19944487 is an odd 8-digits prime number following 19944486
and preceding 19944488 . In scientific notation, it is written as 1.9944487 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 19944486 positive integers (up to 19944487) that are relatively prime to 19944487.
19944487 has 2 divisors, whose sum is 19944488
The reverse of 19944487 is 78444991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred forty-four thousand four hundred eighty-seven
Scientific notation
1.9944487 × 10^7
Engineering notation
1.9944487 × 10^6
Prime Factorization
19944487
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19944487
Product of the distinct prime numbers
The prime factorization of 19944487 is 19944487.
Since it has a total of 1 prime factors.
4 , 4 , 57 , 8 , 317 , 740 , 7295 , 5002 , 92889 , 28120 , 842365 , 565675 , 517808 , 9067296 , 24703238 , 78223859 , 5255461 , 365265919 , 3798580614 , 6461315207
n×2
39888974
n×3
59833461
n×4
79777948
n×5
99722435
n÷2
9972243.5
n÷3
6648162.3333333
n÷3
4986121.75
n÷5
3988897.4
n2
397782561693169
n3
7.9335691305161E+21
n4
1.5823096638718E+29
n5
3.1558354521065E+36
2 √n
4465.9251001332
3 √n
271.19038649743
4 √n
66.82757739237
5 √n
28.83796258466
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19944488
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9972244
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4465.9252120921
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998997217
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19944487 can be divided by 2 positive divisors.
The sum of these divisors (counting 19944487) is 19944488, the average is 9972244.
Base
System
Value
2
Binary
1001100000101010000100111
3
Ternary
1101112021200201
4
Quaternary
1030011100213
5
Quinary
20101210422
6
Senary
1551251331
8
Octal
114052047
10
Decimal
19944487
12
Duodecimal
6819b47
16
Hexadecimal
1305427
20
Vigesimal
64d147
36
Base36
bvh9j
md5
290b138361137730d468d2823bb77f36
sha1
6a40c8875507bc61f81daeafe9d67071e9dfec23
sha256
6ab7e2b533ebafaef512cd9797f2ccab640681224d9a6d7271af4f7256fbf117
sha512
4f373efdd26c8261e9223c5eff6b2ce93a5fe94ddab4ed4367e30ae17751f97bd6912b23dfa2e5999a5094b12a6c0a61919538c937ae275aa98a67775270eebd
ripemd-160
bc41b8570bf332b97390f8e9428867eca78ec082
Diameter
39888974
Circumference
125314907.67763
Area
1.2496707735414E+15
Volume
3.3232056662902E+22
Surface area
4.9986830941656E+15
Circumference
125314907.67763
Perimeter
79777948
Area
397782561693169
Diagonal
28205764.009974
Surface area
2386695370159014
Volume
7.9335691305161E+21
Space diagonal
34544864.814897
Perimeter
59833461
Area
1.7224490180437E+14
Altitude
17272432.407448
Surface area
1.7224490180437E+14
Volume
9.3498008853337E+20
Height
9401921.336658