81348085 (number)

81348085 is an odd 8-digits composite number following 81348084 and preceding 81348086. In scientific notation, it is written as 8.1348085 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 51488640 positive integers (up to 81348085) that are relatively prime to 81348085.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-eight thousand eighty-five

Notation

Scientific notation 8.1348085 × 10^7
Engineering notation 8.1348085 × 10^6

Prime Factorization of 81348085

Prime Factorization 35 × 7 × 13 × 25541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81348085
Product of the distinct prime numbers

The prime factorization of 81348085 is 35 × 7 × 13 × 25541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81348085)

Multiplication

n×y
n×2 162696170
n×3 244044255
n×4 325392340
n×5 406740425

Division

n÷y
n÷2 40674042.5
n÷3 27116028.333333
n÷3 20337021.25
n÷5 16269617

Exponentiation

ny
n2 6617510933167225
n3 5.3832184187972E+23
n4 4.3791450950588E+31
n5 3.5623506742017E+39

Nth Root

y√n
2√n 9019.3173244986
3√n 433.29376989223
4√n 94.970086471997
5√n 38.200536889733

Divisors of 81348085

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 -81348084
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 81348085 can be divided by 16 positive divisors. The sum of these divisors (counting 81348085) is 1, the average is 0.0625.

Base conversion 81348085

Base System Value
2 Binary 100110110010100010111110101
3 Ternary 12200001220121001
4 Quaternary 10312110113311
5 Quinary 131311114320
6 Senary 12023323301
8 Octal 466242765
10 Decimal 81348085
12 Duodecimal 232b0531
16 Hexadecimal 4d945f5
20 Vigesimal 1588a45
36 Base36 1cfkl1

Cryptographic Hash Functions

md5 3422c4db1faaa5a8c22f470bd2d0d32d
sha1 21aadd1db3adcf1696d491f8343cb06ede945b5b
sha256 c3cbd5f2dac877af40c10a383e386f675b1e920589cc317ce4a9a3bcea97f93e
sha512 dd673b7331d442155733614cdeac59343487a47427edb075201fdf1f38175fa2bd8c5cbe3ec3563f545d36ab2e4fbf190a20028332f504cc2536f7ca2151179b
ripemd-160 11b6c389e8390016b9b45597ed4edbdf796c8e2b

81348085 as geometric shapes

Circle

Radius = n
Diameter 162696170
Circumference 511125092.4392
Area 2.0789523732688E+16

Sphere

Radius = n
Volume 2.2549172582883E+24
Surface area 8.3158094930753E+16
Circumference 511125092.4392

Square

Length = n
Perimeter 325392340
Area 6617510933167225
Diagonal 115043565.08008

Cube

Length = n
Surface area 39705065599003350
Volume 5.3832184187972E+23
Space diagonal 140899016.31843

Equilateral Triangle

Length = n
Perimeter 244044255
Area 2.865466288972E+15
Altitude 70449508.159216

Triangular Pyramid

Length = n
Surface area 2.865466288972E+15
Volume 6.3441837475663E+22
Height 38347855.026693