27886978 is an even 8-digits composite number following 27886977
and preceding 27886979 . In scientific notation, it is written as 2.7886978 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 11951520 positive integers (up to 27886978) that are relatively prime to 27886978.
27886978 has 12 divisors, whose sum is 48660102
The reverse of 27886978 is 87968872
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-seven million eight hundred eighty-six thousand nine hundred seventy-eight
Scientific notation
2.7886978 × 10^7
Engineering notation
2.7886978 × 10^6
Prime Factorization
2 × 7 × 7 × 284561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3983854
Product of the distinct prime numbers
The prime factorization of 27886978 is 2 × 7 × 7 × 284561.
Since it has a total of 4 prime factors.
4 , 8 , 95 , 100 , 620 , 342 , 5218 , 1867 , 79861 , 25093 , 673442 , 831172 , 6133028 , 7465500 , 54806809 , 16469760 , 216334899 , 52618335 , 4347955484 , 7991759659
n×2
55773956
n×3
83660934
n×4
111547912
n×5
139434890
n÷2
13943489
n÷3
9295659.3333333
n÷3
6971744.5
n÷5
5577395.6
n2
777683541972484
n3
2.1687243825949E+22
n4
6.0479169145487E+29
n5
1.6865812594185E+37
2 √n
5280.81224813
3 √n
303.24977317026
4 √n
72.669197381903
5 √n
30.837580117204
1 , 2 , 7 , 14 , 49 , 98 , 284561 , 569122 , 1991927 , 3983854 , 13943489 , 27886978
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27886977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27886978 can be divided by 12 positive divisors.
The sum of these divisors (counting 27886978) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101010011000010110000010
3
Ternary
1221110210202001
4
Quaternary
1222120112002
5
Quinary
24114340403
6
Senary
2433414214
8
Octal
152302602
10
Decimal
27886978
12
Duodecimal
940a36a
16
Hexadecimal
1a98582
20
Vigesimal
8e5h8i
36
Base36
glpqa
md5
54ba1766287e7c0fdf236cc11ebceb18
sha1
16d84c98983a82a67345e6b986a16526eb394a92
sha256
52f708bee8a182ed72c91cb722f362bac0b5482b85d31c11add934624111f351
sha512
f2e0f1bbd0e1794ff7ccdc14bda57e22a856158c2387b9e7d56b1f343aa1c896a5b7e6e881e6f4cab3033af2d517e364e501bb19d2b91edd382c160a79458a2a
ripemd-160
298e9536dd56fd6b76757c9cfd9ff6995ad6ed1c
Diameter
55773956
Circumference
175219050.43124
Area
2.4431649022784E+15
Volume
9.0843314506948E+22
Surface area
9.7726596091138E+15
Circumference
175219050.43124
Perimeter
111547912
Area
777683541972484
Diagonal
39438142.5012
Surface area
4666101251834904
Volume
2.1687243825949E+22
Space diagonal
48301662.765556
Perimeter
83660934
Area
3.3674685172662E+14
Altitude
24150831.382778
Surface area
3.3674685172662E+14
Volume
2.5558661957624E+21
Height
13146047.5004