81308927 (number)

81308927 is an odd 8-digits composite number following 81308926 and preceding 81308928. In scientific notation, it is written as 8.1308927 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 69580800 positive integers (up to 81308927) that are relatively prime to 81308927.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred eight thousand nine hundred twenty-seven

Notation

Scientific notation 8.1308927 × 10^7
Engineering notation 8.1308927 × 10^6

Prime Factorization of 81308927

Prime Factorization 7 × 641 × 18121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81308927
Product of the distinct prime numbers

The prime factorization of 81308927 is 7 × 641 × 18121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81308927)

Multiplication

n×y
n×2 162617854
n×3 243926781
n×4 325235708
n×5 406544635

Division

n÷y
n÷2 40654463.5
n÷3 27102975.666667
n÷3 20327231.75
n÷5 16261785.4

Exponentiation

ny
n2 6611141609891329
n3 5.3754483054532E+23
n4 4.3707193386037E+31
n5 3.5537849964001E+39

Nth Root

y√n
2√n 9017.1462780638
3√n 433.22423479669
4√n 94.958655624771
5√n 38.196858512481

Divisors of 81308927

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81308926
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81308927 can be divided by 8 positive divisors. The sum of these divisors (counting 81308927) is 1, the average is 0.125.

Base conversion 81308927

Base System Value
2 Binary 100110110001010110011111111
3 Ternary 12122222220212202
4 Quaternary 10312022303333
5 Quinary 131303341202
6 Senary 12022422115
8 Octal 466126377
10 Decimal 81308927
12 Duodecimal 2329193b
16 Hexadecimal 4d8acff
20 Vigesimal 1583c67
36 Base36 1ceqdb

Cryptographic Hash Functions

md5 95488e780f523054a605eab70f8b22bb
sha1 4ddd04db11096b590e89751b313392821375a8f3
sha256 ac22f33c6253780c4cf7da6f8059cb77096593c8bdcfcd8d9adb1097b7020773
sha512 0d4a736b5c3c6accdaed34cdd6ab142302260aa74a70bcb2bd4b4e8a9067764cb39952e49f624580492b242e0ec8541726ce650b29333c9c6abba89dbe262baa
ripemd-160 373903c24f647ef96e4543d991a790e2117ca3eb

81308927 as geometric shapes

Circle

Radius = n
Diameter 162617854
Circumference 510879055.46894
Area 2.0769513913476E+16

Sphere

Radius = n
Volume 2.2516625208218E+24
Surface area 8.3078055653906E+16
Circumference 510879055.46894

Square

Length = n
Perimeter 325235708
Area 6611141609891329
Diagonal 114988187.3054

Cube

Length = n
Surface area 39666849659347974
Volume 5.3754483054532E+23
Space diagonal 140831192.67291

Equilateral Triangle

Length = n
Perimeter 243926781
Area 2.8627082910911E+15
Altitude 70415596.336454

Triangular Pyramid

Length = n
Surface area 2.8627082910911E+15
Volume 6.3350265811728E+22
Height 38329395.768468