30881372 is an even 8-digits composite number following 30881371
and preceding 30881373 . In scientific notation, it is written as 3.0881372 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 14952960 positive integers (up to 30881372) that are relatively prime to 30881372.
30881372 has 24 divisors, whose sum is 55777680
The reverse of 30881372 is 27318803
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty million eight hundred eighty-one thousand three hundred seventy-two
Scientific notation
3.0881372 × 10^7
Engineering notation
3.0881372 × 10^6
Prime Factorization
2 × 2 × 67 × 61 × 1889
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15440686
Product of the distinct prime numbers
The prime factorization of 30881372 is 2 × 2 × 67 × 61 × 1889.
Since it has a total of 5 prime factors.
8 , 3 , 15 , 46 , 226 , 326 , 2712 , 3226 , 11382 , 38957 , 85046 , 441060 , 207097 , 2648885 , 72369271 , 45863275 , 40923782 , 533667806 , 8405202329 , 3469141984
n×2
61762744
n×3
92644116
n×4
123525488
n×5
154406860
n÷2
15440686
n÷3
10293790.666667
n÷3
7720343
n÷5
6176274.4
n2
953659136602384
n3
2.9450302558617E+22
n4
9.094657488252E+29
n5
2.808555011073E+37
2 √n
5557.10104281
3 √n
313.73684796432
4 √n
74.545965972747
5 √n
31.473085198146
1 , 2 , 4 , 61 , 67 , 122 , 134 , 244 , 268 , 1889 , 3778 , 4087 , 7556 , 8174 , 16348 , 115229 , 126563 , 230458 , 253126 , 460916 , 506252 , 7720343 , 15440686 , 30881372
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
-30881371
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 30881372 can be divided by 24 positive divisors.
The sum of these divisors (counting 30881372) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110101110011011001011100
3
Ternary
2011002221021112
4
Quaternary
1311303121130
5
Quinary
30401200442
6
Senary
3021521152
8
Octal
165633134
10
Decimal
30881372
12
Duodecimal
a4131b8
16
Hexadecimal
1d7365c
20
Vigesimal
9d038c
36
Base36
idw7w
md5
390a518a78026e7203e95a5687f11eb4
sha1
8768e81a91fd956aeda72c2c3f9d91ef1ff01b0d
sha256
557a097d2ea154d7564c815dbf58074d792d3247fc6a239dd28f8e0fa008ff66
sha512
de4a6c4e144b947e438801ad0537e3cfeeeb3c9160fd81f0ef04a8dcbb92b2a6994fe0e70b18cc5cfcacd6d0f5af563ff9e7d4d7ea4d26d06e36ae600c87d44f
ripemd-160
84fcdcae2b32778faa50b7de8b354c78dfb15f4b
Diameter
61762744
Circumference
194033382.81595
Area
2.9960085375788E+15
Volume
1.2336113888553E+23
Surface area
1.1984034150315E+16
Circumference
194033382.81595
Perimeter
123525488
Area
953659136602384
Diagonal
43672855.107089
Surface area
5721954819614304
Volume
2.9450302558617E+22
Space diagonal
53488105.311435
Perimeter
92644116
Area
4.129465194244E+14
Altitude
26744052.655717
Surface area
4.129465194244E+14
Volume
3.4707514411989E+21
Height
14557618.36903