16421805 is an odd 8-digits composite number following 16421804
and preceding 16421806 . In scientific notation, it is written as 1.6421805 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 8665920 positive integers (up to 16421805) that are relatively prime to 16421805.
16421805 has 16 divisors, whose sum is 20651904
The reverse of 16421805 is 50812461
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
sixteen million four hundred twenty-one thousand eight hundred five
Scientific notation
1.6421805 × 10^7
Engineering notation
1.6421805 × 10^6
Prime Factorization
5 × 27 × 103 × 1181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16421805
Product of the distinct prime numbers
The prime factorization of 16421805 is 5 × 27 × 103 × 1181.
Since it has a total of 4 prime factors.
9 , 3 , 75 , 28 , 972 , 88 , 1782 , 8103 , 99603 , 140 , 391175 , 338055 , 400822 , 8255140 , 33923889 , 36029449 , 749875682 , 212992934 , 3785445711 , 3426966880
n×2
32843610
n×3
49265415
n×4
65687220
n×5
82109025
n÷2
8210902.5
n÷3
5473935
n÷3
4105451.25
n÷5
3284361
n2
269675679458025
n3
4.4285614213022E+21
n4
7.2724972091147E+28
n5
1.1942753103113E+36
2 √n
4052.3826324768
3 √n
254.17936882979
4 √n
63.658327283057
5 √n
27.738577021279
1 , 5 , 27 , 103 , 135 , 515 , 1181 , 2781 , 5905 , 13905 , 31887 , 121643 , 159435 , 608215 , 3284361 , 16421805
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
-16421804
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 16421805 can be divided by 16 positive divisors.
The sum of these divisors (counting 16421805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110101001001110101101
3
Ternary
1010220022111000
4
Quaternary
332221032231
5
Quinary
13200444210
6
Senary
1343550513
8
Octal
76511655
10
Decimal
16421805
12
Duodecimal
55bb439
16
Hexadecimal
fa93ad
20
Vigesimal
52cea5
36
Base36
9rz59
md5
d0442a6e24726707ced2af3c7fb06e1b
sha1
8202aeece6665e1a4847cd57bc916295d7a7dce9
sha256
221c6a7edbbae5ed582c18ab1ba64ecbf304fe4bac692fee1e48e0189336fc2a
sha512
224ebbb26cb79e55e04efc580c00fb15b9342d7b83f8c3563e87faef4efbf8b7857e8dd6d06e67e41b8b7d23547477d7bad85f57f4cbea641830b2666f52d943
ripemd-160
10e1db0b9517dcff93300b9352ffeb2d71c5d0de
Diameter
32843610
Circumference
103181243.89337
Area
8.4721113343717E+14
Volume
1.8550314702846E+22
Surface area
3.3888445337487E+15
Circumference
103181243.89337
Perimeter
65687220
Area
269675679458025
Diagonal
23223939.349646
Surface area
1618054076748150
Volume
4.4285614213022E+21
Space diagonal
28443400.611989
Perimeter
49265415
Area
1.1677299459674E+14
Altitude
14221700.305994
Surface area
1.1677299459674E+14
Volume
5.2191096865065E+20
Height
7741313.1165488