81124411 is an odd 8-digits composite number following 81124410
and preceding 81124412 . In scientific notation, it is written as 8.1124411 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 80671024 positive integers (up to 81124411) that are relatively prime to 81124411.
81124411 has 4 divisors, whose sum is 81577800
The reverse of 81124411 is 11442118
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million one hundred twenty-four thousand four hundred eleven
Scientific notation
8.1124411 × 10^7
Engineering notation
8.1124411 × 10^6
Prime Factorization
179 × 453209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81124411
Product of the distinct prime numbers
The prime factorization of 81124411 is 179 × 453209.
Since it has a total of 2 prime factors.
8 , 7 , 39 , 31 , 837 , 446 , 4893 , 9972 , 62592 , 82591 , 16310 , 57592 , 7978026 , 6833002 , 19087202 , 80444288 , 582306865 , 24383523 , 2899948464 , 995760584
n×2
162248822
n×3
243373233
n×4
324497644
n×5
405622055
n÷2
40562205.5
n÷3
27041470.333333
n÷3
20281102.75
n÷5
16224882.2
n2
6581170060096921
n3
5.338935448162E+23
n4
4.3311799359916E+31
n5
3.5136442124234E+39
2 √n
9006.9090702638
3 √n
432.89627840612
4 √n
94.904736816788
5 √n
38.179506573066
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
-81124410
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 81124411 can be divided by 4 positive divisors.
The sum of these divisors (counting 81124411) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101011101110000111011
3
Ternary
12122122112202211
4
Quaternary
10311131300323
5
Quinary
131231440121
6
Senary
12014435551
8
Octal
465356073
10
Decimal
81124411
12
Duodecimal
23202bb7
16
Hexadecimal
4d5dc3b
20
Vigesimal
1570b0b
36
Base36
1carzv
md5
9230397d0c959c4fb0bf8bb5a8d13ea9
sha1
5da1f424ac1068aff4fb6a652d05bdfc56c2b431
sha256
566cd28e06d98acad2b7ccd8776f41d47741f6be709b263eca8738a1357929b6
sha512
f4a18dcb4d3d08a11e4049665e7ec4c5d572a5957d419e836da284f1e0078427d785035f8ee05efd3bb2c6c063a94553fd4d245d326f1427937295c3695eca98
ripemd-160
7aff3cb3850ab48d70329e4f4091582922f293b0
Diameter
162248822
Circumference
509719707.2488
Area
2.0675355512826E+16
Volume
2.2363680509248E+24
Surface area
8.2701422051302E+16
Circumference
509719707.2488
Perimeter
324497644
Area
6581170060096921
Diagonal
114727242.27573
Surface area
39487020360581526
Volume
5.338935448162E+23
Space diagonal
140511601.5861
Perimeter
243373233
Area
2.8497302293347E+15
Altitude
70255800.79305
Surface area
2.8497302293347E+15
Volume
6.2919957661876E+22
Height
38242414.09191