81103664 (number)

81103664 is an even 8-digits composite number following 81103663 and preceding 81103665. In scientific notation, it is written as 8.1103664 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 10 positive divisors. There are 40551824 positive integers (up to 81103664) that are relatively prime to 81103664.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred three thousand six hundred sixty-four

Notation

Scientific notation 8.1103664 × 10^7
Engineering notation 8.1103664 × 10^6

Prime Factorization of 81103664

Prime Factorization 2 × 2 × 2 × 2 × 5068979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10137958
Product of the distinct prime numbers

The prime factorization of 81103664 is 2 × 2 × 2 × 2 × 5068979. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 41, 49, 64, 639, 8542, 9187, 31435, 27790, 401358, 783071, 7440103, 3746173, 93623122, 74266877, 184421185, 230805814, 4184084351, 7453396356

Basic calculations (n = 81103664)

Multiplication

n×y
n×2 162207328
n×3 243310992
n×4 324414656
n×5 405518320

Division

n÷y
n÷2 40551832
n÷3 27034554.666667
n÷3 20275916
n÷5 16220732.8

Exponentiation

ny
n2 6577804314224896
n3 5.3348403095865E+23
n4 4.3267509596236E+31
n5 3.5091535604099E+39

Nth Root

y√n
2√n 9005.7572696581
3√n 432.85937186253
4√n 94.898668429321
5√n 38.177553544979

Divisors of 81103664

1, 2, 4, 8, 16, 5068979, 10137958, 20275916, 40551832, 81103664

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81103663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81103664 can be divided by 10 positive divisors. The sum of these divisors (counting 81103664) is 1, the average is 0.1.

Base conversion 81103664

Base System Value
2 Binary 100110101011000101100110000
3 Ternary 12122121111022102
4 Quaternary 10311120230300
5 Quinary 131230304124
6 Senary 12014155532
8 Octal 465305460
10 Decimal 81103664
12 Duodecimal 231b2ba8
16 Hexadecimal 4d58b30
20 Vigesimal 156hj34
36 Base36 1cabzk

Cryptographic Hash Functions

md5 b80caff84bb4cdfccc631ea7f1636e17
sha1 9e2d40537c7dcbc9dc2274649f92da524883b020
sha256 5b109567d56e9dc9a18367cee48707401ce129ba0162a443f85e0de54da3fa94
sha512 d22fc0a35cbcc6fe62b1870b159dcf5d808cc4f0d1a0a272c4ecad01db87b5eb9e88515af36e668d36f77c0b4cf947e34c5344950c64bd8e2404257bcbc74e19
ripemd-160 f885a86ab552ea8f3652adc0994715852304c998

81103664 as geometric shapes

Circle

Radius = n
Diameter 162207328
Circumference 509589350.00323
Area 2.066478171032E+16

Sphere

Radius = n
Volume 2.2346526832895E+24
Surface area 8.2659126841281E+16
Circumference 509589350.00323

Square

Length = n
Perimeter 324414656
Area 6577804314224896
Diagonal 114697901.58695

Cube

Length = n
Surface area 39466825885349376
Volume 5.3348403095865E+23
Space diagonal 140475666.72799

Equilateral Triangle

Length = n
Perimeter 243310992
Area 2.8482728186208E+15
Altitude 70237833.363997

Triangular Pyramid

Length = n
Surface area 2.8482728186208E+15
Volume 6.2871695990932E+22
Height 38232633.862317