81277368 is an even 8-digits composite number following 81277367
and preceding 81277369 . In scientific notation, it is written as 8.1277368 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors.
There are 27092448 positive integers (up to 81277368) that are relatively prime to 81277368.
81277368 has 16 divisors, whose sum is 203193480
The reverse of 81277368 is 86377218
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million two hundred seventy-seven thousand three hundred sixty-eight
Scientific notation
8.1277368 × 10^7
Engineering notation
8.1277368 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3386557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20319342
Product of the distinct prime numbers
The prime factorization of 81277368 is 2 × 2 × 2 × 3 × 3386557.
Since it has a total of 5 prime factors.
6 , 7 , 12 , 47 , 204 , 952 , 6391 , 4247 , 6826 , 26896 , 514464 , 598201 , 5338054 , 8446059 , 8961348 , 3155655 , 860932872 , 960138731 , 3673824013 , 6089917320
n×2
162554736
n×3
243832104
n×4
325109472
n×5
406386840
n÷2
40638684
n÷3
27092456
n÷3
20319342
n÷5
16255473.6
n2
6606010549007424
n3
5.3691915040356E+23
n4
4.3639375373597E+31
n5
3.54689357153E+39
2 √n
9015.3961643402
3 √n
433.16817743047
4 √n
94.949440042268
5 √n
38.193892929491
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 3386557 , 6773114 , 10159671 , 13546228 , 20319342 , 27092456 , 40638684 , 81277368
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
-81277367
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 81277368 can be divided by 16 positive divisors.
The sum of these divisors (counting 81277368) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110000011000110111000
3
Ternary
12122221022120220
4
Quaternary
10312003012320
5
Quinary
131301333433
6
Senary
12022020040
8
Octal
466030670
10
Decimal
81277368
12
Duodecimal
23277620
16
Hexadecimal
4d831b8
20
Vigesimal
157jd88
36
Base36
1ce20o
md5
8daeb70a56ca9f31ccc035ed7e53b64a
sha1
9eb4b48c3afda50217e7058280c10e86862b5957
sha256
a9c217c7600a8c351336af10f852c87a429a23c15b096fb5f89eccc5d439fe5b
sha512
089ddbd021c44feed97aedb3d9bc041cb9c266acb936b11826242fac056dad07c548c7e36536a8d6160e58b285d81ccf4b3b5bc56c1cd9365319ff765735729f
ripemd-160
6328f02fd05886e53e9829030ba29b34def04b26
Diameter
162554736
Circumference
510680764.42383
Area
2.0753394210298E+16
Volume
2.2490416779727E+24
Surface area
8.3013576841194E+16
Circumference
510680764.42383
Perimeter
325109472
Area
6606010549007424
Diagonal
114943556.13959
Surface area
39636063294044544
Volume
5.3691915040356E+23
Space diagonal
140776530.88147
Perimeter
243832104
Area
2.8604864765542E+15
Altitude
70388265.440736
Surface area
2.8604864765542E+15
Volume
6.3276528699879E+22
Height
38314518.713196