30666721 is an odd 8-digits composite number following 30666720
and preceding 30666722 . In scientific notation, it is written as 3.0666721 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 30644244 positive integers (up to 30666721) that are relatively prime to 30666721.
30666721 has 4 divisors, whose sum is 30689200
The reverse of 30666721 is 12766603
Previous prime number is 1459
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty million six hundred sixty-six thousand seven hundred twenty-one
Scientific notation
3.0666721 × 10^7
Engineering notation
3.0666721 × 10^6
Prime Factorization
1459 × 21019
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30666721
Product of the distinct prime numbers
The prime factorization of 30666721 is 1459 × 21019.
Since it has a total of 2 prime factors.
3 , 9 , 3 , 59 , 535 , 327 , 6881 , 4779 , 27681 , 80018 , 790827 , 551805 , 5863872 , 7954815 , 53004033 , 53262818 , 246367138 , 587316486 , 4439855521 , 3686247894
n×2
61333442
n×3
92000163
n×4
122666884
n×5
153333605
n÷2
15333360.5
n÷3
10222240.333333
n÷3
7666680.25
n÷5
6133344.2
n2
940447776891841
n3
2.8840449589012E+22
n4
8.8444202106081E+29
n5
2.7122936700548E+37
2 √n
5537.7541476667
3 √n
313.00824728955
4 √n
74.416087962663
5 √n
31.429210262248
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30666720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30666721 can be divided by 4 positive divisors.
The sum of these divisors (counting 30666721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100111110111111100001
3
Ternary
2010201000211111
4
Quaternary
1310332333201
5
Quinary
30322313341
6
Senary
3013143321
8
Octal
164767741
10
Decimal
30666721
12
Duodecimal
a32ab41
16
Hexadecimal
1d3efe1
20
Vigesimal
9bd6g1
36
Base36
i9ald
md5
80c748a3ce7ecaded84ebc889fd84432
sha1
70df8d464b9a20880bf09b3c76b9b1c5668600d1
sha256
745250fdf08fab60e9c7fb306c30dc379d4b36f6eb0028ab0be8abe77bb8867e
sha512
46e7f1ff1370054e5ed44a67b239bf54ee48105e04726d090552119d54457f88f0053135c791e1c5e64e6bcca6f7837568a9b962dc376745026a83372e147131
ripemd-160
5bf028fcdc885aa72336118e3093598a1627291e
Diameter
61333442
Circumference
192684690.80658
Area
2.9545038269683E+15
Volume
1.2080659274009E+23
Surface area
1.1818015307873E+16
Circumference
192684690.80658
Perimeter
122666884
Area
940447776891841
Diagonal
43369292.751712
Surface area
5642686661351046
Volume
2.8840449589012E+22
Space diagonal
53116318.873539
Perimeter
92000163
Area
4.0722583286047E+14
Altitude
26558159.43677
Surface area
4.0722583286047E+14
Volume
3.3988795794766E+21
Height
14456430.917237