81008084 is an even 8-digits composite number following 81008083
and preceding 81008085 . In scientific notation, it is written as 8.1008084 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 39100320 positive integers (up to 81008084) that are relatively prime to 81008084.
81008084 has 24 divisors, whose sum is 146700288
The reverse of 81008084 is 48080018
Previous prime number is 757
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million eight thousand eighty-four
Scientific notation
8.1008084 × 10^7
Engineering notation
8.1008084 × 10^6
Prime Factorization
2 × 2 × 31 × 757 × 863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40504042
Product of the distinct prime numbers
The prime factorization of 81008084 is 2 × 2 × 31 × 757 × 863.
Since it has a total of 5 prime factors.
10 , 8 , 32 , 6 , 654 , 948 , 2967 , 4620 , 38625 , 94708 , 160432 , 621435 , 5249668 , 9988000 , 18335824 , 66464551 , 11661993 , 943584259 , 1192900604 , 3471856264
n×2
162016168
n×3
243024252
n×4
324032336
n×5
405040420
n÷2
40504042
n÷3
27002694.666667
n÷3
20252021
n÷5
16201616.8
n2
6562309673351056
n3
5.3160013325283E+23
n4
4.3063908248957E+31
n5
3.4885246967998E+39
2 √n
9000.4490999061
3 √n
432.68926462022
4 √n
94.870696739858
5 √n
38.168550913689
1 , 2 , 4 , 31 , 62 , 124 , 757 , 863 , 1514 , 1726 , 3028 , 3452 , 23467 , 26753 , 46934 , 53506 , 93868 , 107012 , 653291 , 1306582 , 2613164 , 20252021 , 40504042 , 81008084
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81008083
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81008084 can be divided by 24 positive divisors.
The sum of these divisors (counting 81008084) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101000001010111010100
3
Ternary
12122102122012102
4
Quaternary
10311001113110
5
Quinary
131214224314
6
Senary
12012141232
8
Octal
465012724
10
Decimal
81008084
12
Duodecimal
23167818
16
Hexadecimal
4d415d4
20
Vigesimal
1566044
36
Base36
1c8a8k
md5
f52de2a701fc041440545a0f61158657
sha1
99d4782437c19351df476adf3f1a7b25b3a2fe2c
sha256
b29b18a7ff1deb0dc7917f4820e428a281fa5c92238931f083ded1812ad371a6
sha512
9ba14afa554177bd25caf137463209cd7d5165ba0c86dd996471c7cf2f5bfa5b090dbcce2dc7fe6e55f7dc092abb3be630a8c298f739b67688ff767ea9d05a40
ripemd-160
f1b3b9b1e1088019b7e68f4e0b9592a7e8f162a2
Diameter
162016168
Circumference
508988803.15157
Area
2.0616103860381E+16
Volume
2.2267614310326E+24
Surface area
8.2464415441524E+16
Circumference
508988803.15157
Perimeter
324032336
Area
6562309673351056
Diagonal
114562731.05466
Surface area
39373858040106336
Volume
5.3160013325283E+23
Space diagonal
140310117.31181
Perimeter
243024252
Area
2.8415634423112E+15
Altitude
70155058.655904
Surface area
2.8415634423112E+15
Volume
6.2649676517125E+22
Height
38187577.01822