81955061 is an odd 8-digits prime number following 81955060
and preceding 81955062 . In scientific notation, it is written as 8.1955061 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 81955060 positive integers (up to 81955061) that are relatively prime to 81955061.
81955061 has 2 divisors, whose sum is 81955062
The reverse of 81955061 is 16055918
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million nine hundred fifty-five thousand sixty-one
Scientific notation
8.1955061 × 10^7
Engineering notation
8.1955061 × 10^6
Prime Factorization
81955061
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81955061
Product of the distinct prime numbers
The prime factorization of 81955061 is 81955061.
Since it has a total of 1 prime factors.
2 , 7 , 37 , 11 , 597 , 535 , 6609 , 9276 , 97646 , 80483 , 371229 , 659836 , 7186954 , 3760910 , 7584146 , 33052088 , 902080792 , 343447676 , 5937676692 , 9518720796
n×2
163910122
n×3
245865183
n×4
327820244
n×5
409775305
n÷2
40977530.5
n÷3
27318353.666667
n÷3
20488765.25
n÷5
16391012.2
n2
6716632023513721
n3
5.5046198720162E+23
n4
4.511314573929E+31
n5
3.6972506109654E+39
2 √n
9052.9034569027
3 √n
434.36876958094
4 √n
95.146746959119
5 √n
38.257373911147
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81955062
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40977531
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9052.9035121336
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999755964
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81955061 can be divided by 2 positive divisors.
The sum of these divisors (counting 81955061) is 81955062, the average is 40977531.
Base
System
Value
2
Binary
100111000101000100011110101
3
Ternary
12201012202012122
4
Quaternary
10320220203311
5
Quinary
131440030221
6
Senary
12044325325
8
Octal
470504365
10
Decimal
81955061
12
Duodecimal
23543845
16
Hexadecimal
4e288f5
20
Vigesimal
15c47d1
36
Base36
1cskxh
md5
1ae0478ce1a0df4d04ff5b7e535db66f
sha1
a45bfc0dbbd351c05480101e7e9bad50862dff08
sha256
b9702407aac45521277ed4b5ba81691f3156474d0f8c78c0a96aede7b102b676
sha512
67b4e2a8625c948d7bcf57894a9c6da4e9e7004c1d96bb18b508c0b5402174af0457db677dc3e4774c83f9130a3fa57a469b0e3c666d7ce481c8f5e7eb103879
ripemd-160
30ec55d0d1b23531e14b8f11572032b8017fd7ea
Diameter
163910122
Circumference
514938835.12421
Area
2.1100921821937E+16
Volume
2.3057697800974E+24
Surface area
8.4403687287747E+16
Circumference
514938835.12421
Perimeter
327820244
Area
6716632023513721
Diagonal
115901958.77131
Surface area
40299792141082326
Volume
5.5046198720162E+23
Space diagonal
141950329.58941
Perimeter
245865183
Area
2.9083869801175E+15
Altitude
70975164.794703
Surface area
2.9083869801175E+15
Volume
6.4872567322615E+22
Height
38633986.257105