19986521 is an odd 8-digits composite number following 19986520
and preceding 19986522 . In scientific notation, it is written as 1.9986521 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 19912500 positive integers (up to 19986521) that are relatively prime to 19986521.
19986521 has 4 divisors, whose sum is 20060544
The reverse of 19986521 is 12568991
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred eighty-six thousand five hundred twenty-one
Scientific notation
1.9986521 × 10^7
Engineering notation
1.9986521 × 10^6
Prime Factorization
271 × 73751
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19986521
Product of the distinct prime numbers
The prime factorization of 19986521 is 271 × 73751.
Since it has a total of 2 prime factors.
7 , 2 , 40 , 52 , 596 , 362 , 5457 , 8275 , 4067 , 7093 , 908689 , 205556 , 1281734 , 1634882 , 71903575 , 22552827 , 887338965 , 294645421 , 5364803122 , 7632987161
n×2
39973042
n×3
59959563
n×4
79946084
n×5
99932605
n÷2
9993260.5
n÷3
6662173.6666667
n÷3
4996630.25
n÷5
3997304.2
n2
399461021683441
n3
7.9838360985575E+21
n4
1.5956910784438E+29
n5
3.1892313248829E+36
2 √n
4470.6287029902
3 √n
271.38076856358
4 √n
66.862760210675
5 √n
28.850107838855
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
-19986520
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 19986521 can be divided by 4 positive divisors.
The sum of these divisors (counting 19986521) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001111100001011001
3
Ternary
1101121102100112
4
Quaternary
1030033201121
5
Quinary
20104032041
6
Senary
1552214105
8
Octal
114174131
10
Decimal
19986521
12
Duodecimal
683a335
16
Hexadecimal
130f859
20
Vigesimal
64i661
36
Base36
bwdp5
md5
a7b57a1ce59e4aec8a5c13dd6bf280e1
sha1
2808e34b03260d95859c5a009064e68694d2a244
sha256
d86e3a9beaeccee44d2b9a39e880f62e83fc2ec462433a7c0d0517cb507f4ef3
sha512
bd456d0d11ab44be11209a6a51d1eefa168ba898ae10398ab041e6873ae7cbe3d25e5558141f45bbb3715ed4f08825cffc40c1eaf84ea8230aaf5a24ddaedbbf
ripemd-160
a06fdca12d08e5f9f797fc297bc7abe462d58b01
Diameter
39973042
Circumference
125579015.08884
Area
1.2549438111162E+15
Volume
3.3442614446258E+22
Surface area
5.0197752444647E+15
Circumference
125579015.08884
Perimeter
79946084
Area
399461021683441
Diagonal
28265209.062855
Surface area
2396766130100646
Volume
7.9838360985575E+21
Space diagonal
34617669.838542
Perimeter
59959563
Area
1.7297169629977E+14
Altitude
17308834.919271
Surface area
1.7297169629977E+14
Volume
9.4090410752867E+20
Height
9421736.3542849