81444508 (number)

81444508 is an even 8-digits composite number following 81444507 and preceding 81444509. In scientific notation, it is written as 8.1444508 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 40551392 positive integers (up to 81444508) that are relatively prime to 81444508.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand five hundred eight

Notation

Scientific notation 8.1444508 × 10^7
Engineering notation 8.1444508 × 10^6

Prime Factorization of 81444508

Prime Factorization 2 × 2 × 239 × 85193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40722254
Product of the distinct prime numbers

The prime factorization of 81444508 is 2 × 2 × 239 × 85193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 64, 24, 901, 498, 1878, 9063, 27676, 54881, 530352, 347027, 3292924, 2359219, 56550941, 1167861, 86940607, 524854993, 3493017385, 4157511206

Basic calculations (n = 81444508)

Multiplication

n×y
n×2 162889016
n×3 244333524
n×4 325778032
n×5 407222540

Division

n÷y
n÷2 40722254
n÷3 27148169.333333
n÷3 20361127
n÷5 16288901.6

Exponentiation

ny
n2 6633207883362064
n3 5.4023835252214E+23
n4 4.3999446823897E+31
n5 3.5835132988444E+39

Nth Root

y√n
2√n 9024.6611016702
3√n 433.46489864415
4√n 94.998216307835
5√n 38.20958852312

Divisors of 81444508

1, 2, 4, 239, 478, 956, 85193, 170386, 340772, 20361127, 40722254, 81444508

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 -81444507
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 81444508 can be divided by 12 positive divisors. The sum of these divisors (counting 81444508) is 1, the average is 0.083333333333333.

Base conversion 81444508

Base System Value
2 Binary 100110110101011111010011100
3 Ternary 12200020210212021
4 Quaternary 10312223322130
5 Quinary 131322211013
6 Senary 12025345524
8 Octal 466537234
10 Decimal 81444508
12 Duodecimal 233382a4
16 Hexadecimal 4dabe9c
20 Vigesimal 1590b58
36 Base36 1chmzg

Cryptographic Hash Functions

md5 e81acc7c0c52ea4d37dc290c8510c998
sha1 2d88b2e55e43ba0eea75f44643755fec5673beed
sha256 2b86f785a1c4bd1e182c3e5fa7954d93a0c26fcf64212bf3c6201e8a0cfecada
sha512 b20df08822f44fb87505edc8d3275bb6ff68fadb7a1ed3f1b7eec2b0ad7b7ff133dd00d59efb6db05b730dc69db1305ba17a0b26653c4d96a006009a5ab82bb0
ripemd-160 675a7e3e2b5f292b3d6f57d0941c1bee8f3a1d1e

81444508 as geometric shapes

Circle

Radius = n
Diameter 162889016
Circumference 511730936.01607
Area 2.0838837156104E+16

Sphere

Radius = n
Volume 2.2629451192947E+24
Surface area 8.3355348624417E+16
Circumference 511730936.01607

Square

Length = n
Perimeter 325778032
Area 6633207883362064
Diagonal 115179927.7944

Cube

Length = n
Surface area 39799247300172384
Volume 5.4023835252214E+23
Space diagonal 141066025.85345

Equilateral Triangle

Length = n
Perimeter 244333524
Area 2.8722632677874E+15
Altitude 70533012.926725

Triangular Pyramid

Length = n
Surface area 2.8722632677874E+15
Volume 6.366770042091E+22
Height 38393309.264801