81043312 (number)

81043312 is an even 8-digits composite number following 81043311 and preceding 81043313. In scientific notation, it is written as 8.1043312 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors. There are 34732800 positive integers (up to 81043312) that are relatively prime to 81043312.

Interesting facts

Basic properties

Name

Name eighty-one million forty-three thousand three hundred twelve

Notation

Scientific notation 8.1043312 × 10^7
Engineering notation 8.1043312 × 10^6

Prime Factorization of 81043312

Prime Factorization 2 × 2 × 2 × 2 × 7 × 723601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10130414
Product of the distinct prime numbers

The prime factorization of 81043312 is 2 × 2 × 2 × 2 × 7 × 723601. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 4, 24, 15, 253, 50, 8594, 1941, 75838, 5824, 7042, 184275, 32273, 8131661, 55050962, 98501737, 787404255, 956821885, 8738023841, 8570101983

Basic calculations (n = 81043312)

Multiplication

n×y
n×2 162086624
n×3 243129936
n×4 324173248
n×5 405216560

Division

n÷y
n÷2 40521656
n÷3 27014437.333333
n÷3 20260828
n÷5 16208662.4

Exponentiation

ny
n2 6568018419929344
n3 5.3229396602808E+23
n4 4.3138865964531E+31
n5 3.4961165736897E+39

Nth Root

y√n
2√n 9002.4059006468
3√n 432.75197674989
4√n 94.881009167519
5√n 38.171870009303

Divisors of 81043312

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 723601, 1447202, 2894404, 5065207, 5788808, 10130414, 11577616, 20260828, 40521656, 81043312

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81043311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81043312 can be divided by 20 positive divisors. The sum of these divisors (counting 81043312) is 1, the average is 0.05.

Base conversion 81043312

Base System Value
2 Binary 100110101001001111101110000
3 Ternary 12122111102112011
4 Quaternary 10311021331300
5 Quinary 131221341222
6 Senary 12013012304
8 Octal 465117560
10 Decimal 81043312
12 Duodecimal 23184094
16 Hexadecimal 4d49f70
20 Vigesimal 156a85c
36 Base36 1c91f4

Cryptographic Hash Functions

md5 8c2660f33a6ce4874d7e7deec9916e77
sha1 29ac8908d33e0edfa145db96d05c0afa49e79146
sha256 8cb120e1fda4dde7af87640bceb138c81c9a3be45813a457831ac50427d55d8b
sha512 a2257ddb06a9e22421baab9449135b3090c9c87fd0ddb9c8d0cf9df13dcc8f0eebb154215fcf19fb081a3fc31d96b02d622c19fb30164631cae920f4438895d1
ripemd-160 56c728ae3cc5eb76b4e4e346902c46a2b11f68e8

81043312 as geometric shapes

Circle

Radius = n
Diameter 162086624
Circumference 509210147.20357
Area 2.0634038416692E+16

Sphere

Radius = n
Volume 2.2296677509653E+24
Surface area 8.253615366677E+16
Circumference 509210147.20357

Square

Length = n
Perimeter 324173248
Area 6568018419929344
Diagonal 114612550.97003

Cube

Length = n
Surface area 39408110519576064
Volume 5.3229396602808E+23
Space diagonal 140371133.99766

Equilateral Triangle

Length = n
Perimeter 243129936
Area 2.8440354020915E+15
Altitude 70185566.998828

Triangular Pyramid

Length = n
Surface area 2.8440354020915E+15
Volume 6.2731445493856E+22
Height 38204183.656678