19946821 is an odd 8-digits prime number following 19946820
and preceding 19946822 . In scientific notation, it is written as 1.9946821 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 19946820 positive integers (up to 19946821) that are relatively prime to 19946821.
19946821 has 2 divisors, whose sum is 19946822
The reverse of 19946821 is 12864991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million nine hundred forty-six thousand eight hundred twenty-one
Scientific notation
1.9946821 × 10^7
Engineering notation
1.9946821 × 10^6
Prime Factorization
19946821
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19946821
Product of the distinct prime numbers
The prime factorization of 19946821 is 19946821.
Since it has a total of 1 prime factors.
7 , 7 , 38 , 54 , 978 , 801 , 8106 , 8701 , 88094 , 76208 , 443329 , 425808 , 2017283 , 2958568 , 81682261 , 20096622 , 671363845 , 598839555 , 5990121946 , 4850780903
n×2
39893642
n×3
59840463
n×4
79787284
n×5
99734105
n÷2
9973410.5
n÷3
6648940.3333333
n÷3
4986705.25
n÷5
3989364.2
n2
397875668006041
n3
7.9363547299719E+21
n4
1.5830504719125E+29
n5
3.1576824397205E+36
2 √n
4466.186404529
3 √n
271.20096475352
4 √n
66.82953242788
5 √n
28.838637504544
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19946822
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9973411
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4466.1865164814
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998997334
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19946821 can be divided by 2 positive divisors.
The sum of these divisors (counting 19946821) is 19946822, the average is 9973411.
Base
System
Value
2
Binary
1001100000101110101000101
3
Ternary
1101112101220011
4
Quaternary
1030011311011
5
Quinary
20101244241
6
Senary
1551310221
8
Octal
114056505
10
Decimal
19946821
12
Duodecimal
681b371
16
Hexadecimal
1305d45
20
Vigesimal
64d711
36
Base36
bvj2d
md5
3811b260f356497a081105cb6d3e4eb5
sha1
f74ec7a9375e26f3529f9aada4ba69c5f505420b
sha256
6752bfe20f644c87fd0337456ead046710eeb343266e4decef1d7af9b957c4ce
sha512
328a3921908dadea98bd620dcffb5dfb2a60c410a406132117896e55c536674d07786807729f33c6ca29571996c533fa3e056353bcbb9360769a704d8ad55a4b
ripemd-160
16da9a2b36b089966e0d9154d393b62d5f8ed1cb
Diameter
39893642
Circumference
125329572.63214
Area
1.2499632756499E+15
Volume
3.3243724954617E+22
Surface area
4.9998531025996E+15
Circumference
125329572.63214
Perimeter
79787284
Area
397875668006041
Diagonal
28209064.784428
Surface area
2387254008036246
Volume
7.9363547299719E+21
Space diagonal
34548907.421482
Perimeter
59840463
Area
1.7228521802047E+14
Altitude
17274453.710741
Surface area
1.7228521802047E+14
Volume
9.3530837457751E+20
Height
9403021.5948095