81189629 (number)

81189629 is an odd 8-digits composite number following 81189628 and preceding 81189630. In scientific notation, it is written as 8.1189629 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 81148320 positive integers (up to 81189629) that are relatively prime to 81189629.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred eighty-nine thousand six hundred twenty-nine

Notation

Scientific notation 8.1189629 × 10^7
Engineering notation 8.1189629 × 10^6

Prime Factorization of 81189629

Prime Factorization 2069 × 39241

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81189629
Product of the distinct prime numbers

The prime factorization of 81189629 is 2069 × 39241. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81189629)

Multiplication

n×y
n×2 162379258
n×3 243568887
n×4 324758516
n×5 405948145

Division

n÷y
n÷2 40594814.5
n÷3 27063209.666667
n÷3 20297407.25
n÷5 16237925.8

Exponentiation

ny
n2 6591755857157641
n3 5.3518221250121E+23
n4 4.3451245280372E+31
n5 3.5277904839014E+39

Nth Root

y√n
2√n 9010.528785815
3√n 433.01225281657
4√n 94.923805158743
5√n 38.185643297408

Divisors of 81189629

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81189628
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81189629 can be divided by 4 positive divisors. The sum of these divisors (counting 81189629) is 1, the average is 0.25.

Base conversion 81189629

Base System Value
2 Binary 100110101101101101011111101
3 Ternary 12122202212020022
4 Quaternary 10311231223331
5 Quinary 131241032004
6 Senary 12020101525
8 Octal 465555375
10 Decimal 81189629
12 Duodecimal 232348a5
16 Hexadecimal 4d6dafd
20 Vigesimal 1578e19
36 Base36 1cc6bh

Cryptographic Hash Functions

md5 1eb807253ef66768c3d23f5f5d617d9e
sha1 bf51fdd90cbe1390831fe4ecb32066fec35e1e19
sha256 d47ff24006486bbc1244e0d034d21e9ea3a316ffd8ed365cb00a08fc13a635e9
sha512 f4504870800a72619283f996bf99b8d0f056e1bb207ced87bb874d251aa2b8800f6ac96ea437642ac16e46b76cb9ebbb35274f69ab8360e079580d35f99c2860
ripemd-160 11d2329a90b76b4f5e3488242a86f8ea459851ec

81189629 as geometric shapes

Circle

Radius = n
Diameter 162379258
Circumference 510129484.02816
Area 2.0708611775104E+16

Sphere

Radius = n
Volume 2.241766009501E+24
Surface area 8.2834447100416E+16
Circumference 510129484.02816

Square

Length = n
Perimeter 324758516
Area 6591755857157641
Diagonal 114819474.45584

Cube

Length = n
Surface area 39550535142945846
Volume 5.3518221250121E+23
Space diagonal 140624562.47567

Equilateral Triangle

Length = n
Perimeter 243568887
Area 2.8543140139217E+15
Altitude 70312281.237834

Triangular Pyramid

Length = n
Surface area 2.8543140139217E+15
Volume 6.3071828605004E+22
Height 38273158.151947