30721812 is an even 8-digits composite number following 30721811
and preceding 30721813 . In scientific notation, it is written as 3.0721812 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 9309600 positive integers (up to 30721812) that are relatively prime to 30721812.
30721812 has 24 divisors, whose sum is 78201312
The reverse of 30721812 is 21812703
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
thirty million seven hundred twenty-one thousand eight hundred twelve
Scientific notation
3.0721812 × 10^7
Engineering notation
3.0721812 × 10^6
Prime Factorization
2 × 2 × 3 × 11 × 232741
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15360906
Product of the distinct prime numbers
The prime factorization of 30721812 is 2 × 2 × 3 × 11 × 232741.
Since it has a total of 5 prime factors.
6 , 9 , 100 , 27 , 594 , 720 , 3667 , 6157 , 24746 , 46942 , 318323 , 363619 , 8895980 , 9155371 , 51192151 , 22119896 , 846582183 , 79012310 , 2796328047 , 1421779845
n×2
61443624
n×3
92165436
n×4
122887248
n×5
153609060
n÷2
15360906
n÷3
10240604
n÷3
7680453
n÷5
6144362.4
n2
943829732563344
n3
2.8996159603821E+22
n4
8.9081456407059E+29
n5
2.7367437564239E+37
2 √n
5542.726044105
3 √n
313.195568933
4 √n
74.449486526806
5 √n
31.44049431032
1 , 2 , 3 , 4 , 6 , 11 , 12 , 22 , 33 , 44 , 66 , 132 , 232741 , 465482 , 698223 , 930964 , 1396446 , 2560151 , 2792892 , 5120302 , 7680453 , 10240604 , 15360906 , 30721812
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30721811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30721812 can be divided by 24 positive divisors.
The sum of these divisors (counting 30721812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110101001100011100010100
3
Ternary
2010210211101220
4
Quaternary
1311030130110
5
Quinary
30331044222
6
Senary
3014250340
8
Octal
165143424
10
Decimal
30721812
12
Duodecimal
a3569b0
16
Hexadecimal
1d4c714
20
Vigesimal
9c04ac
36
Base36
iah3o
md5
c10daeab0ca5df9cd5f5a8b787dda74e
sha1
18d26a0f8c75f212f50b395f875184d109734c49
sha256
9c0e97331805a325bdee9d0bfcf8b6d84f412a03d5912138688fd185c55922dc
sha512
262f9563512e854da9f1cdef50911605941eefe996515d7280d7012b5085adb0bb0a0e6c68ac6ae8b9111a7fdab0a68d5c9a653d6ce75fb7907f5a24671a2ab9
ripemd-160
0414683170e3ab13a84968eb6584b196a6b38608
Diameter
61443624
Circumference
193030837.76833
Area
2.9651285540606E+15
Volume
1.2145882932491E+23
Surface area
1.1860514216242E+16
Circumference
193030837.76833
Perimeter
122887248
Area
943829732563344
Diagonal
43447203.191077
Surface area
5662978395380064
Volume
2.8996159603821E+22
Space diagonal
53211739.284579
Perimeter
92165436
Area
4.0869026262346E+14
Altitude
26605869.64229
Surface area
4.0869026262346E+14
Volume
3.4172301807049E+21
Height
14482401.063692