20110831 is an odd 8-digits composite number following 20110830
and preceding 20110832 . In scientific notation, it is written as 2.0110831 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 12 positive divisors.
There are 18398016 positive integers (up to 20110831) that are relatively prime to 20110831.
20110831 has 12 divisors, whose sum is 21971712
The reverse of 20110831 is 13801102
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred ten thousand eight hundred thirty-one
Scientific notation
2.0110831 × 10^7
Engineering notation
2.0110831 × 10^6
Prime Factorization
13 × 13 × 127 × 937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1546987
Product of the distinct prime numbers
The prime factorization of 20110831 is 13 × 13 × 127 × 937.
Since it has a total of 4 prime factors.
3 , 8 , 22 , 49 , 918 , 812 , 1317 , 6830 , 441 , 6416 , 981428 , 994635 , 4748517 , 7215474 , 6100109 , 32664728 , 445900322 , 904711500 , 8955411612 , 2267267226
n×2
40221662
n×3
60332493
n×4
80443324
n×5
100554155
n÷2
10055415.5
n÷3
6703610.3333333
n÷3
5027707.75
n÷5
4022166.2
n2
404445523510561
n3
8.1337355720274E+21
n4
1.6357618148773E+29
n5
3.2896529415251E+36
2 √n
4484.5101181734
3 √n
271.94224101578
4 √n
66.966485036721
5 √n
28.8859066419
1 , 13 , 127 , 169 , 937 , 1651 , 12181 , 21463 , 118999 , 158353 , 1546987 , 20110831
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20110830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20110831 can be divided by 12 positive divisors.
The sum of these divisors (counting 20110831) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101101110111101111
3
Ternary
1101211201212121
4
Quaternary
1030231313233
5
Quinary
20122021311
6
Senary
1555013411
8
Octal
114556757
10
Decimal
20110831
12
Duodecimal
689a267
16
Hexadecimal
132ddef
20
Vigesimal
65dh1b
36
Base36
bz1m7
md5
c46ba8aa682cdb6189c3c8749f241b0e
sha1
18817e30a2840cbe0831dff8eedc7cfe602be301
sha256
e814d7bea15c4a44bd198d8d52298f86f6f862466d78b39ca42578f9ffa9fdd1
sha512
0b5c517c1decf068055126d898a2f42b6a33cee4f3e453faa0f85800b8c2bde14c935b29742bfbc89259bbe8620ddb7c1f40c27e8f4c8c61d1b3ed1c4cabb52d
ripemd-160
28173b742c6fa8a0281b697a549fe98cfd184dc2
Diameter
40221662
Circumference
126360077.85437
Area
1.2706030854381E+15
Volume
3.4070511892431E+22
Surface area
5.0824123417522E+15
Circumference
126360077.85437
Perimeter
80443324
Area
404445523510561
Diagonal
28441009.950793
Surface area
2426673141063366
Volume
8.1337355720274E+21
Space diagonal
34832981.074431
Perimeter
60332493
Area
1.7513004890352E+14
Altitude
17416490.537216
Surface area
1.7513004890352E+14
Volume
9.5856992989314E+20
Height
9480336.6502644