81636963 is an odd 8-digits composite number following 81636962
and preceding 81636964 . In scientific notation, it is written as 8.1636963 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 53688320 positive integers (up to 81636963) that are relatively prime to 81636963.
81636963 has 16 divisors, whose sum is 110331936
The reverse of 81636963 is 36963618
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million six hundred thirty-six thousand nine hundred sixty-three
Scientific notation
8.1636963 × 10^7
Engineering notation
8.1636963 × 10^6
Prime Factorization
3 × 113 × 281 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81636963
Product of the distinct prime numbers
The prime factorization of 81636963 is 3 × 113 × 281 × 857.
Since it has a total of 4 prime factors.
5 , 2 , 13 , 32 , 5 , 980 , 372 , 7419 , 46170 , 17047 , 468539 , 421112 , 9740414 , 5493438 , 45658107 , 69321043 , 389995300 , 547580191 , 9375633854 , 3949671049
n×2
163273926
n×3
244910889
n×4
326547852
n×5
408184815
n÷2
40818481.5
n÷3
27212321
n÷3
20409240.75
n÷5
16327392.6
n2
6664593727863369
n3
5.4407719157161E+23
n4
4.4416809557476E+31
n5
3.6260534384217E+39
2 √n
9035.3175373088
3 √n
433.80605880164
4 √n
95.054287316821
5 √n
38.227629482963
1 , 3 , 113 , 281 , 339 , 843 , 857 , 2571 , 31753 , 95259 , 96841 , 240817 , 290523 , 722451 , 27212321 , 81636963
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81636962
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81636963 can be divided by 16 positive divisors.
The sum of these divisors (counting 81636963) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111011010111001100011
3
Ternary
12200121120212020
4
Quaternary
10313122321203
5
Quinary
131344340323
6
Senary
12033432523
8
Octal
467327143
10
Decimal
81636963
12
Duodecimal
2340b743
16
Hexadecimal
4ddae63
20
Vigesimal
15a4c83
36
Base36
1clrhf
md5
3f0517e79e23ae03333026abce23ed00
sha1
a6d31bf268b1141fd669acd1e9c0df8c60dfaee2
sha256
1c71d09194d7605bf99fbe27363ff66430a0080427a0bb87d1ae732b9e525de0
sha512
4f87f5db2de37df693be840eeb644d7c32d2648d78f4160d40e21757f4568f70b645bb0a25b34ca2b45e41c0e7a6c78e253c3fb02cd3feeebc72dfbfc2fb8346
ripemd-160
6380064d4b2f2f97868763482ec0e49359df5a36
Diameter
163273926
Circumference
512940166.44436
Area
2.0937438694616E+16
Volume
2.2790252107029E+24
Surface area
8.3749754778465E+16
Circumference
512940166.44436
Perimeter
326547852
Area
6664593727863369
Diagonal
115452100.26555
Surface area
39987562367180214
Volume
5.4407719157161E+23
Space diagonal
141399367.69162
Perimeter
244910889
Area
2.8858537371161E+15
Altitude
70699683.84581
Surface area
2.8858537371161E+15
Volume
6.4120111941537E+22
Height
38484033.42185