16642945 is an odd 8-digits composite number following 16642944
and preceding 16642946 . In scientific notation, it is written as 1.6642945 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 12103520 positive integers (up to 16642945) that are relatively prime to 16642945.
16642945 has 8 divisors, whose sum is 18486720
The reverse of 16642945 is 54924661
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixteen million six hundred forty-two thousand nine hundred forty-five
Scientific notation
1.6642945 × 10^7
Engineering notation
1.6642945 × 10^6
Prime Factorization
55 × 11 × 27509
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16642945
Product of the distinct prime numbers
The prime factorization of 16642945 is 55 × 11 × 27509.
Since it has a total of 3 prime factors.
9 , 8 , 99 , 84 , 870 , 693 , 9508 , 1768 , 57900 , 66323 , 932269 , 769150 , 1477527 , 5312308 , 62856959 , 89296110 , 487634986 , 540696907 , 9841231199 , 1439224838
n×2
33285890
n×3
49928835
n×4
66571780
n×5
83214725
n÷2
8321472.5
n÷3
5547648.3333333
n÷3
4160736.25
n÷5
3328589
n2
276987618273025
n3
4.609889696599E+21
n4
7.6722140676563E+28
n5
1.2768823675623E+36
2 √n
4079.5765711652
3 √n
255.31523234413
4 √n
63.871563086911
5 √n
27.81288471205
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
-16642944
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 16642945 can be divided by 8 positive divisors.
The sum of these divisors (counting 16642945) is 1, the average is 0.125.
Base
System
Value
2
Binary
111111011111001110000001
3
Ternary
1011022112211101
4
Quaternary
333133032001
5
Quinary
13230033240
6
Senary
1352414401
8
Octal
77371601
10
Decimal
16642945
12
Duodecimal
56a7401
16
Hexadecimal
fdf381
20
Vigesimal
540775
36
Base36
9wps1
md5
0cf3d3befb8daf54ea87f2780c7ed852
sha1
d24b554c9e3cd81906c17d73ed64f519029efb81
sha256
155cf96c0fa60ea745e650ed7dbaa670dc73860036df7bffb2367de05bfc5932
sha512
b9c5c04b3921b1fac3f4650a3f47f4718292301dbe7ab90204ae6ae3c4fda2433101ec72cafc8860d5fc4f51662e9a04ffaa1cb22529ff3543f08c50eaa79aa4
ripemd-160
f01b2561af02a4fb40893d7822438f9e3ffe66ca
Diameter
33285890
Circumference
104570707.4922
Area
8.7018226670187E+14
Volume
1.9309860806259E+22
Surface area
3.4807290668075E+15
Circumference
104570707.4922
Perimeter
66571780
Area
276987618273025
Diagonal
23536678.536829
Surface area
1661925709638150
Volume
4.609889696599E+21
Space diagonal
28826426.327574
Perimeter
49928835
Area
1.1993915697909E+14
Altitude
14413213.163787
Surface area
1.1993915697909E+14
Volume
5.4328071083119E+20
Height
7845559.5122765