27991641 is an odd 8-digits composite number following 27991640
and preceding 27991642 . In scientific notation, it is written as 2.7991641 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 18017552 positive integers (up to 27991641) that are relatively prime to 27991641.
27991641 has 8 divisors, whose sum is 38609280
The reverse of 27991641 is 14619972
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-seven million nine hundred ninety-one thousand six hundred forty-one
Scientific notation
2.7991641 × 10^7
Engineering notation
2.7991641 × 10^6
Prime Factorization
3 × 29 × 321743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27991641
Product of the distinct prime numbers
The prime factorization of 27991641 is 3 × 29 × 321743.
Since it has a total of 3 prime factors.
2 , 1 , 29 , 28 , 267 , 907 , 1079 , 1571 , 47629 , 2511 , 10155 , 124679 , 7823349 , 8239232 , 48869613 , 38059449 , 918036936 , 901091999 , 6968279952 , 7612337471
n×2
55983282
n×3
83974923
n×4
111966564
n×5
139958205
n÷2
13995820.5
n÷3
9330547
n÷3
6997910.25
n÷5
5598328.2
n2
783531965872881
n3
2.1932345500738E+22
n4
6.1392234154462E+29
n5
1.7184693786396E+37
2 √n
5290.7127119132
3 √n
303.62867650479
4 √n
72.737285568773
5 √n
30.860692834401
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
-27991640
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 27991641 can be divided by 8 positive divisors.
The sum of these divisors (counting 27991641) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110001111001011001
3
Ternary
1221200010022110
4
Quaternary
1222301321121
5
Quinary
24131213031
6
Senary
2435542533
8
Octal
152617131
10
Decimal
27991641
12
Duodecimal
945aa49
16
Hexadecimal
1ab1e59
20
Vigesimal
8eij21
36
Base36
gnyhl
md5
b4d59841509fe6cb2c29258301867623
sha1
c144a5454f8dadc014d2833e3b3f19804b6fb93f
sha256
8ab1259dcce78fa8959c9832151b903da59c2aae574abff82e3348c29f1ab0a1
sha512
398d9534c8b9b18348e8a0da47d92c18f4c63c10b2d22a98e01cab954c9381a1c305f904b12f82c05b109fe4ed3bb3c37a3da179987c4f538f64cc5df5645e22
ripemd-160
4736ef1ff595b7f1d32fa202668bf607d7bcfe14
Diameter
55983282
Circumference
175876667.45505
Area
2.461538267839E+15
Volume
9.1869994001482E+22
Surface area
9.846153071356E+15
Circumference
175876667.45505
Perimeter
111966564
Area
783531965872881
Diagonal
39586158.335279
Surface area
4701191795237286
Volume
2.1932345500738E+22
Space diagonal
48482944.399228
Perimeter
83974923
Area
3.3927929356154E+14
Altitude
24241472.199614
Surface area
3.3927929356154E+14
Volume
2.5847517051497E+21
Height
13195386.11176