30991010 is an even 8-digits composite number following 30991009
and preceding 30991011 . In scientific notation, it is written as 3.0991010 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 11996400 positive integers (up to 30991010) that are relatively prime to 30991010.
30991010 has 16 divisors, whose sum is 57583872
The reverse of 30991010 is 01019903
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
thirty million nine hundred ninety-one thousand ten
Scientific notation
3.0991010 × 10^7
Engineering notation
3.0991010 × 10^6
Prime Factorization
2 × 5 × 31 × 99971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30991010
Product of the distinct prime numbers
The prime factorization of 30991010 is 2 × 5 × 31 × 99971.
Since it has a total of 4 prime factors.
10 , 4 , 58 , 64 , 773 , 368 , 281 , 3278 , 29891 , 10811 , 673981 , 545506 , 1618517 , 184617 , 13805103 , 59204967 , 306468279 , 903985422 , 5998599218 , 723742248
n×2
61982020
n×3
92973030
n×4
123964040
n×5
154955050
n÷2
15495505
n÷3
10330336.666667
n÷3
7747752.5
n÷5
6198202
n2
960442700820100
n3
2.9765089345543E+22
n4
9.2245018155861E+29
n5
2.8587662801185E+37
2 √n
5566.9569784578
3 √n
314.10769562358
4 √n
74.612043119444
5 √n
31.495401280489
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 99971 , 199942 , 499855 , 999710 , 3099101 , 6198202 , 15495505 , 30991010
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30991009
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30991010 can be divided by 16 positive divisors.
The sum of these divisors (counting 30991010) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110001110001010100010
3
Ternary
2011022111200012
4
Quaternary
1312032022202
5
Quinary
30413203020
6
Senary
3024124522
8
Octal
166161242
10
Decimal
30991010
12
Duodecimal
a466742
16
Hexadecimal
1d8e2a2
20
Vigesimal
9ddhaa
36
Base36
ig8te
md5
e7cc35b35a736bb819f97f42cada6b07
sha1
8890e2a55875061d9d0d8c01145520a6a1b9a567
sha256
ad8970c3a0152f26e09f264fa15eec2a4c6b1598bb5f66b7b53c270d7a65a981
sha512
32febf2f6a7d8d675c5394178ad44c0ddbcb7422da117121a694db303f87da0f32aa43dd6169843aa8b49b575a43d260758527a45f9fb63585d4a2f4baf9713c
ripemd-160
c97adcc64e26b2f527cce408997686a98c005df2
Diameter
61982020
Circumference
194722258.68666
Area
3.0173197330904E+15
Volume
1.246797146952E+23
Surface area
1.2069278932361E+16
Circumference
194722258.68666
Perimeter
123964040
Area
960442700820100
Diagonal
43827906.65364
Surface area
5762656204920600
Volume
2.9765089345543E+22
Space diagonal
53678003.897875
Perimeter
92973030
Area
4.1588388889477E+14
Altitude
26839001.948938
Surface area
4.1588388889477E+14
Volume
3.5078494198095E+21
Height
14609302.21788