27990531 is an odd 8-digits composite number following 27990530
and preceding 27990532 . In scientific notation, it is written as 2.7990531 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 18660348 positive integers (up to 27990531) that are relatively prime to 27990531.
27990531 has 4 divisors, whose sum is 31100600
The reverse of 27990531 is 13509972
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-seven million nine hundred ninety thousand five hundred thirty-one
Scientific notation
2.7990531 × 10^7
Engineering notation
2.7990531 × 10^6
Prime Factorization
9 × 3110059
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27990531
Product of the distinct prime numbers
The prime factorization of 27990531 is 9 × 3110059.
Since it has a total of 2 prime factors.
1 , 9 , 52 , 90 , 881 , 134 , 3916 , 8334 , 85920 , 37729 , 798246 , 636720 , 8945521 , 1861952 , 46818436 , 88154491 , 400509958 , 957515736 , 3917566590 , 8757834510
n×2
55981062
n×3
83971593
n×4
111962124
n×5
139952655
n÷2
13995265.5
n÷3
9330177
n÷3
6997632.75
n÷5
5598106.2
n2
783469825661961
n3
2.1929736442756E+22
n4
6.1382496772278E+29
n5
1.7181286787619E+37
2 √n
5290.6078100725
3 √n
303.6246630175
4 √n
72.736564464322
5 √n
30.860448076243
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
-27990530
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 27990531 can be divided by 4 positive divisors.
The sum of these divisors (counting 27990531) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110001101000000011
3
Ternary
1221200001210100
4
Quaternary
1222301220003
5
Quinary
24131144111
6
Senary
2435533443
8
Octal
152615003
10
Decimal
27990531
12
Duodecimal
945a283
16
Hexadecimal
1ab1a03
20
Vigesimal
8eig6b
36
Base36
gnxmr
md5
598f621f5bcc88e392a42706be3c2f6e
sha1
b16f8f6aa99854469c52837faa68c2534ffc096b
sha256
85173484c32f81ad4672d60e0dba760e119ceaa76fa9d06d3c60cd2b18078604
sha512
32c9b254f30bb8987cad7a4ba9a0e217190e47058393e1f7c71fe0032feb7d0ccff7e27559acb9154b8f8f99768e998394d93543000514a3c0666347bae0fb0b
ripemd-160
c10c4617da9ab87b20e650bea3aee58b203373c5
Diameter
55981062
Circumference
175869693.11935
Area
2.4613430486089E+15
Volume
9.1859065204962E+22
Surface area
9.8453721944356E+15
Circumference
175869693.11935
Perimeter
111962124
Area
783469825661961
Diagonal
39584588.558225
Surface area
4700818953971766
Volume
2.1929736442756E+22
Space diagonal
48481021.822832
Perimeter
83971593
Area
3.3925238606091E+14
Altitude
24240510.911416
Surface area
3.3925238606091E+14
Volume
2.5844442247177E+21
Height
13194862.852742