81274064 (number)

81274064 is an even 8-digits composite number following 81274063 and preceding 81274065. In scientific notation, it is written as 8.1274064 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 39325920 positive integers (up to 81274064) that are relatively prime to 81274064.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-four thousand sixty-four

Notation

Scientific notation 8.1274064 × 10^7
Engineering notation 8.1274064 × 10^6

Prime Factorization of 81274064

Prime Factorization 2 × 2 × 2 × 2 × 31 × 163859

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10159258
Product of the distinct prime numbers

The prime factorization of 81274064 is 2 × 2 × 2 × 2 × 31 × 163859. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81274064)

Multiplication

n×y
n×2 162548128
n×3 243822192
n×4 325096256
n×5 406370320

Division

n÷y
n÷2 40637032
n÷3 27091354.666667
n÷3 20318516
n÷5 16254812.8

Exponentiation

ny
n2 6605473479076096
n3 5.3685367428873E+23
n4 4.3632279882778E+31
n5 3.5461727076588E+39

Nth Root

y√n
2√n 9015.2129203918
3√n 433.16230778891
4√n 94.948475081972
5√n 38.193582401044

Divisors of 81274064

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81274063
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81274064 can be divided by 20 positive divisors. The sum of these divisors (counting 81274064) is 1, the average is 0.05.

Base conversion 81274064

Base System Value
2 Binary 100110110000010010011010000
3 Ternary 12122221011001112
4 Quaternary 10312002103100
5 Quinary 131301232224
6 Senary 12021552452
8 Octal 466022320
10 Decimal 81274064
12 Duodecimal 23275728
16 Hexadecimal 4d824d0
20 Vigesimal 157j534
36 Base36 1cdzgw

Cryptographic Hash Functions

md5 5bc6120a03f1ea7597794921e170e0ef
sha1 5ce2c66f5f558fde45975962d95938f6d954cf7b
sha256 f580fc004dabb48913a35fd44b3c8a21c45748b53a2e583cedce2720a8428799
sha512 ea40fe1ac0d58669811dabb8422fe3c1d6033972806a895c9166c56e879f042d5112126f030f274e03676d688eb43ad7e8caf162edefc3bdde0216b20be81699
ripemd-160 4a082e41a7255723f12c8d369677a6121bf81f15

81274064 as geometric shapes

Circle

Radius = n
Diameter 162548128
Circumference 510660004.77957
Area 2.0751706955348E+16

Sphere

Radius = n
Volume 2.2487674122642E+24
Surface area 8.3006827821391E+16
Circumference 510660004.77957

Square

Length = n
Perimeter 325096256
Area 6605473479076096
Diagonal 114938883.57798

Cube

Length = n
Surface area 39632840874456576
Volume 5.3685367428873E+23
Space diagonal 140770808.1856

Equilateral Triangle

Length = n
Perimeter 243822192
Area 2.8602539184521E+15
Altitude 70385404.092802

Triangular Pyramid

Length = n
Surface area 2.8602539184521E+15
Volume 6.3268812265746E+22
Height 38312961.19266