81472564 (number)

81472564 is an even 8-digits composite number following 81472563 and preceding 81472565. In scientific notation, it is written as 8.1472564 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 40663800 positive integers (up to 81472564) that are relatively prime to 81472564.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1472564 × 10^7
Engineering notation 8.1472564 × 10^6

Prime Factorization of 81472564

Prime Factorization 2 × 2 × 571 × 35671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40736282
Product of the distinct prime numbers

The prime factorization of 81472564 is 2 × 2 × 571 × 35671. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 91, 30, 752, 277, 7943, 7924, 74593, 73077, 637047, 660202, 3989818, 3755907, 66718618, 73791522, 164501849, 758660236, 5806479664, 3374542235

Basic calculations (n = 81472564)

Multiplication

n×y
n×2 162945128
n×3 244417692
n×4 325890256
n×5 407362820

Division

n÷y
n÷2 40736282
n÷3 27157521.333333
n÷3 20368141
n÷5 16294512.8

Exponentiation

ny
n2 6637778684734096
n3 5.4079684870983E+23
n4 4.406010586751E+31
n5 3.5896897951375E+39

Nth Root

y√n
2√n 9026.2153752279
3√n 433.51466625206
4√n 95.006396496383
5√n 38.212220647884

Divisors of 81472564

1, 2, 4, 571, 1142, 2284, 35671, 71342, 142684, 20368141, 40736282, 81472564

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81472563
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81472564 can be divided by 12 positive divisors. The sum of these divisors (counting 81472564) is 1, the average is 0.083333333333333.

Base conversion 81472564

Base System Value
2 Binary 100110110110010110000110100
3 Ternary 12200022020100101
4 Quaternary 10312302300310
5 Quinary 131324110224
6 Senary 12030123444
8 Octal 466626064
10 Decimal 81472564
12 Duodecimal 23350584
16 Hexadecimal 4db2c34
20 Vigesimal 1594184
36 Base36 1ci8ms

Cryptographic Hash Functions

md5 43b22c936325e5a26b933ac02f5c9aa1
sha1 e9ae990615ccf57cc30d26a82cd34f5836b0ba25
sha256 c3df1c1bc8ca4ccdedc249658be9de1075969db76219c5fde040e71a7a063ac2
sha512 b819561080fb11f7307ad30a91d1eef383e3cbceb9e71f0059ad2e7135840f96c64f72512f58d74f1aba99047e5f477bfd86066a4e8932243b299d018473ede0
ripemd-160 db65f9f544826fd882264393b4d506ea69dbb846

81472564 as geometric shapes

Circle

Radius = n
Diameter 162945128
Circumference 511907217.06305
Area 2.0853196752116E+16

Sphere

Radius = n
Volume 2.2652845426551E+24
Surface area 8.3412787008462E+16
Circumference 511907217.06305

Square

Length = n
Perimeter 325890256
Area 6637778684734096
Diagonal 115219604.97011

Cube

Length = n
Surface area 39826672108404576
Volume 5.4079684870983E+23
Space diagonal 141114620.27091

Equilateral Triangle

Length = n
Perimeter 244417692
Area 2.8742424828393E+15
Altitude 70557310.135454

Triangular Pyramid

Length = n
Surface area 2.8742424828393E+15
Volume 6.373351982784E+22
Height 38406534.990037