27998889 is an odd 8-digits composite number following 27998888
and preceding 27998890 . In scientific notation, it is written as 2.7998889 × 10^7.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 17854320 positive integers (up to 27998889) that are relatively prime to 27998889.
27998889 has 8 divisors, whose sum is 38955072
The reverse of 27998889 is 98889972
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
twenty-seven million nine hundred ninety-eight thousand eight hundred eighty-nine
Scientific notation
2.7998889 × 10^7
Engineering notation
2.7998889 × 10^6
Prime Factorization
3 × 23 × 405781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27998889
Product of the distinct prime numbers
The prime factorization of 27998889 is 3 × 23 × 405781.
Since it has a total of 3 prime factors.
1 , 9 , 42 , 2 , 677 , 673 , 7603 , 2297 , 1891 , 49812 , 705885 , 804523 , 423285 , 1040376 , 41592698 , 88757404 , 312978434 , 676776579 , 3863134628 , 3825590740
n×2
55997778
n×3
83996667
n×4
111995556
n×5
139994445
n÷2
13999444.5
n÷3
9332963
n÷3
6999722.25
n÷5
5599777.8
n2
783937785234321
n3
2.1949387031682E+22
n4
6.1455845111809E+29
n5
1.7206953856867E+37
2 √n
5291.3976414554
3 √n
303.65488088403
4 √n
72.74199365879
5 √n
30.862290848165
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27998888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27998889 can be divided by 8 positive divisors.
The sum of these divisors (counting 27998889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110011101010101001
3
Ternary
1221200111020220
4
Quaternary
1222303222221
5
Quinary
24131431024
6
Senary
2440040253
8
Octal
152635251
10
Decimal
27998889
12
Duodecimal
9463089
16
Hexadecimal
1ab3aa9
20
Vigesimal
8ejh49
36
Base36
go42x
md5
0432b23b26c168712fabcdb9aaf5902e
sha1
040e00c276c0f5fd5aa366d3b7bf355df1a1e577
sha256
2b82abd6b4e61e920b158482b23d9bf0b98c13076c8d40f925b3e27eb73def8b
sha512
073f8e072e446d5d9601d67eb5bdb625a63ba8cfc094180144750966c9f964cf318c13969c7590066f293b6d138c9aacec590d7e635d5d57dd691d93fb1439bc
ripemd-160
8435fa8e20958cce7052f0fceb52ccb547045260
Diameter
55997778
Circumference
175922207.98215
Area
2.4628131869636E+15
Volume
9.1941377399373E+22
Surface area
9.8512527478544E+15
Circumference
175922207.98215
Perimeter
111995556
Area
783937785234321
Diagonal
39596408.555179
Surface area
4703626711405926
Volume
2.1949387031682E+22
Space diagonal
48495498.303481
Perimeter
83996667
Area
3.3945501849972E+14
Altitude
24247749.151741
Surface area
3.3945501849972E+14
Volume
2.5867600688317E+21
Height
13198802.851726