81001043 is an odd 8-digits prime number following 81001042
and preceding 81001044 . In scientific notation, it is written as 8.1001043 × 10^7.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 81001042 positive integers (up to 81001043) that are relatively prime to 81001043.
81001043 has 2 divisors, whose sum is 81001044
The reverse of 81001043 is 34010018
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
eighty-one million one thousand forty-three
Scientific notation
8.1001043 × 10^7
Engineering notation
8.1001043 × 10^6
Prime Factorization
81001043
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81001043
Product of the distinct prime numbers
The prime factorization of 81001043 is 81001043.
Since it has a total of 1 prime factors.
7 , 5 , 44 , 16 , 779 , 648 , 2913 , 9749 , 89981 , 8258 , 28569 , 62124 , 8946995 , 3128585 , 88527757 , 8228350 , 409343844 , 682305513 , 6644892468 , 5005090806
n×2
162002086
n×3
243003129
n×4
324004172
n×5
405005215
n÷2
40500521.5
n÷3
27000347.666667
n÷3
20250260.75
n÷5
16200208.6
n2
6561168967087849
n3
5.3146152963335E+23
n4
4.3048938214677E+31
n5
3.4870088954314E+39
2 √n
9000.0579442579
3 √n
432.67672820314
4 √n
94.868635197614
5 √n
38.167887389513
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81001044
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40500522
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9000.0579998131
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999975309
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81001043 can be divided by 2 positive divisors.
The sum of these divisors (counting 81001043) is 81001044, the average is 40500522.
Base
System
Value
2
Binary
100110100111111101001010011
3
Ternary
12122102021112122
4
Quaternary
10310333221103
5
Quinary
131214013133
6
Senary
12012044455
8
Octal
464775123
10
Decimal
81001043
12
Duodecimal
2316372b
16
Hexadecimal
4d3fa53
20
Vigesimal
15652c3
36
Base36
1c84sz
md5
67a11382abaa2fe0acc0b9524284f872
sha1
2abe6b75308c4d628fe06bce82e4d3d607606554
sha256
a3a799356cde3bc10f4503704a714cbcb43593eb1b8269116316c967cec9d071
sha512
dacb2f8ff97b83cfd9c506b56bb7dd1327024e4009c85fe0d0befeda7f11a244a04eff68783a9bafa0b0e79c418e811d81ceee5e2931701c0bdb86f472970a41
ripemd-160
a0032141d206d5c51e129206f2469bac65e3ea16
Diameter
162002086
Circumference
508944563.24382
Area
2.0612520225965E+16
Volume
2.226180849549E+24
Surface area
8.2450080903858E+16
Circumference
508944563.24382
Perimeter
324004172
Area
6561168967087849
Diagonal
114552773.57697
Surface area
39367013802527094
Volume
5.3146152963335E+23
Space diagonal
140297921.94207
Perimeter
243003129
Area
2.8410695020101E+15
Altitude
70148960.971036
Surface area
2.8410695020101E+15
Volume
6.2633341923919E+22
Height
38184257.858989