16218881 is an odd 8-digits composite number following 16218880
and preceding 16218882 . In scientific notation, it is written as 1.6218881 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 13867200 positive integers (up to 16218881) that are relatively prime to 16218881.
16218881 has 8 divisors, whose sum is 18582144
The reverse of 16218881 is 18881261
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixteen million two hundred eighteen thousand eight hundred eighty-one
Scientific notation
1.6218881 × 10^7
Engineering notation
1.6218881 × 10^6
Prime Factorization
7 × 433 × 5351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16218881
Product of the distinct prime numbers
The prime factorization of 16218881 is 7 × 433 × 5351.
Since it has a total of 3 prime factors.
5 , 10 , 49 , 21 , 910 , 132 , 8386 , 4837 , 69884 , 10007 , 926461 , 380528 , 3071192 , 4919495 , 15536328 , 58851692 , 387742127 , 630399643 , 1070422071 , 9353428785
n×2
32437762
n×3
48656643
n×4
64875524
n×5
81094405
n÷2
8109440.5
n÷3
5406293.6666667
n÷3
4054720.25
n÷5
3243776.2
n2
263052100892161
n3
4.26641072117E+21
n4
6.919640778378E+28
n5
1.1222883034726E+36
2 √n
4027.2671875603
3 √n
253.12806298178
4 √n
63.4607531279
5 √n
27.669682606859
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
-16218880
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 16218881 can be divided by 8 positive divisors.
The sum of these divisors (counting 16218881) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110111101100000001
3
Ternary
1010112000010022
4
Quaternary
331313230001
5
Quinary
13123001011
6
Senary
1335343225
8
Octal
75675401
10
Decimal
16218881
12
Duodecimal
5521b15
16
Hexadecimal
f77b01
20
Vigesimal
517741
36
Base36
9nmkh
md5
c08d931d9b3acb3e490079cfd9691ae0
sha1
b952ddb7782a2708b1ab83e527cf8e58a92f674d
sha256
6dc1c137326310b064bab652a83b9a58faeb7c4d1018f589ca717b9dd231bb9c
sha512
e5b76f8450ca62f7cfbd19a08f63da4d8c462a487a2aa640a3030c263b86b99507f90887cb9a382b01bab92d15be53b849e23bd21ac7158cf1c48eeb793a6200
ripemd-160
6200aded3351b584a5fe351f2ae759d36debfa5f
Diameter
32437762
Circumference
101906234.79809
Area
8.2640254767417E+14
Volume
1.7871099438432E+22
Surface area
3.3056101906967E+15
Circumference
101906234.79809
Perimeter
64875524
Area
263052100892161
Diagonal
22936961.476715
Surface area
1578312605352966
Volume
4.26641072117E+21
Space diagonal
28091925.933914
Perimeter
48656643
Area
1.1390490094574E+14
Altitude
14045962.966957
Surface area
1.1390490094574E+14
Volume
5.0280132537771E+20
Height
7645653.8255718