81013560 (number)

81013560 is an even 8-digits composite number following 81013559 and preceding 81013561. In scientific notation, it is written as 8.1013560 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors. There are 21603584 positive integers (up to 81013560) that are relatively prime to 81013560.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand five hundred sixty

Notation

Scientific notation 8.1013560 × 10^7
Engineering notation 8.1013560 × 10^6

Prime Factorization of 81013560

Prime Factorization 2 × 2 × 2 × 3 × 5 × 675113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20253390
Product of the distinct prime numbers

The prime factorization of 81013560 is 2 × 2 × 2 × 3 × 5 × 675113. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 10, 43, 85, 471, 374, 7610, 5662, 16499, 29426, 248855, 9739, 4085295, 5275055, 23919947, 13023755, 790145466, 191486546, 4305445393, 2713167712

Basic calculations (n = 81013560)

Multiplication

n×y
n×2 162027120
n×3 243040680
n×4 324054240
n×5 405067800

Division

n÷y
n÷2 40506780
n÷3 27004520
n÷3 20253390
n÷5 16202712

Exponentiation

ny
n2 6563196903873600
n3 5.3170794616378E+23
n4 4.3075553599016E+31
n5 3.4897039460271E+39

Nth Root

y√n
2√n 9000.7533018076
3√n 432.69901407117
4√n 94.872299971106
5√n 38.169066924741

Divisors of 81013560

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 675113, 1350226, 2025339, 2700452, 3375565, 4050678, 5400904, 6751130, 8101356, 10126695, 13502260, 16202712, 20253390, 27004520, 40506780, 81013560

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81013559
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81013560 can be divided by 32 positive divisors. The sum of these divisors (counting 81013560) is 1, the average is 0.03125.

Base conversion 81013560

Base System Value
2 Binary 100110101000010101100111000
3 Ternary 12122102220201020
4 Quaternary 10311002230320
5 Quinary 131214413220
6 Senary 12012222440
8 Octal 465025470
10 Decimal 81013560
12 Duodecimal 2316aa20
16 Hexadecimal 4d42b38
20 Vigesimal 1566di0
36 Base36 1c8ego

Cryptographic Hash Functions

md5 f6d56f2c6483faac4db39ea0bcb89b1c
sha1 ac48251d0b1a6f41d1b38bbfc961171e8b22f113
sha256 7f3b5d015c012f54c272db4d77a25e27379620c4336e3fdea5f9d6eb8bf579ff
sha512 d13d7399d4fab82ac2957b9daa5b7e96656cc75e6c87b6d33886fff0285f86b91c37fb874cbe7c98a2d0a7016f9419d795ab104c37b88049a6844c00cb8459b9
ripemd-160 86abbce81407939635aec6c2052ffdd0992e25da

81013560 as geometric shapes

Circle

Radius = n
Diameter 162027120
Circumference 509023209.87431
Area 2.0618891177273E+16

Sphere

Radius = n
Volume 2.2272130366979E+24
Surface area 8.247556470909E+16
Circumference 509023209.87431

Square

Length = n
Perimeter 324054240
Area 6563196903873600
Diagonal 114570475.28813

Cube

Length = n
Surface area 39379181423241600
Volume 5.3170794616378E+23
Space diagonal 140319602.02203

Equilateral Triangle

Length = n
Perimeter 243040680
Area 2.841947624397E+15
Altitude 70159801.011015

Triangular Pyramid

Length = n
Surface area 2.841947624397E+15
Volume 6.266238239053E+22
Height 38190158.429375