27991631 is an odd 8-digits composite number following 27991630
and preceding 27991632 . In scientific notation, it is written as 2.7991631 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 27518400 positive integers (up to 27991631) that are relatively prime to 27991631.
27991631 has 8 divisors, whose sum is 28467504
The reverse of 27991631 is 13619972
Previous prime number is 547
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-seven million nine hundred ninety-one thousand six hundred thirty-one
Scientific notation
2.7991631 × 10^7
Engineering notation
2.7991631 × 10^6
Prime Factorization
73 × 547 × 701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27991631
Product of the distinct prime numbers
The prime factorization of 27991631 is 73 × 547 × 701.
Since it has a total of 3 prime factors.
6 , 6 , 98 , 37 , 479 , 424 , 7562 , 3834 , 72772 , 55050 , 915549 , 506127 , 3977560 , 3028581 , 91073396 , 68560515 , 661033526 , 235714692 , 4303755744 , 6664074500
n×2
55983262
n×3
83974893
n×4
111966524
n×5
139958155
n÷2
13995815.5
n÷3
9330543.6666667
n÷3
6997907.75
n÷5
5598326.2
n2
783531406040161
n3
2.1932321994787E+22
n4
6.1392146425127E+29
n5
1.7184663090301E+37
2 √n
5290.7117668609
3 √n
303.62864034772
4 √n
72.737279072432
5 √n
30.860690629407
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
-27991630
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 27991631 can be divided by 8 positive divisors.
The sum of these divisors (counting 27991631) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110001111001001111
3
Ternary
1221200010022002
4
Quaternary
1222301321033
5
Quinary
24131213011
6
Senary
2435542515
8
Octal
152617117
10
Decimal
27991631
12
Duodecimal
945aa3b
16
Hexadecimal
1ab1e4f
20
Vigesimal
8eij1b
36
Base36
gnyhb
md5
08039847c0da41c4268bc5c1d2f850f4
sha1
1ab9907993c2a48107a9f66185a8948c55b6e530
sha256
aa4bc7e4fe0d82f44f7bac843237a28525742612bf421f0102debb37e2eb26c3
sha512
36e17a50f41ab90fae5d603576f078eb2fed8430eeb61dc0e9a57f9451be2c0991cccbc95591fa3962cb5473c2fa9fe601643aab9ef44a67f5633a0ec4516b21
ripemd-160
cc0868e8a1cc79ba7dd166272053c230fc1229db
Diameter
55983262
Circumference
175876604.62319
Area
2.4615365090727E+15
Volume
9.1869895539986E+22
Surface area
9.8461460362906E+15
Circumference
175876604.62319
Perimeter
111966524
Area
783531406040161
Diagonal
39586144.193143
Surface area
4701188436240966
Volume
2.1932321994787E+22
Space diagonal
48482927.07872
Perimeter
83974893
Area
3.3927905114686E+14
Altitude
24241463.53936
Surface area
3.3927905114686E+14
Volume
2.5847489349468E+21
Height
13195381.397714