16855981 is an odd 8-digits composite number following 16855980
and preceding 16855982 . In scientific notation, it is written as 1.6855981 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 16682112 positive integers (up to 16855981) that are relatively prime to 16855981.
16855981 has 4 divisors, whose sum is 17029852
The reverse of 16855981 is 18955861
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixteen million eight hundred fifty-five thousand nine hundred eighty-one
Scientific notation
1.6855981 × 10^7
Engineering notation
1.6855981 × 10^6
Prime Factorization
97 × 173773
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16855981
Product of the distinct prime numbers
The prime factorization of 16855981 is 97 × 173773.
Since it has a total of 2 prime factors.
10 , 2 , 41 , 86 , 365 , 46 , 2225 , 1749 , 51397 , 75767 , 59132 , 777648 , 5205683 , 4428402 , 94697678 , 83344095 , 443684542 , 910413856 , 8116477283 , 5374479774
n×2
33711962
n×3
50567943
n×4
67423924
n×5
84279905
n÷2
8427990.5
n÷3
5618660.3333333
n÷3
4213995.25
n÷5
3371196.2
n2
284124095472361
n3
4.7891903549243E+21
n4
8.0726501627987E+28
n5
1.3607243776378E+36
2 √n
4105.6036097022
3 √n
256.39999419946
4 √n
64.074984273913
5 √n
27.88372600842
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
-16855980
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 16855981 can be divided by 4 positive divisors.
The sum of these divisors (counting 16855981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000000010011001110101101
3
Ternary
1011201101001121
4
Quaternary
1000103032231
5
Quinary
13303342411
6
Senary
1401140541
8
Octal
100231655
10
Decimal
16855981
12
Duodecimal
578a751
16
Hexadecimal
10133ad
20
Vigesimal
556jj1
36
Base36
a1a5p
md5
214d74800d82c445ea2d12cf12aa1c5b
sha1
cda3e0b2c2e607803952168e1864c0beb61a3d17
sha256
990db860e1ec5ba74fc8af32c72e8d05fb8ba402871918ab3dcb3e5f7de6216a
sha512
6df5dda7b6c6e4246141119037d39707bdb12680cdc1b7f76032694873c03c9865d3552831393cba90118318d7b76fc450fd90023bba2fc41b750ba0ff2ddd27
ripemd-160
a3c39401aa8801dfe6ee00d590f4d56a055d04d7
Diameter
33711962
Circumference
105909252.1573
Area
8.9260217104381E+14
Volume
2.0060913647564E+22
Surface area
3.5704086841753E+15
Circumference
105909252.1573
Perimeter
67423924
Area
284124095472361
Diagonal
23837956.937303
Surface area
1704744572834166
Volume
4.7891903549243E+21
Space diagonal
29195415.503416
Perimeter
50567943
Area
1.2302934225317E+14
Altitude
14597707.751708
Surface area
1.2302934225317E+14
Volume
5.6441149606003E+20
Height
7945985.6457677