27986989 is an odd 8-digits composite number following 27986988
and preceding 27986990 . In scientific notation, it is written as 2.7986989 × 10^7.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 27960156 positive integers (up to 27986989) that are relatively prime to 27986989.
27986989 has 4 divisors, whose sum is 28013824
The reverse of 27986989 is 98968972
Previous prime number is 1087
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4
Name
twenty-seven million nine hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
2.7986989 × 10^7
Engineering notation
2.7986989 × 10^6
Prime Factorization
1087 × 25747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27986989
Product of the distinct prime numbers
The prime factorization of 27986989 is 1087 × 25747.
Since it has a total of 2 prime factors.
3 , 9 , 3 , 75 , 313 , 394 , 6603 , 528 , 63561 , 16588 , 516357 , 8398 , 8758762 , 646205 , 56538148 , 20447445 , 201940725 , 616686075 , 7321161876 , 1778987368
n×2
55973978
n×3
83960967
n×4
111947956
n×5
139934945
n÷2
13993494.5
n÷3
9328996.3333333
n÷3
6996747.25
n÷5
5597397.8
n2
783271553286121
n3
2.1921412345832E+22
n4
6.1351432618725E+29
n5
1.7170418698345E+37
2 √n
5290.2730553347
3 √n
303.61185530618
4 √n
72.734263283096
5 √n
30.859667003241
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27986988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27986989 can be divided by 4 positive divisors.
The sum of these divisors (counting 27986989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110000110000101101
3
Ternary
1221122212221011
4
Quaternary
1222300300231
5
Quinary
24131040424
6
Senary
2435505221
8
Octal
152606055
10
Decimal
27986989
12
Duodecimal
9458211
16
Hexadecimal
1ab0c2d
20
Vigesimal
8ei799
36
Base36
gnuwd
md5
90bec61670b250c4a2bbd7104b8374bc
sha1
6d9aafc61ee31efdb277876af66dd4dd4662b90c
sha256
54e77748c64bd958e300b4aadfba0fb5dd62e9ecf970bd28d22a5cc73b2282fc
sha512
dfcb0cdaaff32444c0a725c90984c2396d1be9e039296cb6eabc1a76febdb75836e82dc1304874f939f0374f28f26df45bce814ad6cab0350125b6afd08c5443
ripemd-160
d0937918a23a7db26bd4f067d82b8d2142ddb472
Diameter
55973978
Circumference
175847438.077
Area
2.4607201575695E+15
Volume
9.1824197309303E+22
Surface area
9.8428806302782E+15
Circumference
175847438.077
Perimeter
111947956
Area
783271553286121
Diagonal
39579579.413787
Surface area
4699629319716726
Volume
2.1921412345832E+22
Space diagonal
48474886.898871
Perimeter
83960967
Area
3.3916653160374E+14
Altitude
24237443.449436
Surface area
3.3916653160374E+14
Volume
2.5834632204873E+21
Height
13193193.137929