16405621 is an odd 8-digits prime number following 16405620
and preceding 16405622 . In scientific notation, it is written as 1.6405621 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 16405620 positive integers (up to 16405621) that are relatively prime to 16405621.
16405621 has 2 divisors, whose sum is 16405622
The reverse of 16405621 is 12650461
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
sixteen million four hundred five thousand six hundred twenty-one
Scientific notation
1.6405621 × 10^7
Engineering notation
1.6405621 × 10^6
Prime Factorization
16405621
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
16405621
Product of the distinct prime numbers
The prime factorization of 16405621 is 16405621.
Since it has a total of 1 prime factors.
7 , 10 , 91 , 4 , 584 , 921 , 4871 , 760 , 80039 , 28555 , 531869 , 508581 , 5587602 , 3910936 , 90323627 , 19910068 , 15619381 , 938005170 , 1636538312 , 4042994883
n×2
32811242
n×3
49216863
n×4
65622484
n×5
82028105
n÷2
8202810.5
n÷3
5468540.3333333
n÷3
4101405.25
n÷5
3281124.2
n2
269144400395641
n3
4.4154810271631E+21
n4
7.2438708264329E+28
n5
1.1884019935142E+36
2 √n
4050.385290315
3 √n
254.09584185652
4 √n
63.642637361402
5 √n
27.733107486069
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
16405622
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
8202811
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4050.38541376
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998780906
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16405621 can be divided by 2 positive divisors.
The sum of these divisors (counting 16405621) is 16405622, the average is 8202811.
Base
System
Value
2
Binary
111110100101010001110101
3
Ternary
1010212111021121
4
Quaternary
332211101311
5
Quinary
13144434441
6
Senary
1343343541
8
Octal
76452165
10
Decimal
16405621
12
Duodecimal
55b1bb1
16
Hexadecimal
fa5475
20
Vigesimal
52ae11
36
Base36
9rmnp
md5
7c0179c23990ef18f1df690d3df6f940
sha1
0b44ef2a884305581c4bceb87ea325e8a70caefc
sha256
7af422a2cb9c6f10639137fb8e8e0d7836b81fb9a56dd57cb3f24337b59d4e70
sha512
3a0ae953971512aa69e91450b484bfced0950c35d131a0cecb514063189e025195ebb7a816bf26b0f2ad859013ffe37cf5d70df823a11ed1c7de44c151eada13
ripemd-160
794778d210ff36c170159325b16d8d7ed0ecc113
Diameter
32811242
Circumference
103079556.82236
Area
8.4554207103778E+14
Volume
1.8495523676001E+22
Surface area
3.3821682841511E+15
Circumference
103079556.82236
Perimeter
65622484
Area
269144400395641
Diagonal
23201051.717353
Surface area
1614866402373846
Volume
4.4154810271631E+21
Space diagonal
28415369.101719
Perimeter
49216863
Area
1.1654294401448E+14
Altitude
14207684.550859
Surface area
1.1654294401448E+14
Volume
5.2036942941793E+20
Height
7733683.9057843