81773992 is an even 8-digits composite number following 81773991
and preceding 81773993 . In scientific notation, it is written as 8.1773992 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors.
There are 40822320 positive integers (up to 81773992) that are relatively prime to 81773992.
81773992 has 16 divisors, whose sum is 153568800
The reverse of 81773992 is 29937718
Previous prime number is 659
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million seven hundred seventy-three thousand nine hundred ninety-two
Scientific notation
8.1773992 × 10^7
Engineering notation
8.1773992 × 10^6
Prime Factorization
2 × 2 × 2 × 659 × 15511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20443498
Product of the distinct prime numbers
The prime factorization of 81773992 is 2 × 2 × 2 × 659 × 15511.
Since it has a total of 5 prime factors.
9 , 5 , 32 , 40 , 607 , 340 , 6158 , 1241 , 15035 , 77275 , 507719 , 657289 , 9055560 , 2623799 , 81194796 , 42351952 , 188933824 , 371794075 , 5482299753 , 7329134389
n×2
163547984
n×3
245321976
n×4
327095968
n×5
408869960
n÷2
40886996
n÷3
27257997.333333
n÷3
20443498
n÷5
16354798.4
n2
6686985767616064
n3
5.4682152066515E+23
n4
4.47157786563E+31
n5
3.656587726114E+39
2 √n
9042.897323314
3 √n
434.04864002128
4 √n
95.094149784905
5 √n
38.240454017734
1 , 2 , 4 , 8 , 659 , 1318 , 2636 , 5272 , 15511 , 31022 , 62044 , 124088 , 10221749 , 20443498 , 40886996 , 81773992
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
-81773991
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 81773992 can be divided by 16 positive divisors.
The sum of these divisors (counting 81773992) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111111100010110101000
3
Ternary
12200212112211101
4
Quaternary
10313330112220
5
Quinary
131413231432
6
Senary
12040411144
8
Octal
467742650
10
Decimal
81773992
12
Duodecimal
23476ab4
16
Hexadecimal
4dfc5a8
20
Vigesimal
15b1ejc
36
Base36
1cop7s
md5
4bb7abfecb7f456c6dab38101a01be7a
sha1
a486990a1f1b59d6a01e60a8760949d33353af67
sha256
b066613a06e22996db9750191487fd4c52a51d5544f153f6f4c801ce8b83290b
sha512
e00bb7fb379308ead7bc18f1328ed1857fd3ff3c282d265537875a11e35762f492d06560a5ca07d527c42b3e4dcb1ce180d1d7fc635ea6a7eb3dcf73ecaf6a76
ripemd-160
0e3d1c46bff8110f0337224f8fd41601d74da208
Diameter
163547984
Circumference
513801145.04382
Area
2.1007785362202E+16
Volume
2.2905206295286E+24
Surface area
8.4031141448809E+16
Circumference
513801145.04382
Perimeter
327095968
Area
6686985767616064
Diagonal
115645888.53579
Surface area
40121914605696384
Volume
5.4682152066515E+23
Space diagonal
141636708.88173
Perimeter
245321976
Area
2.8955497747502E+15
Altitude
70818354.440865
Surface area
2.8955497747502E+15
Volume
6.4443534226845E+22
Height
38548629.51193