81466910 (number)

81466910 is an even 8-digits composite number following 81466909 and preceding 81466911. In scientific notation, it is written as 8.1466910 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 27931344 positive integers (up to 81466910) that are relatively prime to 81466910.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-six thousand nine hundred ten

Notation

Scientific notation 8.1466910 × 10^7
Engineering notation 8.1466910 × 10^6

Prime Factorization of 81466910

Prime Factorization 2 × 7 × 35 × 166259

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81466910
Product of the distinct prime numbers

The prime factorization of 81466910 is 2 × 7 × 35 × 166259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81466910)

Multiplication

n×y
n×2 162933820
n×3 244400730
n×4 325867640
n×5 407334550

Division

n÷y
n÷2 40733455
n÷3 27155636.666667
n÷3 20366727.5
n÷5 16293382

Exponentiation

ny
n2 6636857424948100
n3 5.4068426652108E+23
n4 4.4047876479089E+31
n5 3.588444388813E+39

Nth Root

y√n
2√n 9025.9021709744
3√n 433.50463772833
4√n 95.004748149629
5√n 38.211690265919

Divisors of 81466910

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 -81466909
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 81466910 can be divided by 16 positive divisors. The sum of these divisors (counting 81466910) is 1, the average is 0.0625.

Base conversion 81466910

Base System Value
2 Binary 100110110110001011000011110
3 Ternary 12200021221120222
4 Quaternary 10312301120132
5 Quinary 131323420120
6 Senary 12030041342
8 Octal 466613036
10 Decimal 81466910
12 Duodecimal 23349252
16 Hexadecimal 4db161e
20 Vigesimal 159375a
36 Base36 1ci49q

Cryptographic Hash Functions

md5 bdbf92424d4988102e45932ea48284d0
sha1 ffa0eebf67599a225231f42a8c64c5fed52d9e43
sha256 b1c022ca5bfb4dcfb1ac6e737c26d848d3b6fe0466bfba3c967cace76d1188d8
sha512 54ec7e5bef1550c1860ade4688572f1164155440601215574dfb261d133336ed0c26aee26e95b5a46b2de102083b0c1d056cbe65110fa9114ca20ba31a8dcedb
ripemd-160 38a06a1339f54110b83af5ffffdc42b0d3b27f27

81466910 as geometric shapes

Circle

Radius = n
Diameter 162933820
Circumference 511871691.93332
Area 2.085030252914E+16

Sphere

Radius = n
Volume 2.2648129594856E+24
Surface area 8.3401210116559E+16
Circumference 511871691.93332

Square

Length = n
Perimeter 325867640
Area 6636857424948100
Diagonal 115211609.00663

Cube

Length = n
Surface area 39821144549688600
Volume 5.4068426652108E+23
Space diagonal 141104827.25564

Equilateral Triangle

Length = n
Perimeter 244400730
Area 2.8738435656502E+15
Altitude 70552413.627821

Triangular Pyramid

Length = n
Surface area 2.8738435656502E+15
Volume 6.3720251889655E+22
Height 38403869.668876