30646721 is an odd 8-digits composite number following 30646720
and preceding 30646722 . In scientific notation, it is written as 3.0646721 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 25627680 positive integers (up to 30646721) that are relatively prime to 30646721.
30646721 has 8 divisors, whose sum is 35879424
The reverse of 30646721 is 12764603
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty million six hundred forty-six thousand seven hundred twenty-one
Scientific notation
3.0646721 × 10^7
Engineering notation
3.0646721 × 10^6
Prime Factorization
7 × 41 × 106783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30646721
Product of the distinct prime numbers
The prime factorization of 30646721 is 7 × 41 × 106783.
Since it has a total of 3 prime factors.
3 , 8 , 94 , 11 , 346 , 376 , 251 , 4569 , 2703 , 23543 , 375529 , 240982 , 9254927 , 3399706 , 78405391 , 34437165 , 643387936 , 144075563 , 1210747647 , 457476319
n×2
61293442
n×3
91940163
n×4
122586884
n×5
153233605
n÷2
15323360.5
n÷3
10215573.666667
n÷3
7661680.25
n÷5
6129344.2
n2
939221508051841
n3
2.8784059514464E+22
n4
8.8213704118717E+29
n5
2.7034607785029E+37
2 √n
5535.9480669529
3 √n
312.9401873412
4 √n
74.403951957896
5 √n
31.425109737464
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
-30646720
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 30646721 can be divided by 8 positive divisors.
The sum of these divisors (counting 30646721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100111010000111000001
3
Ternary
2010200000101202
4
Quaternary
1310322013001
5
Quinary
30321143341
6
Senary
3012510545
8
Octal
164720701
10
Decimal
30646721
12
Duodecimal
a31b455
16
Hexadecimal
1d3a1c1
20
Vigesimal
9bagg1
36
Base36
i8v5t
md5
52a0d59ed29948699797e447f2992eff
sha1
5dd19e625c344f2ca3606d5af9459126470b49da
sha256
bb9e9ec3dc349c06f8cf3488d62480deb5aee080b75bfe3bfb130fa3a594fe21
sha512
109bebf6b4e4e015071ec7f84eb0d34652f5d9ae0e640cff069c3181e984e48abec426a8c23d34c58b6210cd7bd9dfe7d9997f4ff37a8337ae0dc7b0773a7bc6
ripemd-160
03cd1561de5cdbd2b952ee81c53cad249fd60186
Diameter
61293442
Circumference
192559027.10043
Area
2.9506513897892E+15
Volume
1.2057038654818E+23
Surface area
1.1802605559157E+16
Circumference
192559027.10043
Perimeter
122586884
Area
939221508051841
Diagonal
43341008.480464
Surface area
5635329048311046
Volume
2.8784059514464E+22
Space diagonal
53081677.857388
Perimeter
91940163
Area
4.0669484287681E+14
Altitude
26540838.928694
Surface area
4.0669484287681E+14
Volume
3.3922339454591E+21
Height
14447002.826821