16808981 is an odd 8-digits composite number following 16808980
and preceding 16808982 . In scientific notation, it is written as 1.6808981 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 14387040 positive integers (up to 16808981) that are relatively prime to 16808981.
16808981 has 8 divisors, whose sum is 19237824
The reverse of 16808981 is 18980861
Previous prime number is 2473
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixteen million eight hundred eight thousand nine hundred eighty-one
Scientific notation
1.6808981 × 10^7
Engineering notation
1.6808981 × 10^6
Prime Factorization
7 × 2473 × 971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16808981
Product of the distinct prime numbers
The prime factorization of 16808981 is 7 × 2473 × 971.
Since it has a total of 3 prime factors.
7 , 2 , 23 , 63 , 184 , 870 , 6956 , 663 , 44157 , 66263 , 68204 , 52494 , 3668217 , 5600917 , 4992609 , 8750667 , 590101486 , 143405038 , 8759124902 , 3839324326
n×2
33617962
n×3
50426943
n×4
67235924
n×5
84044905
n÷2
8404490.5
n÷3
5602993.6666667
n÷3
4202245.25
n÷5
3361796.2
n2
282541842258361
n3
4.7492404582258E+21
n4
7.9829892626749E+28
n5
1.3418591483951E+36
2 √n
4099.875729824
3 √n
256.16146328597
4 √n
64.030271979932
5 √n
27.868158842639
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16808980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16808981 can be divided by 8 positive divisors.
The sum of these divisors (counting 16808981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000000111110000010101
3
Ternary
1011121222120212
4
Quaternary
1000013300111
5
Quinary
13300341411
6
Senary
1400135205
8
Octal
100076025
10
Decimal
16808981
12
Duodecimal
5767505
16
Hexadecimal
1007c15
20
Vigesimal
551291
36
Base36
a09w5
md5
37d358cb496a1f7a218184b4660cca43
sha1
37d6d7336c13fa972bf5711fe9134d8eb735f004
sha256
d8a58583b156f04777c7b7031a95e01e944aaf3aa71718a6e12864b95e8bcbd4
sha512
c513153860636ac0cafafc2c52d5623bfc7c2deb1b701ebf9704dd9b04beee0a7c1d94d5e39b6655ee8595df3f20ceedb4e539cdfbe0c454118b708dcca7f651
ripemd-160
f4b7a8b215a04ecd388b523c1a26faa233dd0fdf
Diameter
33617962
Circumference
105613942.44786
Area
8.8763137597059E+14
Volume
1.9893571911591E+22
Surface area
3.5505255038824E+15
Circumference
105613942.44786
Perimeter
67235924
Area
282541842258361
Diagonal
23771488.899872
Surface area
1695251053550166
Volume
4.7492404582258E+21
Space diagonal
29114009.11546
Perimeter
50426943
Area
1.223442065139E+14
Altitude
14557004.55773
Surface area
1.223442065139E+14
Volume
5.5970335558283E+20
Height
7923829.6332906