81629042 (number)

81629042 is an even 8-digits composite number following 81629041 and preceding 81629043. In scientific notation, it is written as 8.1629042 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 37104100 positive integers (up to 81629042) that are relatively prime to 81629042.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1629042 × 10^7
Engineering notation 8.1629042 × 10^6

Prime Factorization of 81629042

Prime Factorization 2 × 11 × 3710411

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81629042
Product of the distinct prime numbers

The prime factorization of 81629042 is 2 × 11 × 3710411. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81629042)

Multiplication

n×y
n×2 163258084
n×3 244887126
n×4 326516168
n×5 408145210

Division

n÷y
n÷2 40814521
n÷3 27209680.666667
n÷3 20407260.5
n÷5 16325808.4

Exponentiation

ny
n2 6663300497837764
n3 5.4391883619662E+23
n4 4.4399573524485E+31
n5 3.6242946520123E+39

Nth Root

y√n
2√n 9034.8791912233
3√n 433.79202802928
4√n 95.051981521814
5√n 38.226887630756

Divisors of 81629042

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81629041
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81629042 can be divided by 8 positive divisors. The sum of these divisors (counting 81629042) is 1, the average is 0.125.

Base conversion 81629042

Base System Value
2 Binary 100110111011000111101110010
3 Ternary 12200121011222212
4 Quaternary 10313120331302
5 Quinary 131344112132
6 Senary 12033332122
8 Octal 467307562
10 Decimal 81629042
12 Duodecimal 23407042
16 Hexadecimal 4dd8f72
20 Vigesimal 15a3cc2
36 Base36 1cllde

Cryptographic Hash Functions

md5 ef0206ee95f7994b0ad20d1f65c21c33
sha1 21c83d72a70f82465b70240edd388e396aa0ca5f
sha256 1eb4adf0005743a900397baadb498d47590a7995cb84110ee840bc0f1e8ebe12
sha512 14154d22dd7fe5a24098357590c81f6c51f9780a44f2f1da95ce24d72fedd125887a61621cd0614a1c382b7cfbcfce75a745b0f3d897c002edd92e7209d43a10
ripemd-160 a42c8d47d18b6e854929cb71cd077c0b83194268

81629042 as geometric shapes

Circle

Radius = n
Diameter 163258084
Circumference 512890397.33355
Area 2.0933375892668E+16

Sphere

Radius = n
Volume 2.2783618932592E+24
Surface area 8.3733503570673E+16
Circumference 512890397.33355

Square

Length = n
Perimeter 326516168
Area 6663300497837764
Diagonal 115440898.27992

Cube

Length = n
Surface area 39979802987026584
Volume 5.4391883619662E+23
Space diagonal 141385648.11717

Equilateral Triangle

Length = n
Perimeter 244887126
Area 2.8852937520885E+15
Altitude 70692824.058587

Triangular Pyramid

Length = n
Surface area 2.8852937520885E+15
Volume 6.4101449581621E+22
Height 38480299.426641