81013569 (number)

81013569 is an odd 8-digits composite number following 81013568 and preceding 81013570. In scientific notation, it is written as 8.1013569 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 42732288 positive integers (up to 81013569) that are relatively prime to 81013569.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand five hundred sixty-nine

Notation

Scientific notation 8.1013569 × 10^7
Engineering notation 8.1013569 × 10^6

Prime Factorization of 81013569

Prime Factorization 3 × 7 × 13 × 296753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81013569
Product of the distinct prime numbers

The prime factorization of 81013569 is 3 × 7 × 13 × 296753. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81013569)

Multiplication

n×y
n×2 162027138
n×3 243040707
n×4 324054276
n×5 405067845

Division

n÷y
n÷2 40506784.5
n÷3 27004523
n÷3 20253392.25
n÷5 16202713.8

Exponentiation

ny
n2 6563198362117761
n3 5.3170812337011E+23
n4 4.3075572740505E+31
n5 3.4897058844274E+39

Nth Root

y√n
2√n 9000.7538017657
3√n 432.69903009438
4√n 94.872302606007
5√n 38.169067772801

Divisors of 81013569

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 -81013568
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 81013569 can be divided by 16 positive divisors. The sum of these divisors (counting 81013569) is 1, the average is 0.0625.

Base conversion 81013569

Base System Value
2 Binary 100110101000010101101000001
3 Ternary 12122102220201120
4 Quaternary 10311002231001
5 Quinary 131214413234
6 Senary 12012222453
8 Octal 465025501
10 Decimal 81013569
12 Duodecimal 2316aa29
16 Hexadecimal 4d42b41
20 Vigesimal 1566di9
36 Base36 1c8egx

Cryptographic Hash Functions

md5 52823cb0443cab03c19632f1f082b60f
sha1 557cff4bfa0030a212a8a3f5d0c27d23382ea39e
sha256 62bf0476ef926c7a21959e2dc97a2416a5796acdf38ba6b5c4cf300998d162e2
sha512 cf12b2270b437df6e007ce4ec70c962cc626be2ea683cf85dac401940c4c74fd9ba4b7c20ce4ce827ffeafdc6b8e5f8caed99f7dd5098525377084f1d104b309
ripemd-160 dba43d033cf040aad7f62b8a1ddb4ed197d2d014

81013569 as geometric shapes

Circle

Radius = n
Diameter 162027138
Circumference 509023266.42298
Area 2.0618895758482E+16

Sphere

Radius = n
Volume 2.2272137789781E+24
Surface area 8.2475583033927E+16
Circumference 509023266.42298

Square

Length = n
Perimeter 324054276
Area 6563198362117761
Diagonal 114570488.01605

Cube

Length = n
Surface area 39379190172706566
Volume 5.3170812337011E+23
Space diagonal 140319617.61049

Equilateral Triangle

Length = n
Perimeter 243040707
Area 2.8419482558352E+15
Altitude 70159808.805243

Triangular Pyramid

Length = n
Surface area 2.8419482558352E+15
Volume 6.2662403274497E+22
Height 38190162.672016