81105714 is an even 8-digits composite number following 81105713
and preceding 81105715 . In scientific notation, it is written as 8.1105714 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 26654040 positive integers (up to 81105714) that are relatively prime to 81105714.
81105714 has 16 divisors, whose sum is 137082240
The reverse of 81105714 is 41750118
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million one hundred five thousand seven hundred fourteen
Scientific notation
8.1105714 × 10^7
Engineering notation
8.1105714 × 10^6
Prime Factorization
2 × 9 × 71 × 63463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81105714
Product of the distinct prime numbers
The prime factorization of 81105714 is 2 × 9 × 71 × 63463.
Since it has a total of 4 prime factors.
3 , 10 , 83 , 18 , 71 , 855 , 3951 , 2391 , 19463 , 15904 , 428265 , 138077 , 4567004 , 9269877 , 49959049 , 17522068 , 304398255 , 386244093 , 2454297406 , 382424928
n×2
162211428
n×3
243317142
n×4
324422856
n×5
405528570
n÷2
40552857
n÷3
27035238
n÷3
20276428.5
n÷5
16221142.8
n2
6578136843449796
n3
5.335244854777E+23
n4
4.3271884331152E+31
n5
3.5095970748035E+39
2 √n
9005.87108502
3 √n
432.86301885862
4 √n
94.899268095281
5 √n
38.177746540436
1 , 2 , 9 , 18 , 71 , 142 , 639 , 1278 , 63463 , 126926 , 571167 , 1142334 , 4505873 , 9011746 , 40552857 , 81105714
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
-81105713
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 81105714 can be divided by 16 positive divisors.
The sum of these divisors (counting 81105714) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011001001100110010
3
Ternary
12122121121010100
4
Quaternary
10311121030302
5
Quinary
131230340324
6
Senary
12014213230
8
Octal
465311462
10
Decimal
81105714
12
Duodecimal
231b4216
16
Hexadecimal
4d59332
20
Vigesimal
156i45e
36
Base36
1cadki
md5
22c0aa8144add8d6799b3a7c237e908b
sha1
62e7094ae2f0484b4849f6489fdc2eb5e6acec6e
sha256
8ac30153a8f5ec7a890f3e36018be88fb455990e59d6733041712f81a97e6f7f
sha512
d6574065202798aa6407df4c7a7bf04f9667d9b9e51f5b3230e52f4d869ad6510049861262c3fe20fb91714988d4e7184355f900d8c2d5df8a19c6255948a6c6
ripemd-160
4b6a16966b7b02acdda11b01b45641ec406a3f2f
Diameter
162211428
Circumference
509602230.53311
Area
2.066582638169E+16
Volume
2.2348221387827E+24
Surface area
8.2663305526761E+16
Circumference
509602230.53311
Perimeter
324422856
Area
6578136843449796
Diagonal
114700800.72475
Surface area
39468821060698776
Volume
5.335244854777E+23
Space diagonal
140479217.43215
Perimeter
243317142
Area
2.848416807999E+15
Altitude
70239608.716075
Surface area
2.848416807999E+15
Volume
6.2876463601724E+22
Height
38233600.241584