19981366 is an even 8-digits composite number following 19981365
and preceding 19981367 . In scientific notation, it is written as 1.9981366 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 9990682 positive integers (up to 19981366) that are relatively prime to 19981366.
19981366 has 4 divisors, whose sum is 29972052
The reverse of 19981366 is 66318991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred eighty-one thousand three hundred sixty-six
Scientific notation
1.9981366 × 10^7
Engineering notation
1.9981366 × 10^6
Prime Factorization
2 × 9990683
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19981366
Product of the distinct prime numbers
The prime factorization of 19981366 is 2 × 9990683.
Since it has a total of 2 prime factors.
2 , 3 , 27 , 83 , 973 , 438 , 6765 , 7369 , 46294 , 25318 , 79750 , 266236 , 8727046 , 5187030 , 39472423 , 77999407 , 715597161 , 326583545 , 7970077828 , 2228189995
n×2
39962732
n×3
59944098
n×4
79925464
n×5
99906830
n÷2
9990683
n÷3
6660455.3333333
n÷3
4995341.5
n÷5
3996273.2
n2
399254987225956
n3
7.9776600270872E+21
n4
1.594045448248E+29
n5
3.1851205522077E+36
2 √n
4470.0521249757
3 √n
271.35743470181
4 √n
66.858448418848
5 √n
28.848619459243
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981365
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981366 can be divided by 4 positive divisors.
The sum of these divisors (counting 19981366) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001110010000110110
3
Ternary
1101121011021121
4
Quaternary
1030032100312
5
Quinary
20103400431
6
Senary
1552134154
8
Octal
114162066
10
Decimal
19981366
12
Duodecimal
683735a
16
Hexadecimal
130e436
20
Vigesimal
64hd86
36
Base36
bw9py
md5
df40d518483a90aa55f61ba7c1b8c47c
sha1
670e5371e905bc5a6365afb8854f358374de7add
sha256
2a980764fb628cce5ab6a49e8de6bdad43329ca578f05110118c121eb1ca51e8
sha512
4e9c6d2ff5abac640b7459e4f26aed8809977eb04b2822def6eeeb2abb46d5fe7375bb66e92ce4e1eb415b89384be97c6c7b97ec6262781a9e59145f18db115b
ripemd-160
208e54dc7442dbc183301ee241f2b16ed4de371a
Diameter
39962732
Circumference
125546625.26858
Area
1.2542965347782E+15
Volume
3.3416744178579E+22
Surface area
5.0171861391126E+15
Circumference
125546625.26858
Perimeter
79925464
Area
399254987225956
Diagonal
28257918.791941
Surface area
2395529923355736
Volume
7.9776600270872E+21
Space diagonal
34608741.116629
Perimeter
59944098
Area
1.7288248076265E+14
Altitude
17304370.558315
Surface area
1.7288248076265E+14
Volume
9.401762505257E+20
Height
9419306.2639802