81955061 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred fifty-five thousand sixty-one

Notation

Scientific notation 8.1955061 × 10^7
Engineering notation 8.1955061 × 10^6

Prime Factorization of 81955061

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.

Most popular turbo-numbers

Basic calculations (n = 81955061)

Multiplication

n×y
n×2 163910122
n×3 245865183
n×4 327820244
n×5 409775305

Division

n÷y
n÷2 40977530.5
n÷3 27318353.666667
n÷3 20488765.25
n÷5 16391012.2

Exponentiation

ny
n2 6716632023513721
n3 5.5046198720162E+23
n4 4.511314573929E+31
n5 3.6972506109654E+39

Nth Root

y√n
2√n 9052.9034569027
3√n 434.36876958094
4√n 95.146746959119
5√n 38.257373911147

Divisors of 81955061

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 conversion 81955061

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

Cryptographic Hash Functions

md5 1ae0478ce1a0df4d04ff5b7e535db66f
sha1 a45bfc0dbbd351c05480101e7e9bad50862dff08
sha256 b9702407aac45521277ed4b5ba81691f3156474d0f8c78c0a96aede7b102b676
sha512 67b4e2a8625c948d7bcf57894a9c6da4e9e7004c1d96bb18b508c0b5402174af0457db677dc3e4774c83f9130a3fa57a469b0e3c666d7ce481c8f5e7eb103879
ripemd-160 30ec55d0d1b23531e14b8f11572032b8017fd7ea

81955061 as geometric shapes

Circle

Radius = n
Diameter 163910122
Circumference 514938835.12421
Area 2.1100921821937E+16

Sphere

Radius = n
Volume 2.3057697800974E+24
Surface area 8.4403687287747E+16
Circumference 514938835.12421

Square

Length = n
Perimeter 327820244
Area 6716632023513721
Diagonal 115901958.77131

Cube

Length = n
Surface area 40299792141082326
Volume 5.5046198720162E+23
Space diagonal 141950329.58941

Equilateral Triangle

Length = n
Perimeter 245865183
Area 2.9083869801175E+15
Altitude 70975164.794703

Triangular Pyramid

Length = n
Surface area 2.9083869801175E+15
Volume 6.4872567322615E+22
Height 38633986.257105