81609084 is an even 8-digits composite number following 81609083
and preceding 81609085 . In scientific notation, it is written as 8.1609084 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 26896320 positive integers (up to 81609084) that are relatively prime to 81609084.
81609084 has 24 divisors, whose sum is 160473600
The reverse of 81609084 is 48090618
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million six hundred nine thousand eighty-four
Scientific notation
8.1609084 × 10^7
Engineering notation
8.1609084 × 10^6
Prime Factorization
2 × 2 × 9 × 89 × 25471
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40804542
Product of the distinct prime numbers
The prime factorization of 81609084 is 2 × 2 × 9 × 89 × 25471.
Since it has a total of 5 prime factors.
7 , 1 , 20 , 43 , 666 , 832 , 5096 , 1194 , 57877 , 23318 , 846156 , 720017 , 1804463 , 8185207 , 75533476 , 61352612 , 626279730 , 628507703 , 9234568692 , 385286203
n×2
163218168
n×3
244827252
n×4
326436336
n×5
408045420
n÷2
40804542
n÷3
27203028
n÷3
20402271
n÷5
16321816.8
n2
6660042591319056
n3
5.4351997527853E+23
n4
4.4356167318184E+31
n5
3.6198661845877E+39
2 √n
9033.7746263674
3 √n
433.75667163011
4 √n
95.046171024231
5 √n
38.225018181283
1 , 2 , 4 , 9 , 18 , 36 , 89 , 178 , 356 , 801 , 1602 , 3204 , 25471 , 50942 , 101884 , 229239 , 458478 , 916956 , 2266919 , 4533838 , 9067676 , 20402271 , 40804542 , 81609084
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
-81609083
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 81609084 can be divided by 24 positive divisors.
The sum of these divisors (counting 81609084) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111010100000101111100
3
Ternary
12200120011121200
4
Quaternary
10313110011330
5
Quinary
131342442314
6
Senary
12033055500
8
Octal
467240574
10
Decimal
81609084
12
Duodecimal
233b7590
16
Hexadecimal
4dd417c
20
Vigesimal
15a12e4
36
Base36
1cl5z0
md5
82c0f1b0fd92947e679f1dbca885798f
sha1
232df57ea303c7aba37cc86cb6348de99e960188
sha256
a2dec530fc22d6bc270a8f0a8edfd921bf0eb854da1eedb37122e94d415bd9cd
sha512
4b711c6c8a648559a4a5bf6a8ad3bbc7c27d5d47e2a727dbb568f2553b8154f848100e8be0fb8a41d3424f4126e01b7fd987467c2da420645b1cfde5a5886767
ripemd-160
a4ed95feb91c5f6daba35630659c5e674b39db7f
Diameter
163218168
Circumference
512764997.52118
Area
2.0923140877483E+16
Volume
2.2766911485525E+24
Surface area
8.3692563509932E+16
Circumference
512764997.52118
Perimeter
326436336
Area
6660042591319056
Diagonal
115412673.40565
Surface area
39960255547914336
Volume
5.4351997527853E+23
Space diagonal
141351079.84716
Perimeter
244827252
Area
2.8838830371843E+15
Altitude
70675539.923578
Surface area
2.8838830371843E+15
Volume
6.4054443371633E+22
Height
38470891.135215