81072534 (number)

81072534 is an even 8-digits composite number following 81072533 and preceding 81072535. In scientific notation, it is written as 8.1072534 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 26969448 positive integers (up to 81072534) that are relatively prime to 81072534.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1072534 × 10^7
Engineering notation 8.1072534 × 10^6

Prime Factorization of 81072534

Prime Factorization 2 × 3 × 503 × 26863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81072534
Product of the distinct prime numbers

The prime factorization of 81072534 is 2 × 3 × 503 × 26863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 58, 5, 759, 654, 5266, 4159, 71708, 900, 661838, 71840, 3881782, 6463294, 32027919, 41576834, 466622703, 813206188, 8920352577, 5115513286

Basic calculations (n = 81072534)

Multiplication

n×y
n×2 162145068
n×3 243217602
n×4 324290136
n×5 405362670

Division

n÷y
n÷2 40536267
n÷3 27024178
n÷3 20268133.5
n÷5 16214506.8

Exponentiation

ny
n2 6572755769181156
n3 5.3286996557064E+23
n4 4.3201118401304E+31
n5 3.5024241404278E+39

Nth Root

y√n
2√n 9004.0287649474
3√n 432.80398333887
4√n 94.889560884996
5√n 38.174622358661

Divisors of 81072534

1, 2, 3, 6, 503, 1006, 1509, 3018, 26863, 53726, 80589, 161178, 13512089, 27024178, 40536267, 81072534

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81072533
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81072534 can be divided by 16 positive divisors. The sum of these divisors (counting 81072534) is 1, the average is 0.0625.

Base conversion 81072534

Base System Value
2 Binary 100110101010001000110010110
3 Ternary 12122112220121110
4 Quaternary 10311101012112
5 Quinary 131223310114
6 Senary 12013355450
8 Octal 465210626
10 Decimal 81072534
12 Duodecimal 23198b86
16 Hexadecimal 4d51196
20 Vigesimal 156e16e
36 Base36 1c9nyu

Cryptographic Hash Functions

md5 9c8bb0e4ed7d80ffb9cfe278c26cd0e0
sha1 a8bdbd72c3475788bc8caa493a2187aa00a6e6ef
sha256 d0d8347acde52ddb3f60b132ff0015d87f8cfbdaa3cc0668a4861f490ac5fef5
sha512 a11ef21974ac898db30f5d58c95369c12ac4e84ad47d2aebdcf017998827d925c4e9bef8f496b20a2721ab82bc99cfa2c605462298abe0ba63f60edddd8bd326
ripemd-160 2ff0448e254963cd05eceab754a6313f5f3e6f14

81072534 as geometric shapes

Circle

Radius = n
Diameter 162145068
Circumference 509393754.44462
Area 2.0648921238299E+16

Sphere

Radius = n
Volume 2.2320804922071E+24
Surface area 8.2595684953198E+16
Circumference 509393754.44462

Square

Length = n
Perimeter 324290136
Area 6572755769181156
Diagonal 114653877.11875

Cube

Length = n
Surface area 39436534615086936
Volume 5.3286996557064E+23
Space diagonal 140421747.98636

Equilateral Triangle

Length = n
Perimeter 243217602
Area 2.8460867344908E+15
Altitude 70210873.993178

Triangular Pyramid

Length = n
Surface area 2.8460867344908E+15
Volume 6.279932769094E+22
Height 38217959.039585