81663463 is an odd 8-digits composite number following 81663462
and preceding 81663464 . In scientific notation, it is written as 8.1663463 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 65558592 positive integers (up to 81663463) that are relatively prime to 81663463.
81663463 has 16 divisors, whose sum is 99360000
The reverse of 81663463 is 36436618
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million six hundred sixty-three thousand four hundred sixty-three
Scientific notation
8.1663463 × 10^7
Engineering notation
8.1663463 × 10^6
Prime Factorization
7 × 89 × 19 × 6899
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81663463
Product of the distinct prime numbers
The prime factorization of 81663463 is 7 × 89 × 19 × 6899.
Since it has a total of 4 prime factors.
1 , 8 , 79 , 87 , 591 , 823 , 9727 , 7879 , 80749 , 36600 , 77849 , 614525 , 8879668 , 6147280 , 17295029 , 6317828 , 78409659 , 933036117 , 3969512243 , 7083760769
n×2
163326926
n×3
244990389
n×4
326653852
n×5
408317315
n÷2
40831731.5
n÷3
27221154.333333
n÷3
20415865.75
n÷5
16332692.6
n2
6668921189152369
n3
5.4460719878026E+23
n4
4.4474509827125E+31
n5
3.6319424877106E+39
2 √n
9036.7838858744
3 √n
433.85299267602
4 √n
95.062000220248
5 √n
38.230110958595
1 , 7 , 19 , 89 , 133 , 623 , 1691 , 6899 , 11837 , 48293 , 131081 , 614011 , 917567 , 4298077 , 11666209 , 81663463
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
-81663462
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 81663463 can be divided by 16 positive divisors.
The sum of these divisors (counting 81663463) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111100001010111100111
3
Ternary
12200122221012201
4
Quaternary
10313201113213
5
Quinary
131401212323
6
Senary
12034155331
8
Octal
467412747
10
Decimal
81663463
12
Duodecimal
23422b47
16
Hexadecimal
4de15e7
20
Vigesimal
15a7id3
36
Base36
1cmbxj
md5
4a34f526461f2fe75c829c6bcea1e91c
sha1
2ae9f45ccc56ff082af61e1a5bff6df7aaffa555
sha256
25c05c82c6491a22ed7c55a7c9df416106222c4d9b0919392b2171191fd9523c
sha512
7e02d6e64bbcb5c344c3ceca1ccf0f45d7589bda8659197536d2e403a97d299d74747fc893b34654125ca2b48ce98b6614420511631b19a4e66fb06ce58bd93e
ripemd-160
893882a71c204c853078b783713bcf28298d5be5
Diameter
163326926
Circumference
513106670.855
Area
2.095103381521E+16
Volume
2.2812452997069E+24
Surface area
8.3804135260842E+16
Circumference
513106670.855
Perimeter
326653852
Area
6668921189152369
Diagonal
115489576.92495
Surface area
40013527134914214
Volume
5.4460719878026E+23
Space diagonal
141445267.03802
Perimeter
244990389
Area
2.8877275828211E+15
Altitude
70722633.519011
Surface area
2.8877275828211E+15
Volume
6.4182573890089E+22
Height
38496525.641651