16403981 is an odd 8-digits composite number following 16403980
and preceding 16403982 . In scientific notation, it is written as 1.6403981 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 14912700 positive integers (up to 16403981) that are relatively prime to 16403981.
16403981 has 4 divisors, whose sum is 17895264
The reverse of 16403981 is 18930461
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixteen million four hundred three thousand nine hundred eighty-one
Scientific notation
1.6403981 × 10^7
Engineering notation
1.6403981 × 10^6
Prime Factorization
11 × 1491271
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16403981
Product of the distinct prime numbers
The prime factorization of 16403981 is 11 × 1491271.
Since it has a total of 2 prime factors.
3 , 6 , 35 , 75 , 743 , 143 , 3866 , 677 , 47888 , 10853 , 103503 , 89562 , 9899111 , 5921397 , 45887880 , 88535623 , 919688263 , 930186150 , 9026334813 , 9445470546
n×2
32807962
n×3
49211943
n×4
65615924
n×5
82019905
n÷2
8201990.5
n÷3
5467993.6666667
n÷3
4100995.25
n÷5
3280796.2
n2
269090592648361
n3
4.4141569690825E+21
n4
7.2409747051846E+28
n5
1.1878081148533E+36
2 √n
4050.1828353792
3 √n
254.08737461497
4 √n
63.641046780982
5 √n
27.732552991788
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
-16403980
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 16403981 can be divided by 4 positive divisors.
The sum of these divisors (counting 16403981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110100100111000001101
3
Ternary
1010212102000212
4
Quaternary
332210320031
5
Quinary
13144411411
6
Senary
1343332205
8
Octal
76447015
10
Decimal
16403981
12
Duodecimal
55b1065
16
Hexadecimal
fa4e0d
20
Vigesimal
52a9j1
36
Base36
9rle5
md5
bf62eb2323bb7cd60dfdc0a4d31d3b3f
sha1
f04cb8b501de3476943f052ae423cd94f2b0b893
sha256
f56f43812e4cfeb0bb2c86565933634ad1da8f5835ab16477e35ec4eabf51e60
sha512
cfd92af8bdb3add82595ad190961345815ef356e9985f663fb512a2da80b26094a8432e57459487881a0a3292a247aa0c07e50d8e69f60340e8eba4c00f5f213
ripemd-160
d369512f5d78b8e44f6da1e4fcfc3555acd07460
Diameter
32807962
Circumference
103069252.39845
Area
8.4537302901421E+14
Volume
1.8489977474482E+22
Surface area
3.3814921160569E+15
Circumference
103069252.39845
Perimeter
65615924
Area
269090592648361
Diagonal
23198732.407111
Surface area
1614543555890166
Volume
4.4141569690825E+21
Space diagonal
28412528.538395
Perimeter
49211943
Area
1.1651964457645E+14
Altitude
14206264.269197
Surface area
1.1651964457645E+14
Volume
5.2021338767668E+20
Height
7732910.8023702