81882040 is an even 8-digits composite number following 81882039
and preceding 81882041 . In scientific notation, it is written as 8.1882040 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 32262912 positive integers (up to 81882040) that are relatively prime to 81882040.
81882040 has 32 divisors, whose sum is 186990480
The reverse of 81882040 is 04028818
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million eight hundred eighty-two thousand forty
Scientific notation
8.1882040 × 10^7
Engineering notation
8.1882040 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 67 × 30553
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20470510
Product of the distinct prime numbers
The prime factorization of 81882040 is 2 × 2 × 2 × 5 × 67 × 30553.
Since it has a total of 6 prime factors.
3 , 8 , 95 , 63 , 574 , 448 , 8707 , 3023 , 27225 , 70371 , 882223 , 705448 , 5816976 , 770362 , 34237287 , 70863457 , 294065497 , 78401176 , 7338216288 , 6361039558
n×2
163764080
n×3
245646120
n×4
327528160
n×5
409410200
n÷2
40941020
n÷3
27294013.333333
n÷3
20470510
n÷5
16376408
n2
6704668474561600
n3
5.4899193222079E+23
n4
4.495257935378E+31
n5
3.6808089007494E+39
2 √n
9048.8695426556
3 √n
434.23972541805
4 √n
95.125546214756
5 √n
38.250554105702
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 67 , 134 , 268 , 335 , 536 , 670 , 1340 , 2680 , 30553 , 61106 , 122212 , 152765 , 244424 , 305530 , 611060 , 1222120 , 2047051 , 4094102 , 8188204 , 10235255 , 16376408 , 20470510 , 40941020 , 81882040
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81882039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81882040 can be divided by 32 positive divisors.
The sum of these divisors (counting 81882040) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111000010110101110111000
3
Ternary
12201002001001011
4
Quaternary
10320112232320
5
Quinary
131430211130
6
Senary
12043003304
8
Octal
470265670
10
Decimal
81882040
12
Duodecimal
23509534
16
Hexadecimal
4e16bb8
20
Vigesimal
15bf520
36
Base36
1cr0l4
md5
77111703d5c7c0efea19780806960616
sha1
cb752e6716ea0c35faa703b88eeea715344fbf33
sha256
a2138df19d1499c76f8f9dd5d2b3fe154eae5b43c3ff1e6721f931b65a004320
sha512
66f6edd2ea7fee40abc3b0c6fdb11c5c4e830daf6169484834737d6dca0a8d28f8b3d6c180cf16f594b275ac8d499f949cfa23554d7d4c49ee6f95329b46649a
ripemd-160
385f40060ccbaab7c328f86a1bac1efb20f8625e
Diameter
163764080
Circumference
514480030.64989
Area
2.1063337224438E+16
Volume
2.2996120281932E+24
Surface area
8.4253348897751E+16
Circumference
514480030.64989
Perimeter
327528160
Area
6704668474561600
Diagonal
115798691.48278
Surface area
40228010847369600
Volume
5.4899193222079E+23
Space diagonal
141823853.50739
Perimeter
245646120
Area
2.9032066114615E+15
Altitude
70911926.753694
Surface area
2.9032066114615E+15
Volume
6.4699319681671E+22
Height
38599563.827592