81496746 is an even 8-digits composite number following 81496745
and preceding 81496747 . In scientific notation, it is written as 8.1496746 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 27060480 positive integers (up to 81496746) that are relatively prime to 81496746.
81496746 has 32 divisors, whose sum is 181804800
The reverse of 81496746 is 64769418
Previous prime number is 5569
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-one million four hundred ninety-six thousand seven hundred forty-six
Scientific notation
8.1496746 × 10^7
Engineering notation
8.1496746 × 10^6
Prime Factorization
2 × 3 × 9 × 5569 × 271
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81496746
Product of the distinct prime numbers
The prime factorization of 81496746 is 2 × 3 × 9 × 5569 × 271.
Since it has a total of 5 prime factors.
10 , 7 , 21 , 55 , 986 , 526 , 4365 , 9565 , 1906 , 15524 , 13698 , 497732 , 4061512 , 491168 , 56764045 , 49861714 , 432125218 , 805430540 , 4804492241 , 8949017035
n×2
162993492
n×3
244490238
n×4
325986984
n×5
407483730
n÷2
40748373
n÷3
27165582
n÷3
20374186.5
n÷5
16299349.2
n2
6641719608588516
n3
5.4127853594436E+23
n4
4.4112439359109E+31
n5
3.5950202658897E+39
2 √n
9027.5548184434
3 √n
433.55755273283
4 √n
95.013445461384
5 √n
38.214488744496
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 271 , 542 , 813 , 1626 , 2439 , 4878 , 5569 , 7317 , 11138 , 14634 , 16707 , 33414 , 50121 , 100242 , 150363 , 300726 , 1509199 , 3018398 , 4527597 , 9055194 , 13582791 , 27165582 , 40748373 , 81496746
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
-81496745
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 81496746 can be divided by 32 positive divisors.
The sum of these divisors (counting 81496746) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110111000101010101010
3
Ternary
12200100110112000
4
Quaternary
10312320222222
5
Quinary
131330343441
6
Senary
12030431430
8
Octal
466705252
10
Decimal
81496746
12
Duodecimal
23362576
16
Hexadecimal
4db8aaa
20
Vigesimal
15971h6
36
Base36
1cirai
md5
3cd45e31d0dcddfaedf6bc4c35db183a
sha1
922c025f072f1dbbac6ec83186ba95ed55a25050
sha256
2207c092e897724ba798dae0838820768d82b07b25751f4ec3944972ba6e7a23
sha512
08afd31f60d3a70ea4b9125b21ada74819b5c8fd16342665289b0828292b60e4b094deafce878e902ea6bc5cf761cc6b157361150ac5cdda82a8f582fdf1bc15
ripemd-160
adffc3c7497d2e51514877243f21bc1c55d0b161
Diameter
162993492
Circumference
512059157.05015
Area
2.0865577529545E+16
Volume
2.2673022294248E+24
Surface area
8.346231011818E+16
Circumference
512059157.05015
Perimeter
325986984
Area
6641719608588516
Diagonal
115253803.48248
Surface area
39850317651531096
Volume
5.4127853594436E+23
Space diagonal
141156504.72354
Perimeter
244490238
Area
2.8759489529254E+15
Altitude
70578252.361768
Surface area
2.8759489529254E+15
Volume
6.379028721283E+22
Height
38417934.494158