16405945 is an odd 8-digits composite number following 16405944
and preceding 16405946 . In scientific notation, it is written as 1.6405945 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 12707200 positive integers (up to 16405945) that are relatively prime to 16405945.
16405945 has 8 divisors, whose sum is 19791360
The reverse of 16405945 is 54950461
Previous prime number is 17179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixteen million four hundred five thousand nine hundred forty-five
Scientific notation
1.6405945 × 10^7
Engineering notation
1.6405945 × 10^6
Prime Factorization
5 × 17179 × 191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16405945
Product of the distinct prime numbers
The prime factorization of 16405945 is 5 × 17179 × 191.
Since it has a total of 3 prime factors.
1 , 3 , 51 , 16 , 614 , 151 , 8750 , 8651 , 59408 , 96524 , 32544 , 949445 , 7771066 , 1932036 , 92662218 , 72685882 , 935301167 , 163692575 , 3300005547 , 3567999775
n×2
32811890
n×3
49217835
n×4
65623780
n×5
82029725
n÷2
8202972.5
n÷3
5468648.3333333
n÷3
4101486.25
n÷5
3281189
n2
269155031343025
n3
4.4157426406869E+21
n4
7.2444430897265E+28
n5
1.1885193488568E+36
2 √n
4050.4252863125
3 √n
254.09751458627
4 √n
63.642951583915
5 √n
27.733217027254
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
-16405944
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 16405945 can be divided by 8 positive divisors.
The sum of these divisors (counting 16405945) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110100101010110111001
3
Ternary
1010212111201121
4
Quaternary
332211112321
5
Quinary
13144442240
6
Senary
1343345241
8
Octal
76452671
10
Decimal
16405945
12
Duodecimal
55b2221
16
Hexadecimal
fa55b9
20
Vigesimal
52aeh5
36
Base36
9rmwp
md5
8ef7c8f852b436b4fd5faec47a724014
sha1
2fd0ca13d40560778cd340936421dfadfa714f05
sha256
72674ce7a506b68f14f9fc972380b869586cb24806dfe1f3e0b5601ef961d29a
sha512
9144f8ac06e5fab3d65ddbe2cdd2ed9a3bb7584487f2ce55d4830331bde6075e5a8c7f1c60f1cc566b66b3e8f51c46df1867714fb65094364bc01fe982ac301a
ripemd-160
d1edc7cece35c7fa7b0c1e0de7bf4747a5b9bfc1
Diameter
32811890
Circumference
103081592.5744
Area
8.4557546914398E+14
Volume
1.8496619520167E+22
Surface area
3.3823018765759E+15
Circumference
103081592.5744
Perimeter
65623780
Area
269155031343025
Diagonal
23201509.922547
Surface area
1614930188058150
Volume
4.4157426406869E+21
Space diagonal
28415930.286181
Perimeter
49217835
Area
1.1654754734973E+14
Altitude
14207965.14309
Surface area
1.1654754734973E+14
Volume
5.2040026086739E+20
Height
7733836.640849