81124611 is an odd 8-digits composite number following 81124610
and preceding 81124612 . In scientific notation, it is written as 8.1124611 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 51407136 positive integers (up to 81124611) that are relatively prime to 81124611.
81124611 has 16 divisors, whose sum is 113577216
The reverse of 81124611 is 11642118
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one hundred twenty-four thousand six hundred eleven
Scientific notation
8.1124611 × 10^7
Engineering notation
8.1124611 × 10^6
Prime Factorization
3 × 163 × 23 × 7213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81124611
Product of the distinct prime numbers
The prime factorization of 81124611 is 3 × 163 × 23 × 7213.
Since it has a total of 4 prime factors.
5 , 3 , 89 , 45 , 522 , 150 , 1420 , 1139 , 55792 , 87793 , 252994 , 194054 , 8531047 , 2228938 , 43575970 , 80847565 , 946155852 , 177710155 , 5450849767 , 7741405594
n×2
162249222
n×3
243373833
n×4
324498444
n×5
405623055
n÷2
40562305.5
n÷3
27041537
n÷3
20281152.75
n÷5
16224922.2
n2
6581202509901321
n3
5.3389749352797E+23
n4
4.3312226476331E+31
n5
3.5136875244363E+39
2 √n
9006.9201728449
3 √n
432.89663415265
4 √n
94.904795310063
5 √n
38.179525398211
1 , 3 , 23 , 69 , 163 , 489 , 3749 , 7213 , 11247 , 21639 , 165899 , 497697 , 1175719 , 3527157 , 27041537 , 81124611
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
-81124610
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 81124611 can be divided by 16 positive divisors.
The sum of these divisors (counting 81124611) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011101110100000011
3
Ternary
12122122120001020
4
Quaternary
10311131310003
5
Quinary
131231441421
6
Senary
12014440523
8
Octal
465356403
10
Decimal
81124611
12
Duodecimal
23203143
16
Hexadecimal
4d5dd03
20
Vigesimal
1570bab
36
Base36
1cas5f
md5
448b3123c5f84829598062a9e45f9413
sha1
76f843f73beade7eafe911ede32a0a3d3927db83
sha256
af60b2e16f3b601408d00dcf460cb0b07e3ed6129cf4f7a39ea701b2c80ffd6c
sha512
07a1448510b2e1612f065bcb14cd393c6818a4edc4a6231619401a0c80cdc0fcf247551a5b7d99fe3e942b324eb71065c313f4db953e8df7701339760cfdaa33
ripemd-160
3e99bcf9d3f93cc6c68954b6a1f6de626c1b128e
Diameter
162249222
Circumference
509720963.88586
Area
2.0675457456893E+16
Volume
2.23638459125E+24
Surface area
8.2701829827571E+16
Circumference
509720963.88586
Perimeter
324498444
Area
6581202509901321
Diagonal
114727525.11844
Surface area
39487215059407926
Volume
5.3389749352797E+23
Space diagonal
140511947.99626
Perimeter
243373833
Area
2.8497442805122E+15
Altitude
70255973.998131
Surface area
2.8497442805122E+15
Volume
6.2920423022021E+22
Height
38242508.372814