81595794 is an even 8-digits composite number following 81595793
and preceding 81595795 . In scientific notation, it is written as 8.1595794 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 23313072 positive integers (up to 81595794) that are relatively prime to 81595794.
81595794 has 16 divisors, whose sum is 186504768
The reverse of 81595794 is 49759518
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-one million five hundred ninety-five thousand seven hundred ninety-four
Scientific notation
8.1595794 × 10^7
Engineering notation
8.1595794 × 10^6
Prime Factorization
2 × 3 × 7 × 1942757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81595794
Product of the distinct prime numbers
The prime factorization of 81595794 is 2 × 3 × 7 × 1942757.
Since it has a total of 4 prime factors.
4 , 9 , 82 , 81 , 178 , 288 , 523 , 4495 , 32464 , 9121 , 178419 , 431029 , 1991534 , 8760406 , 29517809 , 8381092 , 879859242 , 38599237 , 8050251494 , 4844135488
n×2
163191588
n×3
244787382
n×4
326383176
n×5
407978970
n÷2
40797897
n÷3
27198598
n÷3
20398948.5
n÷5
16319158.8
n2
6657873598490436
n3
5.4325448262046E+23
n4
4.4327280853476E+31
n5
3.6169196771004E+39
2 √n
9033.0390234959
3 √n
433.73312466355
4 √n
95.042301232114
5 √n
38.223773115019
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 1942757 , 3885514 , 5828271 , 11656542 , 13599299 , 27198598 , 40797897 , 81595794
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
-81595793
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 81595794 can be divided by 16 positive divisors.
The sum of these divisors (counting 81595794) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111010000110110010010
3
Ternary
12200112111101110
4
Quaternary
10313100312102
5
Quinary
131342031134
6
Senary
12032514150
8
Octal
467206622
10
Decimal
81595794
12
Duodecimal
233ab956
16
Hexadecimal
4dd0d92
20
Vigesimal
159j99e
36
Base36
1ckvpu
md5
4c7938c18560edaea1b042e70c859b0c
sha1
edd78e0e9290e6898b69fc6b2b9049f0b98921c2
sha256
bba2206201e11d931f4de59b4514260a64cfddbf6d261c18f25590a0c3b2f523
sha512
dffbcbe106c4d8813ffbff64557870d5c4aa6bc15f39ee5ac2eeb8e227974a144ba5491cb0c06140c27ef92a265fa842cfd68bcc03b65aec7d610c145d5e09ba
ripemd-160
fff8e6d71a6d123cef2ad057f876629942686eb9
Diameter
163191588
Circumference
512681493.98845
Area
2.0916326785547E+16
Volume
2.2755790555069E+24
Surface area
8.3665307142188E+16
Circumference
512681493.98845
Perimeter
326383176
Area
6657873598490436
Diagonal
115393878.5074
Surface area
39947241590942616
Volume
5.4325448262046E+23
Space diagonal
141328060.89192
Perimeter
244787382
Area
2.8829438357392E+15
Altitude
70664030.445962
Surface area
2.8829438357392E+15
Volume
6.402315476182E+22
Height
38464626.169134