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.
81632893 has 4 divisors, whose sum is 82220320
The reverse of 81632893 is 39823618
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million six hundred thirty-two thousand eight hundred ninety-three
Scientific notation
8.1632893 × 10^7
Engineering notation
8.1632893 × 10^6
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.
5 , 10 , 61 , 3 , 331 , 283 , 9313 , 2717 , 65819 , 78897 , 862469 , 377805 , 5426395 , 6165363 , 80991770 , 17254746 , 394472113 , 454191223 , 4912681661 , 8402785883
n×2
163265786
n×3
244898679
n×4
326531572
n×5
408164465
n÷2
40816446.5
n÷3
27210964.333333
n÷3
20408223.25
n÷5
16326578.6
n2
6663929219549449
n3
5.4399582093905E+23
n4
4.4407952643165E+31
n5
3.6251496464685E+39
2 √n
9035.0923072208
3 √n
433.79884956726
4 √n
95.053102564939
5 √n
38.227248308679
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
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
md5
7531d54db91ba03bd63983f50be055cf
sha1
92598be5d5dacd57c81d2f8535c1106fbfa89ffd
sha256
bc80d365f06a5120e60d4089c1ffdd7d12d102a7e1d2d97507ef04c2b5b638c0
sha512
20fbcfb8059b14169aa100fc294651490e67a4c7c1067bc417595bacf8520dca2f44f6a123caee38e18c1a67370a122109cfb387fdb9562be30cefd3d414c55d
ripemd-160
e69459b25217b3b5b334c36f4f1cb09a431d8caa
Diameter
163265786
Circumference
512914593.88016
Area
2.0935351080179E+16
Volume
2.2786843661942E+24
Surface area
8.3741404320716E+16
Circumference
512914593.88016
Perimeter
326531572
Area
6663929219549449
Diagonal
115446344.41635
Surface area
39983575317296694
Volume
5.4399582093905E+23
Space diagonal
141392318.24483
Perimeter
244898679
Area
2.8855659965756E+15
Altitude
70696159.122417
Surface area
2.8855659965756E+15
Volume
6.4110522320525E+22
Height
38482114.805451