81068051 is an odd 8-digits composite number following 81068050
and preceding 81068052 . In scientific notation, it is written as 8.1068051 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 81032400 positive integers (up to 81068051) that are relatively prime to 81068051.
81068051 has 4 divisors, whose sum is 81103704
The reverse of 81068051 is 15086018
Previous prime number is 2441
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million sixty-eight thousand fifty-one
Scientific notation
8.1068051 × 10^7
Engineering notation
8.1068051 × 10^6
Prime Factorization
2441 × 33211
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81068051
Product of the distinct prime numbers
The prime factorization of 81068051 is 2441 × 33211.
Since it has a total of 2 prime factors.
3 , 4 , 57 , 46 , 838 , 644 , 6803 , 7717 , 72795 , 57632 , 140067 , 177589 , 1371366 , 6561469 , 51613408 , 87835515 , 436398072 , 330467225 , 2012015982 , 4604211661
n×2
162136102
n×3
243204153
n×4
324272204
n×5
405340255
n÷2
40534025.5
n÷3
27022683.666667
n÷3
20267012.75
n÷5
16213610.2
n2
6572028892938601
n3
5.3278157346622E+23
n4
4.319156376962E+31
n5
3.5014558944453E+39
2 √n
9003.7798173878
3 √n
432.79600572538
4 √n
94.888249100654
5 √n
38.1742001673
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
-81068050
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 81068051 can be divided by 4 positive divisors.
The sum of these divisors (counting 81068051) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101010000000000010011
3
Ternary
12122112200110102
4
Quaternary
10311100000103
5
Quinary
131223134201
6
Senary
12013323015
8
Octal
465200023
10
Decimal
81068051
12
Duodecimal
2319646b
16
Hexadecimal
4d50013
20
Vigesimal
156da2b
36
Base36
1c9kib
md5
e30da05263f0c2f18b266d60f910ce7e
sha1
f38073a5922ddaedd3a1d327a4a8574619d971ae
sha256
91b22a581bc7998811fec997337167ce5e082b5bbb13d9b6e591f137de4ba5eb
sha512
bff376d57749e494c9cf636299b7689cd8cb699363ecf2a0d16a6d57330b76ce2453682b089625ebcdad2db2b6ecbcea7f266c824e5b5fc2e64fd3c06c4afbba
ripemd-160
dfabd8d13f2241d054dfc2e70791bbf05d33ed47
Diameter
162136102
Circumference
509365586.92489
Area
2.0646637689236E+16
Volume
2.231710236226E+24
Surface area
8.2586550756943E+16
Circumference
509365586.92489
Perimeter
324272204
Area
6572028892938601
Diagonal
114647537.19935
Surface area
39432173357631606
Volume
5.3278157346622E+23
Space diagonal
140413983.20258
Perimeter
243204153
Area
2.8457719878451E+15
Altitude
70206991.601292
Surface area
2.8457719878451E+15
Volume
6.2788910581534E+22
Height
38215845.733118