81092271 (number)

81092271 is an odd 8-digits composite number following 81092270 and preceding 81092272. In scientific notation, it is written as 8.1092271 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 48553344 positive integers (up to 81092271) that are relatively prime to 81092271.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-two thousand two hundred seventy-one

Notation

Scientific notation 8.1092271 × 10^7
Engineering notation 8.1092271 × 10^6

Prime Factorization of 81092271

Prime Factorization 3 × 13 × 37 × 56197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81092271
Product of the distinct prime numbers

The prime factorization of 81092271 is 3 × 13 × 37 × 56197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81092271)

Multiplication

n×y
n×2 162184542
n×3 243276813
n×4 324369084
n×5 405461355

Division

n÷y
n÷2 40546135.5
n÷3 27030757
n÷3 20273067.75
n÷5 16218454.2

Exponentiation

ny
n2 6575956415937441
n3 5.3325923976539E+23
n4 4.3243202784309E+31
n5 3.5066895190931E+39

Nth Root

y√n
2√n 9005.1247076318
3√n 432.83910233948
4√n 94.895335542016
5√n 38.176480889841

Divisors of 81092271

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81092270
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81092271 can be divided by 16 positive divisors. The sum of these divisors (counting 81092271) is 1, the average is 0.0625.

Base conversion 81092271

Base System Value
2 Binary 100110101010101111010101111
3 Ternary 12122120220200110
4 Quaternary 10311111322233
5 Quinary 131224423041
6 Senary 12014031103
8 Octal 465257257
10 Decimal 81092271
12 Duodecimal 231a8493
16 Hexadecimal 4d55eaf
20 Vigesimal 156gadb
36 Base36 1ca373

Cryptographic Hash Functions

md5 dc852931f58df655193017cc3395cdc2
sha1 486d97e4265807325e63e155530bccdd7e585565
sha256 fceae15c855cc4a2586e176b497993058d69f82965d6e90abdd1696e12b59023
sha512 4accdc62a9b6c7856f81c60e09155897da0afd96316e278876b6bc10996953e4e0c7c986e5730835626e56146bcf53f0c9303e84b7b9ea86ded928b87c1974d2
ripemd-160 bfa22c3f52673f1c03c94600f71c70ab8ffa39c7

81092271 as geometric shapes

Circle

Radius = n
Diameter 162184542
Circumference 509517765.67303
Area 2.0658976366636E+16

Sphere

Radius = n
Volume 2.2337110801411E+24
Surface area 8.2635905466543E+16
Circumference 509517765.67303

Square

Length = n
Perimeter 324369084
Area 6575956415937441
Diagonal 114681789.45183

Cube

Length = n
Surface area 39455738495624646
Volume 5.3325923976539E+23
Space diagonal 140455933.47314

Equilateral Triangle

Length = n
Perimeter 243276813
Area 2.8474726551905E+15
Altitude 70227966.736572

Triangular Pyramid

Length = n
Surface area 2.8474726551905E+15
Volume 6.2845204094748E+22
Height 38227263.150611