81489341 (number)

81489341 is an odd 8-digits composite number following 81489340 and preceding 81489342. In scientific notation, it is written as 8.1489341 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 81435900 positive integers (up to 81489341) that are relatively prime to 81489341.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand three hundred forty-one

Notation

Scientific notation 8.1489341 × 10^7
Engineering notation 8.1489341 × 10^6

Prime Factorization of 81489341

Prime Factorization 1571 × 51871

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81489341
Product of the distinct prime numbers

The prime factorization of 81489341 is 1571 × 51871. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81489341)

Multiplication

n×y
n×2 162978682
n×3 244468023
n×4 325957364
n×5 407446705

Division

n÷y
n÷2 40744670.5
n÷3 27163113.666667
n÷3 20372335.25
n÷5 16297868.2

Exponentiation

ny
n2 6640512696614281
n3 5.4113100354923E+23
n4 4.4096408873895E+31
n5 3.5933872996003E+39

Nth Root

y√n
2√n 9027.1446759205
3√n 433.54442095732
4√n 95.011287097484
5√n 38.213794266279

Divisors of 81489341

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 -81489340
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 81489341 can be divided by 4 positive divisors. The sum of these divisors (counting 81489341) is 1, the average is 0.25.

Base conversion 81489341

Base System Value
2 Binary 100110110110110110110111101
3 Ternary 12200100002100202
4 Quaternary 10312312312331
5 Quinary 131330124331
6 Senary 12030333245
8 Octal 466666675
10 Decimal 81489341
12 Duodecimal 2335a225
16 Hexadecimal 4db6dbd
20 Vigesimal 1596371
36 Base36 1cilkt

Cryptographic Hash Functions

md5 cb9636adab19a98530c9f35e88e1bb2f
sha1 1c6b5841a1838ad4875250be15ca4ec2ad95ef60
sha256 b5ae675ac86afd3642363ea68dce8d91ff7e09f7c902e4ee6b33f1e8ac3cee18
sha512 e1071193af0f496c2d5f1a9586f6c9b9f61a1c2cd602673911c40b09b80fe22e09482465d8e021d671a678b3b4d671f1e0f939a18d06a85322ebef201f1208ed
ripemd-160 9cfb8f7cfbd46f952bfc340b62b78e13388ea3a9

81489341 as geometric shapes

Circle

Radius = n
Diameter 162978682
Circumference 512012630.06295
Area 2.0861785903753E+16

Sphere

Radius = n
Volume 2.2666842471732E+24
Surface area 8.3447143615013E+16
Circumference 512012630.06295

Square

Length = n
Perimeter 325957364
Area 6640512696614281
Diagonal 115243331.23105

Cube

Length = n
Surface area 39843076179685686
Volume 5.4113100354923E+23
Space diagonal 141143678.88731

Equilateral Triangle

Length = n
Perimeter 244468023
Area 2.8754263447105E+15
Altitude 70571839.443653

Triangular Pyramid

Length = n
Surface area 2.8754263447105E+15
Volume 6.3772900353324E+22
Height 38414443.743682