19981695 is an odd 8-digits composite number following 19981694
and preceding 19981696 . In scientific notation, it is written as 1.9981695 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 10627584 positive integers (up to 19981695) that are relatively prime to 19981695.
19981695 has 16 divisors, whose sum is 32058720
The reverse of 19981695 is 59618991
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred eighty-one thousand six hundred ninety-five
Scientific notation
1.9981695 × 10^7
Engineering notation
1.9981695 × 10^6
Prime Factorization
5 × 3 × 409 × 3257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19981695
Product of the distinct prime numbers
The prime factorization of 19981695 is 5 × 3 × 409 × 3257.
Since it has a total of 4 prime factors.
5 , 6 , 47 , 97 , 314 , 928 , 6055 , 611 , 43070 , 57346 , 23749 , 396459 , 9134733 , 5244918 , 96887308 , 37144192 , 773731637 , 422146889 , 4375505075 , 3648086040
n×2
39963390
n×3
59945085
n×4
79926780
n×5
99908475
n÷2
9990847.5
n÷3
6660565
n÷3
4995423.75
n÷5
3996339
n2
399268135073025
n3
7.978054098248E+21
n4
1.5941504368469E+29
n5
3.1853827813192E+36
2 √n
4470.08892529
3 √n
271.35892402451
4 √n
66.858723628932
5 √n
28.848714459087
1 , 3 , 5 , 15 , 409 , 1227 , 2045 , 3257 , 6135 , 9771 , 16285 , 48855 , 1332113 , 3996339 , 6660565 , 19981695
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981694
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981695 can be divided by 16 positive divisors.
The sum of these divisors (counting 19981695) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110010101111111
3
Ternary
1101121011201210
4
Quaternary
1030032111333
5
Quinary
20103403240
6
Senary
1552135503
8
Octal
114162577
10
Decimal
19981695
12
Duodecimal
6837593
16
Hexadecimal
130e57f
20
Vigesimal
64he4f
36
Base36
bw9z3
md5
872be703efc822fbaae851927993bf6b
sha1
e704755f23adae0335d3029eb8b2ca272dc8ae52
sha256
436ee78653761ebda019bab9db8283a69d6806d431f97e874dc8484e8ed0adc9
sha512
2537e1fbf7f283927efdf146bdee78c386bf1a34ec023bdfd3deff6f7b6cd726cb0dd7b5a31a21ea0f90df8466da7528fa2b5ae89caad707b0eef49e1f7b5474
ripemd-160
17a235fee393205cbfcc82586437bc59a7c9fc21
Diameter
39963390
Circumference
125548692.43654
Area
1.2543378399579E+15
Volume
3.3418394859997E+22
Surface area
5.0173513598316E+15
Circumference
125548692.43654
Perimeter
79926780
Area
399268135073025
Diagonal
28258384.068203
Surface area
2395608810438150
Volume
7.978054098248E+21
Space diagonal
34609310.961345
Perimeter
59945085
Area
1.7288817394744E+14
Altitude
17304655.480672
Surface area
1.7288817394744E+14
Volume
9.4022269225738E+20
Height
9419461.3560676