81008023 is an odd 8-digits composite number following 81008022
and preceding 81008024 . In scientific notation, it is written as 8.1008023 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 80943408 positive integers (up to 81008023) that are relatively prime to 81008023.
81008023 has 4 divisors, whose sum is 81072640
The reverse of 81008023 is 32080018
Previous prime number is 1279
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million eight thousand twenty-three
Scientific notation
8.1008023 × 10^7
Engineering notation
8.1008023 × 10^6
Prime Factorization
1279 × 63337
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81008023
Product of the distinct prime numbers
The prime factorization of 81008023 is 1279 × 63337.
Since it has a total of 2 prime factors.
1 , 1 , 28 , 91 , 765 , 821 , 67 , 7354 , 4522 , 62609 , 284782 , 693995 , 116881 , 1732735 , 45247842 , 113753 , 384744547 , 453643086 , 2424279207 , 5918445531
n×2
162016046
n×3
243024069
n×4
324032092
n×5
405040115
n÷2
40504011.5
n÷3
27002674.333333
n÷3
20252005.75
n÷5
16201604.6
n2
6562299790368529
n3
5.3159893235107E+23
n4
4.3063778538671E+31
n5
3.4885115623276E+39
2 √n
9000.4457111856
3 √n
432.68915601356
4 √n
94.870678880177
5 √n
38.168545165417
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
-81008022
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 81008023 can be divided by 4 positive divisors.
The sum of these divisors (counting 81008023) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101000001010110010111
3
Ternary
12122102122010011
4
Quaternary
10311001112113
5
Quinary
131214224043
6
Senary
12012141051
8
Octal
465012627
10
Decimal
81008023
12
Duodecimal
23167787
16
Hexadecimal
4d41597
20
Vigesimal
1566013
36
Base36
1c8a6v
md5
ee93670f623eae9e6b2e912ed773291b
sha1
162990338d51ae555b2ebd950011ae4298fb1537
sha256
3d3031b027ae26e6f66d5ad86a958b7318a1d10f8565e11af42fb958ba255c0e
sha512
c0de373ee3cbb8e35817a3ba4c2cfe5e58addb8de7422ff797de9c8f8c12b293236d539d64750c461cd749a0e729ef54b187e9403b40bcd3aadd9c0493a25c7e
ripemd-160
06a97a4721e3555be4e10a25e3509641f3f010a4
Diameter
162016046
Circumference
508988419.87727
Area
2.0616072812076E+16
Volume
2.2267564007071E+24
Surface area
8.2464291248302E+16
Circumference
508988419.87727
Perimeter
324032092
Area
6562299790368529
Diagonal
114562644.78763
Surface area
39373798742211174
Volume
5.3159893235107E+23
Space diagonal
140310011.65671
Perimeter
243024069
Area
2.8415591628542E+15
Altitude
70155005.828354
Surface area
2.8415591628542E+15
Volume
6.2649534989495E+22
Height
38187548.262544