81344982 (number)

81344982 is an even 8-digits composite number following 81344981 and preceding 81344983. In scientific notation, it is written as 8.1344982 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 27095712 positive integers (up to 81344982) that are relatively prime to 81344982.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1344982 × 10^7
Engineering notation 8.1344982 × 10^6

Prime Factorization of 81344982

Prime Factorization 2 × 3 × 7933 × 1709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81344982
Product of the distinct prime numbers

The prime factorization of 81344982 is 2 × 3 × 7933 × 1709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81344982)

Multiplication

n×y
n×2 162689964
n×3 244034946
n×4 325379928
n×5 406724910

Division

n÷y
n÷2 40672491
n÷3 27114994
n÷3 20336245.5
n÷5 16268996.4

Exponentiation

ny
n2 6617006096580324
n3 5.3826024182022E+23
n4 4.3784769682181E+31
n5 3.5616713016712E+39

Nth Root

y√n
2√n 9019.145303187
3√n 433.2882605322
4√n 94.969180807181
5√n 38.200245455523

Divisors of 81344982

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 -81344981
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 81344982 can be divided by 16 positive divisors. The sum of these divisors (counting 81344982) is 1, the average is 0.0625.

Base conversion 81344982

Base System Value
2 Binary 100110110010011100111010110
3 Ternary 12200001202100010
4 Quaternary 10312103213112
5 Quinary 131311014412
6 Senary 12023301050
8 Octal 466234726
10 Decimal 81344982
12 Duodecimal 232aa786
16 Hexadecimal 4d939d6
20 Vigesimal 1588292
36 Base36 1cfi6u

Cryptographic Hash Functions

md5 19cdc1dc13c494326901cf8a7f657511
sha1 0e06e89e94337da6ea6cb10715584054d5ba0953
sha256 b21b238aca05f204fcd684f7e2f21d1c423527accf8baea2fd7c42e9551ad90a
sha512 460cf004ffeecaf0a1630ab69c67858fc7f8c73e0058376b4de86f6e6f291e0b8a9bc01bc90ed61e19d53a05b8dcc9a449f9252288eed6932ef2a11c14efec13
ripemd-160 6b899d1ebe7c1a3910caf10057ac8d75641aa941

81344982 as geometric shapes

Circle

Radius = n
Diameter 162689964
Circumference 511105595.71519
Area 2.0787937741776E+16

Sphere

Radius = n
Volume 2.2546592285625E+24
Surface area 8.3151750967102E+16
Circumference 511105595.71519

Square

Length = n
Perimeter 325379928
Area 6617006096580324
Diagonal 115039176.7754

Cube

Length = n
Surface area 39702036579481944
Volume 5.3826024182022E+23
Space diagonal 140893641.76478

Equilateral Triangle

Length = n
Perimeter 244034946
Area 2.8652476883175E+15
Altitude 70446820.882388

Triangular Pyramid

Length = n
Surface area 2.8652476883175E+15
Volume 6.3434577839031E+22
Height 38346392.258465