81064562 is an even 8-digits composite number following 81064561
and preceding 81064563 . In scientific notation, it is written as 8.1064562 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 40532280 positive integers (up to 81064562) that are relatively prime to 81064562.
81064562 has 4 divisors, whose sum is 121596846
The reverse of 81064562 is 26546018
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million sixty-four thousand five hundred sixty-two
Scientific notation
8.1064562 × 10^7
Engineering notation
8.1064562 × 10^6
Prime Factorization
2 × 40532281
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81064562
Product of the distinct prime numbers
The prime factorization of 81064562 is 2 × 40532281.
Since it has a total of 2 prime factors.
4 , 5 , 94 , 77 , 514 , 270 , 4241 , 7475 , 47353 , 29002 , 673528 , 288005 , 1159059 , 5712228 , 8960655 , 62299584 , 651715758 , 507766877 , 6916102925 , 9489524074
n×2
162129124
n×3
243193686
n×4
324258248
n×5
405322810
n÷2
40532281
n÷3
27021520.666667
n÷3
20266140.5
n÷5
16212912.4
n2
6571463212251844
n3
5.3271278700031E+23
n4
4.3184128749979E+31
n5
3.5007024824687E+39
2 √n
9003.5860633417
3 √n
432.78979675687
4 √n
94.887228136044
5 √n
38.173871574036
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81064561
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81064562 can be divided by 4 positive divisors.
The sum of these divisors (counting 81064562) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101001111001001110010
3
Ternary
12122112111200012
4
Quaternary
10311033021302
5
Quinary
131223031222
6
Senary
12013254522
8
Octal
465171162
10
Decimal
81064562
12
Duodecimal
23194442
16
Hexadecimal
4d4f272
20
Vigesimal
156d182
36
Base36
1c9hte
md5
2d2e559a7e55366aa79cfcdcb728a1a8
sha1
b9ca919f85f8975a032513622db25ff4d7615d43
sha256
7e4c79860a591a7c3c5c810dfb13953e946b8c3e4c5cbc80e9e44931670a697a
sha512
ffa2ca15010dfa387c640b388de0e1cc95b631aedd64fc39b9d98ff20a975c536f52b2594c50d6dd7a230949638afb29c3a26403ff22a1832105b115f1b2f069
ripemd-160
9a8c8fbc9031f18771be8f33dc2e8400f301a115
Diameter
162129124
Circumference
509343664.89135
Area
2.0644860550946E+16
Volume
2.2314221041514E+24
Surface area
8.2579442203784E+16
Circumference
509343664.89135
Perimeter
324258248
Area
6571463212251844
Diagonal
114642603.00823
Surface area
39428779273511064
Volume
5.3271278700031E+23
Space diagonal
140407940.07732
Perimeter
243193686
Area
2.8455270409225E+15
Altitude
70203970.038659
Surface area
2.8455270409225E+15
Volume
6.2780804018784E+22
Height
38214201.002745