81632893 (number)

81632893 is an odd 8-digits composite number following 81632892 and preceding 81632894. In scientific notation, it is written as 8.1632893 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 81045468 positive integers (up to 81632893) that are relatively prime to 81632893.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred thirty-two thousand eight hundred ninety-three

Notation

Scientific notation 8.1632893 × 10^7
Engineering notation 8.1632893 × 10^6

Prime Factorization of 81632893

Prime Factorization 139 × 587287

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81632893
Product of the distinct prime numbers

The prime factorization of 81632893 is 139 × 587287. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81632893)

Multiplication

n×y
n×2 163265786
n×3 244898679
n×4 326531572
n×5 408164465

Division

n÷y
n÷2 40816446.5
n÷3 27210964.333333
n÷3 20408223.25
n÷5 16326578.6

Exponentiation

ny
n2 6663929219549449
n3 5.4399582093905E+23
n4 4.4407952643165E+31
n5 3.6251496464685E+39

Nth Root

y√n
2√n 9035.0923072208
3√n 433.79884956726
4√n 95.053102564939
5√n 38.227248308679

Divisors of 81632893

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 -81632892
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 81632893 can be divided by 4 positive divisors. The sum of these divisors (counting 81632893) is 1, the average is 0.25.

Base conversion 81632893

Base System Value
2 Binary 100110111011001111001111101
3 Ternary 12200121101021111
4 Quaternary 10313121321331
5 Quinary 131344223033
6 Senary 12033402021
8 Octal 467317175
10 Decimal 81632893
12 Duodecimal 23409311
16 Hexadecimal 4dd9e7d
20 Vigesimal 15a424d
36 Base36 1clocd

Cryptographic Hash Functions

md5 7531d54db91ba03bd63983f50be055cf
sha1 92598be5d5dacd57c81d2f8535c1106fbfa89ffd
sha256 bc80d365f06a5120e60d4089c1ffdd7d12d102a7e1d2d97507ef04c2b5b638c0
sha512 20fbcfb8059b14169aa100fc294651490e67a4c7c1067bc417595bacf8520dca2f44f6a123caee38e18c1a67370a122109cfb387fdb9562be30cefd3d414c55d
ripemd-160 e69459b25217b3b5b334c36f4f1cb09a431d8caa

81632893 as geometric shapes

Circle

Radius = n
Diameter 163265786
Circumference 512914593.88016
Area 2.0935351080179E+16

Sphere

Radius = n
Volume 2.2786843661942E+24
Surface area 8.3741404320716E+16
Circumference 512914593.88016

Square

Length = n
Perimeter 326531572
Area 6663929219549449
Diagonal 115446344.41635

Cube

Length = n
Surface area 39983575317296694
Volume 5.4399582093905E+23
Space diagonal 141392318.24483

Equilateral Triangle

Length = n
Perimeter 244898679
Area 2.8855659965756E+15
Altitude 70696159.122417

Triangular Pyramid

Length = n
Surface area 2.8855659965756E+15
Volume 6.4110522320525E+22
Height 38482114.805451