27781138 is an even 8-digits composite number following 27781137
and preceding 27781139 . In scientific notation, it is written as 2.7781138 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 10823400 positive integers (up to 27781138) that are relatively prime to 27781138.
27781138 has 16 divisors, whose sum is 48245184
The reverse of 27781138 is 83118772
Previous prime number is 77
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-seven million seven hundred eighty-one thousand one hundred thirty-eight
Scientific notation
2.7781138 × 10^7
Engineering notation
2.7781138 × 10^6
Prime Factorization
2 × 7 × 77 × 25771
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27781138
Product of the distinct prime numbers
The prime factorization of 27781138 is 2 × 7 × 77 × 25771.
Since it has a total of 4 prime factors.
2 , 5 , 51 , 78 , 600 , 371 , 788 , 7253 , 90619 , 83477 , 181079 , 329183 , 1124359 , 1872832 , 84425790 , 34907540 , 364698681 , 453497653 , 1811285864 , 573938573
n×2
55562276
n×3
83343414
n×4
111124552
n×5
138905690
n÷2
13890569
n÷3
9260379.3333333
n÷3
6945284.5
n÷5
5556227.6
n2
771791628575044
n3
2.1441249740688E+22
n4
5.9566231793852E+29
n5
1.654817705605E+37
2 √n
5270.7815359774
3 √n
302.8656435043
4 √n
72.600148319252
5 √n
30.814136804457
1 , 2 , 7 , 14 , 77 , 154 , 539 , 1078 , 25771 , 51542 , 180397 , 360794 , 1984367 , 3968734 , 13890569 , 27781138
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
-27781137
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 27781138 can be divided by 16 positive divisors.
The sum of these divisors (counting 27781138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001111110100000010010
3
Ternary
1221021102120001
4
Quaternary
1221332200102
5
Quinary
24102444023
6
Senary
2431240214
8
Octal
151764022
10
Decimal
27781138
12
Duodecimal
937906a
16
Hexadecimal
1a7e812
20
Vigesimal
8dccgi
36
Base36
gjg2a
md5
7c327a4cff534de7c34447fa49d12ec7
sha1
dec6c47faf577bb704d60a234875b9b3286a0cf8
sha256
1c27120297879b1167590b576bada6120609c7d67e391e849038deb2d70a9555
sha512
94a63aa5bc8373e6e2769dc3da851b1da78e460e85a80b29801e3ca0354ef817ccdb26a04d583badd65f52b0d625218e9e9713089c6488ae7030f52042005f6a
ripemd-160
3d96241e705d2c68a093c7d586ba5170691ab7ae
Diameter
55562276
Circumference
174554038.09833
Area
2.4246549104335E+15
Volume
8.9812896892173E+22
Surface area
9.6986196417338E+15
Circumference
174554038.09833
Perimeter
111124552
Area
771791628575044
Diagonal
39288462.137759
Surface area
4630749771450264
Volume
2.1441249740688E+22
Space diagonal
48118342.508082
Perimeter
83343414
Area
3.3419557838708E+14
Altitude
24059171.254041
Surface area
3.3419557838708E+14
Volume
2.5268755147925E+21
Height
13096154.04592