81489241 (number)

81489241 is an odd 8-digits prime number following 81489240 and preceding 81489242. In scientific notation, it is written as 8.1489241 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 81489240 positive integers (up to 81489241) that are relatively prime to 81489241.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1489241 × 10^7
Engineering notation 8.1489241 × 10^6

Prime Factorization of 81489241

Prime Factorization 81489241

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81489241
Product of the distinct prime numbers

The prime factorization of 81489241 is 81489241. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81489241)

Multiplication

n×y
n×2 162978482
n×3 244467723
n×4 325956964
n×5 407446205

Division

n÷y
n÷2 40744620.5
n÷3 27163080.333333
n÷3 20372310.25
n÷5 16297848.2

Exponentiation

ny
n2 6640496398756081
n3 5.4112901139787E+23
n4 4.4096192421892E+31
n5 3.59336525145E+39

Nth Root

y√n
2√n 9027.1391370688
3√n 433.54424361527
4√n 95.011257949092
5√n 38.213784887429

Divisors of 81489241

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81489242
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40744621
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9027.1391924574
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999754569
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489241 can be divided by 2 positive divisors. The sum of these divisors (counting 81489241) is 81489242, the average is 40744621.

Base conversion 81489241

Base System Value
2 Binary 100110110110110110101011001
3 Ternary 12200100002020001
4 Quaternary 10312312311121
5 Quinary 131330123431
6 Senary 12030333001
8 Octal 466666531
10 Decimal 81489241
12 Duodecimal 2335a161
16 Hexadecimal 4db6d59
20 Vigesimal 1596321
36 Base36 1cili1

Cryptographic Hash Functions

md5 b2ada6a1c2df56b271df8097f6b75663
sha1 a358c00420c0c5e4880875ec77667a33abde32fc
sha256 eebd831bdbacc417903badc88de5b4a0bf93c08d41b3b53c999cb3ace85b40ec
sha512 b683e968e8439629a1a8607a35829b0df17b8a55c2f53909432d4bbdba25b01663a17801ca0124386e20f732d624d27078e60548707968a35ced24c73074f45d
ripemd-160 e640c964a44907048ae325ba385640f5a0d2ade5

81489241 as geometric shapes

Circle

Radius = n
Diameter 162978482
Circumference 512012001.74442
Area 2.0861734702522E+16

Sphere

Radius = n
Volume 2.2666759024691E+24
Surface area 8.3446938810086E+16
Circumference 512012001.74442

Square

Length = n
Perimeter 325956964
Area 6640496398756081
Diagonal 115243189.80969

Cube

Length = n
Surface area 39842978392536486
Volume 5.4112901139787E+23
Space diagonal 141143505.68222

Equilateral Triangle

Length = n
Perimeter 244467723
Area 2.8754192875309E+15
Altitude 70571752.841112

Triangular Pyramid

Length = n
Surface area 2.8754192875309E+15
Volume 6.3772665576034E+22
Height 38414396.60323