81103712 (number)

81103712 is an even 8-digits composite number following 81103711 and preceding 81103713. In scientific notation, it is written as 8.1103712 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 12 positive divisors. There are 40551840 positive integers (up to 81103712) that are relatively prime to 81103712.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred three thousand seven hundred twelve

Notation

Scientific notation 8.1103712 × 10^7
Engineering notation 8.1103712 × 10^6

Prime Factorization of 81103712

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2534491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5068982
Product of the distinct prime numbers

The prime factorization of 81103712 is 2 × 2 × 2 × 2 × 2 × 2534491. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 8, 16, 95, 954, 277, 2416, 2168, 52356, 43174, 609200, 180409, 4666983, 5345159, 19343988, 78308125, 694704161, 391614813, 9280260013, 1180832438

Basic calculations (n = 81103712)

Multiplication

n×y
n×2 162207424
n×3 243311136
n×4 324414848
n×5 405518560

Division

n÷y
n÷2 40551856
n÷3 27034570.666667
n÷3 20275928
n÷5 16220742.4

Exponentiation

ny
n2 6577812100178944
n3 5.3348497816303E+23
n4 4.3267612025261E+31
n5 3.5091639446245E+39

Nth Root

y√n
2√n 9005.7599346196
3√n 432.85945725631
4√n 94.89868247041
5√n 38.177558063942

Divisors of 81103712

1, 2, 4, 8, 16, 32, 2534491, 5068982, 10137964, 20275928, 40551856, 81103712

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 -81103711
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 81103712 can be divided by 12 positive divisors. The sum of these divisors (counting 81103712) is 1, the average is 0.083333333333333.

Base conversion 81103712

Base System Value
2 Binary 100110101011000101101100000
3 Ternary 12122121111101012
4 Quaternary 10311120231200
5 Quinary 131230304322
6 Senary 12014200052
8 Octal 465305540
10 Decimal 81103712
12 Duodecimal 231b3028
16 Hexadecimal 4d58b60
20 Vigesimal 156hj5c
36 Base36 1cac0w

Cryptographic Hash Functions

md5 bb1c39d5d04008da2153b38ad8853f1b
sha1 a5d70e31cfc0b6e922ce840b36472782ceb90aeb
sha256 8c99f37f27eed6b8e10982a84f91ccc409b45f350aa74cc4ac1da9e816098804
sha512 e46e0a8bcc6a3c363b06b67da9342204ce584b8df40873ff68d60d74d03ba334f332f4db2889bd0f83c2c22a272f0e6d2528434e0b1ed088553ce325e14ea9ad
ripemd-160 593300135d71c3355ff8e086accf710edf14ef59

81103712 as geometric shapes

Circle

Radius = n
Diameter 162207424
Circumference 509589651.59612
Area 2.0664806170616E+16

Sphere

Radius = n
Volume 2.23465665093E+24
Surface area 8.2659224682465E+16
Circumference 509589651.59612

Square

Length = n
Perimeter 324414848
Area 6577812100178944
Diagonal 114697969.4692

Cube

Length = n
Surface area 39466872601073664
Volume 5.3348497816303E+23
Space diagonal 140475749.86643

Equilateral Triangle

Length = n
Perimeter 243311136
Area 2.8482761900378E+15
Altitude 70237874.933217

Triangular Pyramid

Length = n
Surface area 2.8482761900378E+15
Volume 6.2871807620039E+22
Height 38232656.489734