30891311 is an odd 8-digits composite number following 30891310
and preceding 30891312 . In scientific notation, it is written as 3.0891311 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 28083000 positive integers (up to 30891311) that are relatively prime to 30891311.
30891311 has 4 divisors, whose sum is 33699624
The reverse of 30891311 is 11319803
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty million eight hundred ninety-one thousand three hundred eleven
Scientific notation
3.0891311 × 10^7
Engineering notation
3.0891311 × 10^6
Prime Factorization
11 × 2808301
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30891311
Product of the distinct prime numbers
The prime factorization of 30891311 is 11 × 2808301.
Since it has a total of 2 prime factors.
7 , 1 , 5 , 59 , 689 , 369 , 8736 , 9205 , 68339 , 8013 , 477809 , 862627 , 6174455 , 5077738 , 1398344 , 38795363 , 226902028 , 67750258 , 7674755488 , 2983153291
n×2
61782622
n×3
92673933
n×4
123565244
n×5
154456555
n÷2
15445655.5
n÷3
10297103.666667
n÷3
7722827.75
n÷5
6178262.2
n2
954273095298721
n3
2.9478746965805E+22
n4
9.10637140411E+29
n5
2.8130775112587E+37
2 √n
5557.9952320958
3 √n
313.77050251464
4 √n
74.551963301417
5 √n
31.475110825316
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
-30891310
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 30891311 can be divided by 4 positive divisors.
The sum of these divisors (counting 30891311) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101110101110100101111
3
Ternary
2011010102220122
4
Quaternary
1311311310233
5
Quinary
30402010221
6
Senary
3022035155
8
Octal
165656457
10
Decimal
30891311
12
Duodecimal
a418abb
16
Hexadecimal
1d75d2f
20
Vigesimal
9d185b
36
Base36
ie3vz
md5
0ae9f66302f3472aa6b074a14af05a03
sha1
bcf609cf62f6fe39bca5b7d2cab933b488dfa6b6
sha256
37ae9424351b887dad35baa7790d9b2533631a96056f6518db46b643cb155748
sha512
542662e603483d4d9b1b5d0851e826935038a893d77a7d96751cc8e9bfba885104dbdcab911af836861b249520059ff2f62d36c23eaebe6fffe10e0897bd541e
ripemd-160
f7978f9e50c9c840032612377f466ce8bb4a98c7
Diameter
61782622
Circumference
194095831.39472
Area
2.9979373457089E+15
Volume
1.2348028653974E+23
Surface area
1.1991749382835E+16
Circumference
194095831.39472
Perimeter
123565244
Area
954273095298721
Diagonal
43686910.975685
Surface area
5725638571792326
Volume
2.9478746965805E+22
Space diagonal
53505320.164411
Perimeter
92673933
Area
4.1321237133835E+14
Altitude
26752660.082206
Surface area
4.1321237133835E+14
Volume
3.4741036467339E+21
Height
14562303.658562