81293359 (number)

81293359 is an odd 8-digits composite number following 81293358 and preceding 81293360. In scientific notation, it is written as 8.1293359 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 69680016 positive integers (up to 81293359) that are relatively prime to 81293359.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-three thousand three hundred fifty-nine

Notation

Scientific notation 8.1293359 × 10^7
Engineering notation 8.1293359 × 10^6

Prime Factorization of 81293359

Prime Factorization 7 × 11613337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81293359
Product of the distinct prime numbers

The prime factorization of 81293359 is 7 × 11613337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81293359)

Multiplication

n×y
n×2 162586718
n×3 243880077
n×4 325173436
n×5 406466795

Division

n÷y
n÷2 40646679.5
n÷3 27097786.333333
n÷3 20323339.75
n÷5 16258671.8

Exponentiation

ny
n2 6608610217502881
n3 5.3723612290253E+23
n4 4.3673729006883E+31
n5 3.5503841310253E+39

Nth Root

y√n
2√n 9016.2829924532
3√n 433.19658360828
4√n 94.954109929235
5√n 38.195395710639

Divisors of 81293359

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81293358
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81293359 can be divided by 4 positive divisors. The sum of these divisors (counting 81293359) is 1, the average is 0.25.

Base conversion 81293359

Base System Value
2 Binary 100110110000111000000101111
3 Ternary 12122222010112011
4 Quaternary 10312013000233
5 Quinary 131302341414
6 Senary 12022222051
8 Octal 466070057
10 Decimal 81293359
12 Duodecimal 23284927
16 Hexadecimal 4d8702f
20 Vigesimal 1581d7j
36 Base36 1ceecv

Cryptographic Hash Functions

md5 a55a8c3918c8aa78347b7ed31455f03a
sha1 e6eb4273c9072dfd6996ab6f78419692a11d4733
sha256 f715aab07f82d5d14513b4c384a0e7b4dee3fb8ae1c7d246a8584bd3d5308c6a
sha512 9db77faa5779e97632bcb74b161b68589b085145ca1902d632b61ad4fb329848cd0ccb5146f1e7a6452f2c24330ab80f8870451011e20add30f439e9b171429f
ripemd-160 4066d6d998f48bfa2a28a1ff25a701da1b596ab5

81293359 as geometric shapes

Circle

Radius = n
Diameter 162586718
Circumference 510781238.84008
Area 2.0761561309745E+16

Sphere

Radius = n
Volume 2.2503694092715E+24
Surface area 8.3046245238982E+16
Circumference 510781238.84008

Square

Length = n
Perimeter 325173436
Area 6608610217502881
Diagonal 114966170.82866

Cube

Length = n
Surface area 39651661305017286
Volume 5.3723612290253E+23
Space diagonal 140804228.10594

Equilateral Triangle

Length = n
Perimeter 243880077
Area 2.8616121660334E+15
Altitude 70402114.052968

Triangular Pyramid

Length = n
Surface area 2.8616121660334E+15
Volume 6.3313884267125E+22
Height 38322056.942888