8e0d34f07e06222f61091d974133a14137c4c91d0688522b2232585397d9
ripemd-160
9b0d8845e7553a047877948ae25a24e2f2ecb875
Diameter
39993780
Circumference
125644165.43729
Area
1.2562462776956E+15
Volume
3.3494691503985E+22
Surface area
5.0249851107824E+15
Circumference
125644165.43729
Perimeter
79987560
Area
399875609672100
Diagonal
28279873.043283
Surface area
2399253658032600
Volume
7.9962685802959E+21
Space diagonal
34635629.473366
Perimeter
59990670
Area
1.7315121816491E+14
Altitude
17317814.736683
Surface area
1.7315121816491E+14
Volume
9.423692895527E+20
Height
9426624.347761