81095540 (number)

81095540 is an even 8-digits composite number following 81095539 and preceding 81095541. In scientific notation, it is written as 8.1095540 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 31646720 positive integers (up to 81095540) that are relatively prime to 81095540.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-five thousand five hundred forty

Notation

Scientific notation 8.1095540 × 10^7
Engineering notation 8.1095540 × 10^6

Prime Factorization of 81095540

Prime Factorization 2 × 2 × 5 × 41 × 98897

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40547770
Product of the distinct prime numbers

The prime factorization of 81095540 is 2 × 2 × 5 × 41 × 98897. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 23, 12, 719, 813, 5523, 1898, 9586, 58317, 966542, 234409, 9795545, 1566915, 23229418, 57515294, 551160642, 620942878, 7723067417, 9241422349

Basic calculations (n = 81095540)

Multiplication

n×y
n×2 162191080
n×3 243286620
n×4 324382160
n×5 405477700

Division

n÷y
n÷2 40547770
n÷3 27031846.666667
n÷3 20273885
n÷5 16219108

Exponentiation

ny
n2 6576486607891600
n3 5.3332373276974E+23
n4 4.3250176103778E+31
n5 3.5073963862309E+39

Nth Root

y√n
2√n 9005.306213561
3√n 432.84491847952
4√n 94.8962918852
5√n 38.176788679726

Divisors of 81095540

1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 98897, 197794, 395588, 494485, 988970, 1977940, 4054777, 8109554, 16219108, 20273885, 40547770, 81095540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81095539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81095540 can be divided by 24 positive divisors. The sum of these divisors (counting 81095540) is 1, the average is 0.041666666666667.

Base conversion 81095540

Base System Value
2 Binary 100110101010110101101110100
3 Ternary 12122121002011112
4 Quaternary 10311112231310
5 Quinary 131230024130
6 Senary 12014054152
8 Octal 465265564
10 Decimal 81095540
12 Duodecimal 231aa358
16 Hexadecimal 4d56b74
20 Vigesimal 156gih0
36 Base36 1ca5pw

Cryptographic Hash Functions

md5 fbd2b425f0957fe4e9f11e063f9debf4
sha1 7bcd60a7206ad639981f48852d733cc8496f44a8
sha256 51fb87e290c5e201d1737b86beaf50765d6a3802b87de397303271e1ed0778ec
sha512 68a01a24357a981c43ad94657740e4c2f0924c1ae47c4e4a0d61020fb06ace6a8677cd8bb700ec796d32db42c9d0a116e3ec48ae6c793907f90e08950af55b4a
ripemd-160 7f05eeae31d14220479837ee24ee3aaf27123cf2

81095540 as geometric shapes

Circle

Radius = n
Diameter 162191080
Circumference 509538305.40579
Area 2.0660642013784E+16

Sphere

Radius = n
Volume 2.233981227806E+24
Surface area 8.2642568055136E+16
Circumference 509538305.40579

Square

Length = n
Perimeter 324382160
Area 6576486607891600
Diagonal 114686412.51597

Cube

Length = n
Surface area 39458919647349600
Volume 5.3332373276974E+23
Space diagonal 140461595.54723

Equilateral Triangle

Length = n
Perimeter 243286620
Area 2.8477022350411E+15
Altitude 70230797.773617

Triangular Pyramid

Length = n
Surface area 2.8477022350411E+15
Volume 6.2852804668201E+22
Height 38228804.17199