81528064 (number)

81528064 is an even 8-digits composite number following 81528063 and preceding 81528065. In scientific notation, it is written as 8.1528064 × 10^7. The sum of its digits is 34. It has a total of 10 prime factors and 36 positive divisors. There are 40498688 positive integers (up to 81528064) that are relatively prime to 81528064.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred twenty-eight thousand sixty-four

Notation

Scientific notation 8.1528064 × 10^7
Engineering notation 8.1528064 × 10^6

Prime Factorization of 81528064

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1907 × 167

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 636938
Product of the distinct prime numbers

The prime factorization of 81528064 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1907 × 167. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81528064)

Multiplication

n×y
n×2 163056128
n×3 244584192
n×4 326112256
n×5 407640320

Division

n÷y
n÷2 40764032
n÷3 27176021.333333
n÷3 20382016
n÷5 16305612.8

Exponentiation

ny
n2 6646825219588096
n3 5.4190279189939E+23
n4 4.4180285499752E+31
n5 3.6019331437621E+39

Nth Root

y√n
2√n 9029.2892300557
3√n 433.61308221582
4√n 95.022572213426
5√n 38.217425346249

Divisors of 81528064

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81528063
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81528064 can be divided by 36 positive divisors. The sum of these divisors (counting 81528064) is 1, the average is 0.027777777777778.

Base conversion 81528064

Base System Value
2 Binary 100110111000000010100000000
3 Ternary 12200102001110221
4 Quaternary 10313000110000
5 Quinary 131332344224
6 Senary 12031232424
8 Octal 467002400
10 Decimal 81528064
12 Duodecimal 23378714
16 Hexadecimal 4dc0500
20 Vigesimal 159b034
36 Base36 1cjfgg

Cryptographic Hash Functions

md5 1464aa5ba2f9a289f1b09f1b42baecfb
sha1 84dd2dbb8de45b74304df492a20333db1fdd0dfd
sha256 fdb6112d6d20072bbe8f7c5e5d0c84eb11f49b27b2271a245b3bc79ea07af056
sha512 965b8d54cb147183dd601636c8d45093121a9bf96a3e243a0e9f2c8df6840cc63ba4e3f46ad888833f3e751eb81c03297eaa1c9c69063733530da8f771e66c8c
ripemd-160 7a3b17d82bcc5b5a0218166ac576d1b91763fe38

81528064 as geometric shapes

Circle

Radius = n
Diameter 163056128
Circumference 512255933.8476
Area 2.0881617279553E+16

Sphere

Radius = n
Volume 2.2699171066546E+24
Surface area 8.3526469118213E+16
Circumference 512255933.8476

Square

Length = n
Perimeter 326112256
Area 6646825219588096
Diagonal 115298093.82282

Cube

Length = n
Surface area 39880951317528576
Volume 5.4190279189939E+23
Space diagonal 141210749.09073

Equilateral Triangle

Length = n
Perimeter 244584192
Area 2.8781597473392E+15
Altitude 70605374.545364

Triangular Pyramid

Length = n
Surface area 2.8781597473392E+15
Volume 6.3863856482664E+22
Height 38432697.940941