81014018 is an even 8-digits composite number following 81014017
and preceding 81014019 . In scientific notation, it is written as 8.1014018 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 40424020 positive integers (up to 81014018) that are relatively prime to 81014018.
81014018 has 8 divisors, whose sum is 121770000
The reverse of 81014018 is 81041018
Previous prime number is 491
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million fourteen thousand eighteen
Scientific notation
8.1014018 × 10^7
Engineering notation
8.1014018 × 10^6
Prime Factorization
2 × 491 × 82499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81014018
Product of the distinct prime numbers
The prime factorization of 81014018 is 2 × 491 × 82499.
Since it has a total of 3 prime factors.
2 , 4 , 8 , 40 , 505 , 236 , 948 , 5659 , 91402 , 23889 , 774545 , 870164 , 868423 , 521159 , 91531045 , 49572314 , 155525988 , 593448890 , 1224445442 , 314316003
n×2
162028036
n×3
243042054
n×4
324056072
n×5
405070090
n÷2
40507009
n÷3
27004672.666667
n÷3
20253504.5
n÷5
16202803.6
n2
6563271112504324
n3
5.3171696404731E+23
n4
4.3076527696234E+31
n5
3.4898025901602E+39
2 √n
9000.7787440865
3 √n
432.69982947284
4 √n
94.872434057984
5 √n
38.16911008145
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81014017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81014018 can be divided by 8 positive divisors.
The sum of these divisors (counting 81014018) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000010110100000010
3
Ternary
12122102221100012
4
Quaternary
10311002310002
5
Quinary
131214422033
6
Senary
12012224522
8
Octal
465026402
10
Decimal
81014018
12
Duodecimal
2316b142
16
Hexadecimal
4d42d02
20
Vigesimal
1566f0i
36
Base36
1c8ete
md5
b89f1aac99ea7ed9aeee8ee41a8afb4d
sha1
fa1d61f113986b5a89b315fd09d48640000d4f57
sha256
9fe587bff1cd4e1c804c2ec7c04ae283c01349efab677f11ddc70b5ab852a985
sha512
d60e00199ff03b6edb8002068a60c25ca2e4483c0b8218308a7ebdeba0e5ccbabe21363042c94284ef08a40eafd5cfe79d70ce5e106e0250f6a90dcecdd4c69e
ripemd-160
3577a6db7c8f31459eda4f823e2ebd0e94652599
Diameter
162028036
Circumference
509026087.57318
Area
2.0619124310562E+16
Volume
2.2272508107201E+24
Surface area
8.2476497242247E+16
Circumference
509026087.57318
Perimeter
324056072
Area
6563271112504324
Diagonal
114571122.99794
Surface area
39379626675025944
Volume
5.3171696404731E+23
Space diagonal
140320395.3013
Perimeter
243042054
Area
2.8419797576766E+15
Altitude
70160197.65065
Surface area
2.8419797576766E+15
Volume
6.2663445158296E+22
Height
38190374.332646