16668021 is an odd 8-digits composite number following 16668020
and preceding 16668022 . In scientific notation, it is written as 1.6668021 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 11102480 positive integers (up to 16668021) that are relatively prime to 16668021.
16668021 has 8 divisors, whose sum is 22243104
The reverse of 16668021 is 12086661
Previous prime number is 2741
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixteen million six hundred sixty-eight thousand twenty-one
Scientific notation
1.6668021 × 10^7
Engineering notation
1.6668021 × 10^6
Prime Factorization
3 × 2741 × 2027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16668021
Product of the distinct prime numbers
The prime factorization of 16668021 is 3 × 2741 × 2027.
Since it has a total of 3 prime factors.
5 , 8 , 36 , 49 , 641 , 516 , 1568 , 3196 , 31231 , 28575 , 320309 , 324693 , 1566183 , 4360482 , 50771438 , 51372307 , 202429803 , 198541356 , 6101399844 , 3173810364
n×2
33336042
n×3
50004063
n×4
66672084
n×5
83340105
n÷2
8334010.5
n÷3
5556007
n÷3
4167005.25
n÷5
3333604.2
n2
277822924056441
n3
4.6307583324542E+21
n4
7.7185577131271E+28
n5
1.2865308205211E+36
2 √n
4082.6487725495
3 √n
255.44339619984
4 √n
63.895608397992
5 √n
27.821260825108
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
-16668020
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 16668021 can be divided by 8 positive divisors.
The sum of these divisors (counting 16668021) is 1, the average is 0.125.
Base
System
Value
2
Binary
111111100101010101110101
3
Ternary
1011100211020010
4
Quaternary
333211111311
5
Quinary
13231334041
6
Senary
1353130433
8
Octal
77452565
10
Decimal
16668021
12
Duodecimal
56b9a19
16
Hexadecimal
fe5575
20
Vigesimal
543a11
36
Base36
9x94l
md5
e0b9d0fef7f3998e89e26ce6dc948263
sha1
87ac92f78da0870aa7ae57f4548d65c9ce060477
sha256
0c041884a3551813646559887d9fb8f2977991bb0a8679c206c475c6f9129bec
sha512
f4bbd8c59713fc097b75de3731ac5b7a1ed8956faf61a58976bc1f2b0318b5ab6138d7bdaa5ea687851bccbfb6b6c365acd4d0d47efa15408f372745ef27d15d
ripemd-160
945aba40e663be4accf8741f01dfad5e278999d2
Diameter
33336042
Circumference
104728264.64696
Area
8.7280645721455E+14
Volume
1.9397275143717E+22
Surface area
3.4912258288582E+15
Circumference
104728264.64696
Perimeter
66672084
Area
277822924056441
Diagonal
23572141.35612
Surface area
1666937544338646
Volume
4.6307583324542E+21
Space diagonal
28869859.233625
Perimeter
50004063
Area
1.2030085499328E+14
Altitude
14434929.616813
Surface area
1.2030085499328E+14
Volume
5.4574010315241E+20
Height
7857380.4520399