81365514 (number)

81365514 is an even 8-digits composite number following 81365513 and preceding 81365515. In scientific notation, it is written as 8.1365514 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 26139840 positive integers (up to 81365514) that are relatively prime to 81365514.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-five thousand five hundred fourteen

Notation

Scientific notation 8.1365514 × 10^7
Engineering notation 8.1365514 × 10^6

Prime Factorization of 81365514

Prime Factorization 2 × 3 × 46283 × 293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81365514
Product of the distinct prime numbers

The prime factorization of 81365514 is 2 × 3 × 46283 × 293. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 54, 100, 656, 392, 1610, 9662, 87550, 94126, 383684, 829972, 6428051, 5832214, 22438548, 55496458, 944608283, 56556900, 19609667, 7514003396

Basic calculations (n = 81365514)

Multiplication

n×y
n×2 162731028
n×3 244096542
n×4 325462056
n×5 406827570

Division

n÷y
n÷2 40682757
n÷3 27121838
n÷3 20341378.5
n÷5 16273102.8

Exponentiation

ny
n2 6620346868484196
n3 5.3866792581251E+23
n4 4.3828992659049E+31
n5 3.5661685158057E+39

Nth Root

y√n
2√n 9020.2834766985
3√n 433.32471238602
4√n 94.975172949032
5√n 38.202173658701

Divisors of 81365514

1, 2, 3, 6, 293, 586, 879, 1758, 46283, 92566, 138849, 277698, 13560919, 27121838, 40682757, 81365514

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 -81365513
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 81365514 can be divided by 16 positive divisors. The sum of these divisors (counting 81365514) is 1, the average is 0.0625.

Base conversion 81365514

Base System Value
2 Binary 100110110011000101000001010
3 Ternary 12200002210111120
4 Quaternary 10312120220022
5 Quinary 131312144024
6 Senary 12023540110
8 Octal 466305012
10 Decimal 81365514
12 Duodecimal 232ba636
16 Hexadecimal 4d98a0a
20 Vigesimal 158adfe
36 Base36 1cfy16

Cryptographic Hash Functions

md5 0911cb72a11ca1da24c40b97dc9ab9a1
sha1 93ea996f8d8f2a0ce53309ea83887052f2bdbe62
sha256 4bb93ee9caa68488bed21f735c6245a881ff955b2ddc9f8e633ddc797c855146
sha512 d2d7c0f100c49068527b8888eb5d9418738418b665e7ed5733a8caef0c3ffac81bb3dbe337f3c67855e9ff97a0fee732ae84dc893175001b25c0a039bcc49dcb
ripemd-160 974a5eed819aa7424b5acad81292cae7d4447fb2

81365514 as geometric shapes

Circle

Radius = n
Diameter 162731028
Circumference 511234602.07591
Area 2.0798433086246E+16

Sphere

Radius = n
Volume 2.256366931276E+24
Surface area 8.3193732344985E+16
Circumference 511234602.07591

Square

Length = n
Perimeter 325462056
Area 6620346868484196
Diagonal 115068213.40826

Cube

Length = n
Surface area 39722081210905176
Volume 5.3866792581251E+23
Space diagonal 140929204.23196

Equilateral Triangle

Length = n
Perimeter 244096542
Area 2.866694284986E+15
Altitude 70464602.115978

Triangular Pyramid

Length = n
Surface area 2.866694284986E+15
Volume 6.3482623858286E+22
Height 38356071.136086