27998738 is an even 8-digits composite number following 27998737
and preceding 27998739 . In scientific notation, it is written as 2.7998738 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 13999368 positive integers (up to 27998738) that are relatively prime to 27998738.
27998738 has 4 divisors, whose sum is 41998110
The reverse of 27998738 is 83789972
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-seven million nine hundred ninety-eight thousand seven hundred thirty-eight
Scientific notation
2.7998738 × 10^7
Engineering notation
2.7998738 × 10^6
Prime Factorization
2 × 13999369
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27998738
Product of the distinct prime numbers
The prime factorization of 27998738 is 2 × 13999369.
Since it has a total of 2 prime factors.
7 , 9 , 68 , 53 , 27 , 780 , 7148 , 5446 , 43029 , 10768 , 57956 , 897770 , 3660765 , 3034132 , 10401911 , 87135150 , 237056813 , 819285086 , 2118488169 , 6485506267
n×2
55997476
n×3
83996214
n×4
111994952
n×5
139993690
n÷2
13999369
n÷3
9332912.6666667
n÷3
6999684.5
n÷5
5599747.6
n2
783929329592644
n3
2.194903190978E+22
n4
6.1454519379557E+29
n5
1.7206489870241E+37
2 √n
5291.3833729942
3 √n
303.65433500559
4 √n
72.741895582905
5 √n
30.862257559588
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
-27998737
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 27998738 can be divided by 4 positive divisors.
The sum of these divisors (counting 27998738) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110011101000010010
3
Ternary
1221200111001022
4
Quaternary
1222303220102
5
Quinary
24131424423
6
Senary
2440035442
8
Octal
152635022
10
Decimal
27998738
12
Duodecimal
9462b82
16
Hexadecimal
1ab3a12
20
Vigesimal
8ejggi
36
Base36
go3yq
md5
0429142bda751630182e8f0e10f42b95
sha1
e1cd7f911f650ac103b2e3136501e2397d8a9288
sha256
2767924cdbaa4ae9eeaf587ff5bf66c22d3209cc1d0418b5c4ddd77b998f911a
sha512
b86dbbaabf5c1760a09bbcb31ffff0b96f974da63cdcb8b57c3e2d0e696ae592b5a1ea0e2a3fe46682941fa19a5473863d00284586d24317e8e8ee70f42650f5
ripemd-160
b93383705f5216f91291dd6aa575bc7219f47f6d
Diameter
55997476
Circumference
175921259.22117
Area
2.4627866227818E+15
Volume
9.1939889868231E+22
Surface area
9.8511464911273E+15
Circumference
175921259.22117
Perimeter
111994952
Area
783929329592644
Diagonal
39596195.008931
Surface area
4703575977555864
Volume
2.194903190978E+22
Space diagonal
48495236.763809
Perimeter
83996214
Area
3.3945135709947E+14
Altitude
24247618.381905
Surface area
3.3945135709947E+14
Volume
2.5867182173142E+21
Height
13198731.669644