27991630 is an even 8-digits composite number following 27991629
and preceding 27991631 . In scientific notation, it is written as 2.7991630 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 11196648 positive integers (up to 27991630) that are relatively prime to 27991630.
27991630 has 8 divisors, whose sum is 50384952
The reverse of 27991630 is 03619972
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-seven million nine hundred ninety-one thousand six hundred thirty
Scientific notation
2.7991630 × 10^7
Engineering notation
2.7991630 × 10^6
Prime Factorization
2 × 5 × 2799163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27991630
Product of the distinct prime numbers
The prime factorization of 27991630 is 2 × 5 × 2799163.
Since it has a total of 3 prime factors.
5 , 4 , 16 , 30 , 949 , 859 , 6724 , 5204 , 29151 , 42151 , 413479 , 542468 , 6199602 , 2948105 , 29310661 , 26300577 , 187267503 , 822527562 , 5537187613 , 592179303
n×2
55983260
n×3
83974890
n×4
111966520
n×5
139958150
n÷2
13995815
n÷3
9330543.3333333
n÷3
6997907.5
n÷5
5598326
n2
783531350056900
n3
2.1932319644193E+22
n4
6.1392137652199E+29
n5
1.7184660020694E+37
2 √n
5290.7116723556
3 √n
303.62863673201
4 √n
72.737278422798
5 √n
30.860690408908
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
-27991629
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 27991630 can be divided by 8 positive divisors.
The sum of these divisors (counting 27991630) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110001111001001110
3
Ternary
1221200010022001
4
Quaternary
1222301321032
5
Quinary
24131213010
6
Senary
2435542514
8
Octal
152617116
10
Decimal
27991630
12
Duodecimal
945aa3a
16
Hexadecimal
1ab1e4e
20
Vigesimal
8eij1a
36
Base36
gnyha
md5
9b8569021ddacde34a675c5bab413d4b
sha1
5632da41997c5f3bee8e6f41f9a326575fb3c416
sha256
88555837045c4df11e4d05dbcc5df958baf498e0b7858ee7b8af2f5562863127
sha512
585e68e8a7ceb4d5710ad3b2a1a4756ec79e454d6405e996245affb1f00e8f35c9262ec6c6874ce655eace6ec454d8fe05842333c30406d4101b914bc8bfd370
ripemd-160
826c52f7ab62479a7b1a9839affab0b8265f83bf
Diameter
55983260
Circumference
175876598.34001
Area
2.461536333196E+15
Volume
9.1869885693841E+22
Surface area
9.8461453327842E+15
Circumference
175876598.34001
Perimeter
111966520
Area
783531350056900
Diagonal
39586142.77893
Surface area
4701188100341400
Volume
2.1932319644193E+22
Space diagonal
48482925.346669
Perimeter
83974890
Area
3.392790269054E+14
Altitude
24241462.673335
Surface area
3.392790269054E+14
Volume
2.5847486579267E+21
Height
13195380.92631