81573882 is an even 8-digits composite number following 81573881
and preceding 81573883 . In scientific notation, it is written as 8.1573882 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 25099632 positive integers (up to 81573882) that are relatively prime to 81573882.
81573882 has 16 divisors, whose sum is 175697760
The reverse of 81573882 is 28837518
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million five hundred seventy-three thousand eight hundred eighty-two
Scientific notation
8.1573882 × 10^7
Engineering notation
8.1573882 × 10^6
Prime Factorization
2 × 13 × 3 × 1045819
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81573882
Product of the distinct prime numbers
The prime factorization of 81573882 is 2 × 13 × 3 × 1045819.
Since it has a total of 4 prime factors.
5 , 7 , 21 , 83 , 611 , 494 , 8799 , 2519 , 5971 , 60524 , 295355 , 315964 , 5053872 , 5521523 , 89849227 , 50566237 , 457639313 , 294187326 , 5629431824 , 4697299710
n×2
163147764
n×3
244721646
n×4
326295528
n×5
407869410
n÷2
40786941
n÷3
27191294
n÷3
20393470.5
n÷5
16314776.4
n2
6654298224549924
n3
5.4281693816224E+23
n4
4.4279684861248E+31
n5
3.6120657878687E+39
2 √n
9031.8260612126
3 √n
433.69429581944
4 √n
95.035919847249
5 √n
38.221719947182
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 1045819 , 2091638 , 3137457 , 6274914 , 13595647 , 27191294 , 40786941 , 81573882
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81573881
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81573882 can be divided by 16 positive divisors.
The sum of these divisors (counting 81573882) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111001011011111111010
3
Ternary
12200111101022220
4
Quaternary
10313023133322
5
Quinary
131340331012
6
Senary
12032224510
8
Octal
467133772
10
Decimal
81573882
12
Duodecimal
2339b136
16
Hexadecimal
4dcb7fa
20
Vigesimal
159gee2
36
Base36
1cket6
md5
91d3c73c2f7397d762fb0f2200db2d78
sha1
729f7f2da634cf6b2fe86e46a909c4f65a3cc9f1
sha256
2f2f2850832bdf20c5ca015bd57493558ccfedd1aff310cc79c411f53d1d8cd2
sha512
1891d7ba4ff54bb215303f0c8dcc3fd5b944ea44862130a1b4bac4ca98bfa6748adecb4053c02cf2290e660f8ba200ec259a3577188fc874d6bb8c6aa28f7002
ripemd-160
fc6ace31ba4913d9e27f731e78b5218a9b9f2b6a
Diameter
163147764
Circumference
512543816.832
Area
2.0905094417042E+16
Volume
2.2737462735662E+24
Surface area
8.3620377668167E+16
Circumference
512543816.832
Perimeter
326295528
Area
6654298224549924
Diagonal
115362890.25982
Surface area
39925789347299544
Volume
5.4281693816224E+23
Space diagonal
141290108.19463
Perimeter
244721646
Area
2.881395653409E+15
Altitude
70645054.097314
Surface area
2.881395653409E+15
Volume
6.3971589652907E+22
Height
38454296.753274