81576770 is an even 8-digits composite number following 81576769
and preceding 81576771 . In scientific notation, it is written as 8.1576770 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 29255040 positive integers (up to 81576770) that are relatively prime to 81576770.
81576770 has 32 divisors, whose sum is 162397440
The reverse of 81576770 is 07767518
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million five hundred seventy-six thousand seven hundred seventy
Scientific notation
8.1576770 × 10^7
Engineering notation
8.1576770 × 10^6
Prime Factorization
2 × 5 × 11 × 73 × 10159
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81576770
Product of the distinct prime numbers
The prime factorization of 81576770 is 2 × 5 × 11 × 73 × 10159.
Since it has a total of 5 prime factors.
7 , 6 , 87 , 62 , 424 , 756 , 6272 , 6243 , 50161 , 2581 , 675746 , 786633 , 3826930 , 8196460 , 91758041 , 2294330 , 951608269 , 254291628 , 1218416309 , 240586012
n×2
163153540
n×3
244730310
n×4
326307080
n×5
407883850
n÷2
40788385
n÷3
27192256.666667
n÷3
20394192.5
n÷5
16315354
n2
6654769403632900
n3
5.428745930432E+23
n4
4.4285955815529E+31
n5
3.6127052317935E+39
2 √n
9031.985938873
3 √n
433.69941385606
4 √n
95.036760986857
5 √n
38.221990579795
1 , 2 , 5 , 10 , 11 , 22 , 55 , 73 , 110 , 146 , 365 , 730 , 803 , 1606 , 4015 , 8030 , 10159 , 20318 , 50795 , 101590 , 111749 , 223498 , 558745 , 741607 , 1117490 , 1483214 , 3708035 , 7416070 , 8157677 , 16315354 , 40788385 , 81576770
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
-81576769
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 81576770 can be divided by 32 positive divisors.
The sum of these divisors (counting 81576770) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111001100001101000010
3
Ternary
12200111112021212
4
Quaternary
10313030031002
5
Quinary
131340424040
6
Senary
12032250122
8
Octal
467141502
10
Decimal
81576770
12
Duodecimal
233a0942
16
Hexadecimal
4dcc342
20
Vigesimal
159h1ia
36
Base36
1ckh1e
md5
c08a85a2c8b98811367f107f7e4f930a
sha1
9e9e39f976093776acd934261dfec5a8fa25ba18
sha256
bdfd72919fef04ae93bea9019e6004244fd6654ecf6d9331f31eb9ae82688796
sha512
6699290783cc92aebdc551ea1266e573644fa9a2cf091a15e261e4a331832b9657dfc66918972456b50317a6e5a180f64c3d0f71bc1fe442d1b3726bab9b7b3f
ripemd-160
48c17c300d4b7c51562b75c66ccb3b8325997055
Diameter
163153540
Circumference
512561962.67117
Area
2.0906574669787E+16
Volume
2.2739877777667E+24
Surface area
8.3626298679149E+16
Circumference
512561962.67117
Perimeter
326307080
Area
6654769403632900
Diagonal
115366974.50859
Surface area
39928616421797400
Volume
5.428745930432E+23
Space diagonal
141295110.35736
Perimeter
244730310
Area
2.8815996799368E+15
Altitude
70647555.17868
Surface area
2.8815996799368E+15
Volume
6.3978384345789E+22
Height
38455658.16953