30886021 is an odd 8-digits composite number following 30886020
and preceding 30886022 . In scientific notation, it is written as 3.0886021 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 30715200 positive integers (up to 30886021) that are relatively prime to 30886021.
30886021 has 4 divisors, whose sum is 31056844
The reverse of 30886021 is 12068803
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty million eight hundred eighty-six thousand twenty-one
Scientific notation
3.0886021 × 10^7
Engineering notation
3.0886021 × 10^6
Prime Factorization
181 × 170641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30886021
Product of the distinct prime numbers
The prime factorization of 30886021 is 181 × 170641.
Since it has a total of 2 prime factors.
10 , 6 , 8 , 95 , 588 , 97 , 6803 , 5494 , 85774 , 61345 , 803674 , 345819 , 4947867 , 2260140 , 23151992 , 53803345 , 755361185 , 46515915 , 6818885231 , 4034420861
n×2
61772042
n×3
92658063
n×4
123544084
n×5
154430105
n÷2
15443010.5
n÷3
10295340.333333
n÷3
7721505.25
n÷5
6177204.2
n2
953946293212441
n3
2.9463605245032E+22
n4
9.1001353033376E+29
n5
2.8106697008173E+37
2 √n
5557.5193207042
3 √n
313.75259088986
4 √n
74.548771423171
5 √n
31.474032756842
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
-30886020
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 30886021 can be divided by 4 positive divisors.
The sum of these divisors (counting 30886021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101110100100010000101
3
Ternary
2011010011122201
4
Quaternary
1311310202011
5
Quinary
30401323041
6
Senary
3021554501
8
Octal
165644205
10
Decimal
30886021
12
Duodecimal
a415a31
16
Hexadecimal
1d74885
20
Vigesimal
9d0f11
36
Base36
idzt1
md5
8e5e42df9349c22f39fd1c9e68ea2b55
sha1
4743db6b9eba48f4385f7902b901b2450ef4ba45
sha256
f0fabce942e4242160ee9555ec59c6a29422e7683f6a4f1c9376cd649996965f
sha512
0bd48bfc75331bbf5564f40ddb122f8fc324a0b13f424475ab81cd706b9c4ad60ab05a722638a78efe189f785c5487665c4d96522b91abc7d417640017c9b2f5
ripemd-160
136970429fb91d5aaf4427551f0eb561c967ca46
Diameter
61772042
Circumference
194062593.34444
Area
2.9969106666754E+15
Volume
1.2341686104808E+23
Surface area
1.1987642666702E+16
Circumference
194062593.34444
Perimeter
123544084
Area
953946293212441
Diagonal
43679429.78594
Surface area
5723677759274646
Volume
2.9463605245032E+22
Space diagonal
53496157.615639
Perimeter
92658063
Area
4.1307086188399E+14
Altitude
26748078.80782
Surface area
4.1307086188399E+14
Volume
3.4723191778276E+21
Height
14559809.928647