81008051 is an odd 8-digits prime number following 81008050
and preceding 81008052 . In scientific notation, it is written as 8.1008051 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 81008050 positive integers (up to 81008051) that are relatively prime to 81008051.
81008051 has 2 divisors, whose sum is 81008052
The reverse of 81008051 is 15080018
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million eight thousand fifty-one
Scientific notation
8.1008051 × 10^7
Engineering notation
8.1008051 × 10^6
Prime Factorization
81008051
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81008051
Product of the distinct prime numbers
The prime factorization of 81008051 is 81008051.
Since it has a total of 1 prime factors.
10 , 6 , 78 , 32 , 271 , 903 , 4491 , 2151 , 11238 , 4124 , 254945 , 405051 , 3634532 , 1609663 , 2490181 , 55576703 , 483003646 , 810109402 , 3259083522 , 9636142468
n×2
162016102
n×3
243024153
n×4
324032204
n×5
405040255
n÷2
40504025.5
n÷3
27002683.666667
n÷3
20252012.75
n÷5
16201610.2
n2
6562304326818601
n3
5.3159948358444E+23
n4
4.3063838077782E+31
n5
3.4885175912607E+39
2 √n
9000.447266664
3 √n
432.6892058658
4 √n
94.870687078064
5 √n
38.168547803968
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81008052
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40504026
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9000.4473222168
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753111
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81008051 can be divided by 2 positive divisors.
The sum of these divisors (counting 81008051) is 81008052, the average is 40504026.
Base
System
Value
2
Binary
100110101000001010110110011
3
Ternary
12122102122011012
4
Quaternary
10311001112303
5
Quinary
131214224201
6
Senary
12012141135
8
Octal
465012663
10
Decimal
81008051
12
Duodecimal
231677ab
16
Hexadecimal
4d415b3
20
Vigesimal
156602b
36
Base36
1c8a7n
md5
c6afd9c27aa8a1b7d8ccc9f3565d8b6e
sha1
42099158868d29d50580bee3bc8626d25af1ce5a
sha256
aae8ca950c50215f551ab75404080c6c7f2563de5d43ba8bf66c7edde7728743
sha512
4e05557696fe6d33d5bb35bdbd99142abd2d45e7a0a71cdf907db49c40a3a607d68b5027cf0b87fd40cd20326ff14c15851508b01c939b239359f1b71a1de5e6
ripemd-160
2e26fd22cd31f109ecafa7fb5fd07ed80dbc2f86
Diameter
162016102
Circumference
508988595.80645
Area
2.0616087063754E+16
Volume
2.226758709708E+24
Surface area
8.2464348255015E+16
Circumference
508988595.80645
Perimeter
324032204
Area
6562304326818601
Diagonal
114562684.38561
Surface area
39373825960911606
Volume
5.3159948358444E+23
Space diagonal
140310060.15413
Perimeter
243024153
Area
2.8415611271947E+15
Altitude
70155030.077065
Surface area
2.8415611271947E+15
Volume
6.2649599952971E+22
Height
38187561.46187