19981671 is an odd 8-digits composite number following 19981670
and preceding 19981672 . In scientific notation, it is written as 1.9981671 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 13321112 positive integers (up to 19981671) that are relatively prime to 19981671.
19981671 has 4 divisors, whose sum is 26642232
The reverse of 19981671 is 17618991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred eighty-one thousand six hundred seventy-one
Scientific notation
1.9981671 × 10^7
Engineering notation
1.9981671 × 10^6
Prime Factorization
3 × 6660557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19981671
Product of the distinct prime numbers
The prime factorization of 19981671 is 3 × 6660557.
Since it has a total of 2 prime factors.
1 , 9 , 34 , 80 , 411 , 44 , 123 , 4087 , 45098 , 1008 , 260051 , 222366 , 9041521 , 4679307 , 20112391 , 25518210 , 858778227 , 567756721 , 1693118199 , 2057173412
n×2
39963342
n×3
59945013
n×4
79926684
n×5
99908355
n÷2
9990835.5
n÷3
6660557
n÷3
4995417.75
n÷5
3996334.2
n2
399267175952241
n3
7.9780253509768E+21
n4
1.5941427779288E+29
n5
3.1853636515599E+36
2 √n
4470.0862407788
3 √n
271.35881538146
4 √n
66.858703552932
5 √n
28.848707529049
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
-19981670
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 19981671 can be divided by 4 positive divisors.
The sum of these divisors (counting 19981671) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001110010101100111
3
Ternary
1101121011200220
4
Quaternary
1030032111213
5
Quinary
20103403141
6
Senary
1552135423
8
Octal
114162547
10
Decimal
19981671
12
Duodecimal
6837573
16
Hexadecimal
130e567
20
Vigesimal
64he3b
36
Base36
bw9yf
md5
00e92d34aa31e7fcc68fa2d982164c03
sha1
5c005c82a20a61edf2bebb87f1a049728fd8ef73
sha256
4ca12c81a33d4da8cfebaff5b45face476914525ccbebc8086bacf43aef7dc7e
sha512
ab5664b5cdb56eb310b114f7f3b501d7b117d87133287188bed1ee85dde43b14e76ec6d4182e9f354ad696251d0daa9c8beb5998afb049a898b0e27499bd3b95
ripemd-160
4acd701e401a24210965ef50cfa1f1a0d5f59e6d
Diameter
39963342
Circumference
125548541.6401
Area
1.2543348267911E+15
Volume
3.3418274443709E+22
Surface area
5.0173393071644E+15
Circumference
125548541.6401
Perimeter
79926684
Area
399267175952241
Diagonal
28258350.127077
Surface area
2395603055713446
Volume
7.9780253509768E+21
Space diagonal
34609269.392126
Perimeter
59945013
Area
1.7288775863596E+14
Altitude
17304634.696063
Surface area
1.7288775863596E+14
Volume
9.4021930435898E+20
Height
9419450.0423591