81467660 is an even 8-digits composite number following 81467659
and preceding 81467661 . In scientific notation, it is written as 8.1467660 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 32281664 positive integers (up to 81467660) that are relatively prime to 81467660.
81467660 has 24 divisors, whose sum is 172685520
The reverse of 81467660 is 06676418
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million four hundred sixty-seven thousand six hundred sixty
Scientific notation
8.1467660 × 10^7
Engineering notation
8.1467660 × 10^6
Prime Factorization
2 × 2 × 5 × 107 × 38069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40733830
Product of the distinct prime numbers
The prime factorization of 81467660 is 2 × 2 × 5 × 107 × 38069.
Since it has a total of 5 prime factors.
10 , 1 , 50 , 97 , 527 , 438 , 6830 , 8283 , 18293 , 35531 , 852162 , 462644 , 2927428 , 7559424 , 70305491 , 72565333 , 336709481 , 459419042 , 340997318 , 4677819165
n×2
162935320
n×3
244402980
n×4
325870640
n×5
407338300
n÷2
40733830
n÷3
27155886.666667
n÷3
20366915
n÷5
16293532
n2
6636979625875600
n3
5.4069919958776E+23
n4
4.4049498554288E+31
n5
3.5886095713912E+39
2 √n
9025.9437179721
3 √n
433.5059680332
4 √n
95.004966806858
5 √n
38.21176062249
1 , 2 , 4 , 5 , 10 , 20 , 107 , 214 , 428 , 535 , 1070 , 2140 , 38069 , 76138 , 152276 , 190345 , 380690 , 761380 , 4073383 , 8146766 , 16293532 , 20366915 , 40733830 , 81467660
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
-81467659
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 81467660 can be divided by 24 positive divisors.
The sum of these divisors (counting 81467660) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110110001100100001100
3
Ternary
12200021222121202
4
Quaternary
10312301210030
5
Quinary
131323431120
6
Senary
12030045032
8
Octal
466614414
10
Decimal
81467660
12
Duodecimal
23349778
16
Hexadecimal
4db190c
20
Vigesimal
1593930
36
Base36
1ci4uk
md5
8450756536da948e82709c130af6ca9a
sha1
f9c972065872c742a7350a53df483c70571c54f3
sha256
f4df3ed58fa5a0b2e2ca344000cb95c9efdc460ad2ae56eeaf852274a9194244
sha512
4198394921563151c79654a10c4ff1dfb99e7f82c9f7616a98b39ea25e0a1c3ce7b1ea164bdb805938783ab0518f23e4b6e2c14d2b087752479bfa287b88278b
ripemd-160
c713b5d86c6ce318866850ad0b9060455fd559d0
Diameter
162935320
Circumference
511876404.3223
Area
2.0850686434676E+16
Volume
2.2648755109691E+24
Surface area
8.3402745738704E+16
Circumference
511876404.3223
Perimeter
325870640
Area
6636979625875600
Diagonal
115212669.6668
Surface area
39821877755253600
Volume
5.4069919958776E+23
Space diagonal
141106126.29375
Perimeter
244402980
Area
2.873896480204E+15
Altitude
70553063.146873
Surface area
2.873896480204E+15
Volume
6.3722011768441E+22
Height
38404223.222267