19940981 is an odd 8-digits prime number following 19940980
and preceding 19940982 . In scientific notation, it is written as 1.9940981 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 19940980 positive integers (up to 19940981) that are relatively prime to 19940981.
19940981 has 2 divisors, whose sum is 19940982
The reverse of 19940981 is 18904991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred forty thousand nine hundred eighty-one
Scientific notation
1.9940981 × 10^7
Engineering notation
1.9940981 × 10^6
Prime Factorization
19940981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19940981
Product of the distinct prime numbers
The prime factorization of 19940981 is 19940981.
Since it has a total of 1 prime factors.
9 , 8 , 43 , 44 , 729 , 784 , 643 , 9435 , 87314 , 12547 , 318620 , 678571 , 8681489 , 4727855 , 42684606 , 69848376 , 35589822 , 205346590 , 3606720585 , 2940309056
n×2
39881962
n×3
59822943
n×4
79763924
n×5
99704905
n÷2
9970490.5
n÷3
6646993.6666667
n÷3
4985245.25
n÷5
3988196.2
n2
397642723242361
n3
7.9293859889642E+21
n4
1.581197353476E+29
n5
3.1530626382915E+36
2 √n
4465.5325550263
3 √n
271.17449490103
4 √n
66.824640328447
5 √n
28.836948640237
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19940982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9970491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4465.5326669951
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999899704
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19940981 can be divided by 2 positive divisors.
The sum of these divisors (counting 19940981) is 19940982, the average is 9970491.
Base
System
Value
2
Binary
1001100000100011001110101
3
Ternary
1101112002212212
4
Quaternary
1030010121311
5
Quinary
20101102411
6
Senary
1551223205
8
Octal
114043165
10
Decimal
19940981
12
Duodecimal
6817b05
16
Hexadecimal
1304675
20
Vigesimal
64cc91
36
Base36
bvek5
md5
4d623c1fc0671b63c0641387a96ffb7b
sha1
c0ed23c58adb666757256ece491d95184a5cb2ed
sha256
d2af5ac91761e181e98ab8d6fbe84945a14ef0fd1dc59933b31ff7da87961800
sha512
6f3f8dff3e62b3f09433359bb6376f8bbc1c2e2545837a7749ff99bfdec6a528648fd00d9ff3e22dfa2b93d88a4db5942844214f90897d6ddd8f2e44485a873b
ripemd-160
5e71b4184ead977b7c23d3d1bd68cd0195adf7c7
Diameter
39881962
Circumference
125292878.82995
Area
1.2492314580916E+15
Volume
3.3214534360544E+22
Surface area
4.9969258323666E+15
Circumference
125292878.82995
Perimeter
79763924
Area
397642723242361
Diagonal
28200805.777224
Surface area
2385856339454166
Volume
7.9293859889642E+21
Space diagonal
34538792.244766
Perimeter
59822943
Area
1.7218434997895E+14
Altitude
17269396.122383
Surface area
1.7218434997895E+14
Volume
9.3448710057369E+20
Height
9400268.5924081