81344489 (number)

81344489 is an odd 8-digits composite number following 81344488 and preceding 81344490. In scientific notation, it is written as 8.1344489 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 81006720 positive integers (up to 81344489) that are relatively prime to 81344489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1344489 × 10^7
Engineering notation 8.1344489 × 10^6

Prime Factorization of 81344489

Prime Factorization 241 × 337529

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81344489
Product of the distinct prime numbers

The prime factorization of 81344489 is 241 × 337529. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81344489)

Multiplication

n×y
n×2 162688978
n×3 244033467
n×4 325377956
n×5 406722445

Division

n÷y
n÷2 40672244.5
n÷3 27114829.666667
n÷3 20336122.25
n÷5 16268897.8

Exponentiation

ny
n2 6616925890671121
n3 5.3825045532751E+23
n4 4.3783708242634E+31
n5 3.5615633735221E+39

Nth Root

y√n
2√n 9019.1179723962
3√n 433.28738520042
4√n 94.969036914124
5√n 38.200199152072

Divisors of 81344489

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 -81344488
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 81344489 can be divided by 4 positive divisors. The sum of these divisors (counting 81344489) is 1, the average is 0.25.

Base conversion 81344489

Base System Value
2 Binary 100110110010011011111101001
3 Ternary 12200001201122212
4 Quaternary 10312103133221
5 Quinary 131311010424
6 Senary 12023254505
8 Octal 466233751
10 Decimal 81344489
12 Duodecimal 232aa435
16 Hexadecimal 4d937e9
20 Vigesimal 1588149
36 Base36 1cfht5

Cryptographic Hash Functions

md5 8527b05ac921b3b19fd5ca41b71732a6
sha1 22540f4b3ec1b3ead030aafb2e6a04e6416fcc1f
sha256 7982c9e88f4d733117f97f10b3e35682c713ab702e9bf1eff77bd407055212bc
sha512 3e7d944efbbb14b8fe430b69d56c3fb76f90e861f00230caa43d907b6cf9a6852689cc2468bdde22d6a2bf85bf0026b61112ae1d37802649e95090272f553253
ripemd-160 f81427002555768d22e7ba7c8dabbac7f0eaba7a

81344489 as geometric shapes

Circle

Radius = n
Diameter 162688978
Circumference 511102498.10483
Area 2.078768576748E+16

Sphere

Radius = n
Volume 2.2546182349977E+24
Surface area 8.3150743069922E+16
Circumference 511102498.10483

Square

Length = n
Perimeter 325377956
Area 6616925890671121
Diagonal 115038479.56811

Cube

Length = n
Surface area 39701555344026726
Volume 5.3825045532751E+23
Space diagonal 140892787.86373

Equilateral Triangle

Length = n
Perimeter 244033467
Area 2.8652129581401E+15
Altitude 70446393.931864

Triangular Pyramid

Length = n
Surface area 2.8652129581401E+15
Volume 6.3433424489805E+22
Height 38346159.856036