30606721 is an odd 8-digits composite number following 30606720
and preceding 30606722 . In scientific notation, it is written as 3.0606721 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 29275972 positive integers (up to 30606721) that are relatively prime to 30606721.
30606721 has 4 divisors, whose sum is 31937472
The reverse of 30606721 is 12760603
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty million six hundred six thousand seven hundred twenty-one
Scientific notation
3.0606721 × 10^7
Engineering notation
3.0606721 × 10^6
Prime Factorization
23 × 1330727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30606721
Product of the distinct prime numbers
The prime factorization of 30606721 is 23 × 1330727.
Since it has a total of 2 prime factors.
6 , 8 , 50 , 8 , 520 , 317 , 5510 , 744 , 1522 , 45056 , 569565 , 751949 , 4285852 , 822716 , 86143882 , 75128227 , 666978517 , 823615821 , 4091215400 , 6510955639
n×2
61213442
n×3
91820163
n×4
122426884
n×5
153033605
n÷2
15303360.5
n÷3
10202240.333333
n÷3
7651680.25
n÷5
6121344.2
n2
936771370371841
n3
2.8671499973759E+22
n4
8.7754060034834E+29
n5
2.6858640321034E+37
2 √n
5532.3341366913
3 √n
312.8039785613
4 √n
74.379662117351
5 √n
31.416902261309
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
-30606720
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 30606721 can be divided by 4 positive divisors.
The sum of these divisors (counting 30606721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100110000010110000001
3
Ternary
2010120222112021
4
Quaternary
1310300112001
5
Quinary
30313403341
6
Senary
3012001441
8
Octal
164602601
10
Decimal
30606721
12
Duodecimal
a300281
16
Hexadecimal
1d30581
20
Vigesimal
9b5gg1
36
Base36
i80ap
md5
d60df3b808a2d9198b98178293600757
sha1
496635d7f6f86712cacb877b5fdf902bad0a66a3
sha256
5672eff910e8f8c3006f04f916fe09cf2127b970ab4c4e182f1f7cd03ca2f848
sha512
806519892b3284eb5ed810bfe23f0698853a0b2522d0fbc92e7a78ba28b9acbc5597da08f161405933e6e707dec43ed8582e113c17d0cd5e12ca83ec31c9a755
ripemd-160
f3d73f63d25aa3b74fa93d1003bc2146846293df
Diameter
61213442
Circumference
192307699.68814
Area
2.9429540552534E+15
Volume
1.2009889824661E+23
Surface area
1.1771816221014E+16
Circumference
192307699.68814
Perimeter
122426884
Area
936771370371841
Diagonal
43284439.937969
Surface area
5620628222231046
Volume
2.8671499973759E+22
Space diagonal
53012395.825085
Perimeter
91820163
Area
4.0563390213999E+14
Altitude
26506197.912543
Surface area
4.0563390213999E+14
Volume
3.3789686763724E+21
Height
14428146.64599