27991698 is an even 8-digits composite number following 27991697
and preceding 27991699 . In scientific notation, it is written as 2.7991698 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 7739280 positive integers (up to 27991698) that are relatively prime to 27991698.
27991698 has 32 divisors, whose sum is 66048000
The reverse of 27991698 is 89619972
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-seven million nine hundred ninety-one thousand six hundred ninety-eight
Scientific notation
2.7991698 × 10^7
Engineering notation
2.7991698 × 10^6
Prime Factorization
2 × 7 × 3 × 31 × 21499
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27991698
Product of the distinct prime numbers
The prime factorization of 27991698 is 2 × 7 × 3 × 31 × 21499.
Since it has a total of 5 prime factors.
3 , 7 , 96 , 68 , 30 , 400 , 4429 , 4845 , 81663 , 58596 , 136971 , 228966 , 3070231 , 4420533 , 24300361 , 60493907 , 540613083 , 409036746 , 4802338745 , 3345139323
n×2
55983396
n×3
83975094
n×4
111966792
n×5
139958490
n÷2
13995849
n÷3
9330566
n÷3
6997924.5
n÷5
5598339.6
n2
783535156923204
n3
2.1932479484977E+22
n4
6.1392734213467E+29
n5
1.7184868754976E+37
2 √n
5290.7180987083
3 √n
303.62888259992
4 √n
72.737322597882
5 √n
30.860705402853
1 , 2 , 3 , 6 , 7 , 14 , 21 , 31 , 42 , 62 , 93 , 186 , 217 , 434 , 651 , 1302 , 21499 , 42998 , 64497 , 128994 , 150493 , 300986 , 451479 , 666469 , 902958 , 1332938 , 1999407 , 3998814 , 4665283 , 9330566 , 13995849 , 27991698
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27991697
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27991698 can be divided by 32 positive divisors.
The sum of these divisors (counting 27991698) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101010110001111010010010
3
Ternary
1221200010101120
4
Quaternary
1222301322102
5
Quinary
24131213243
6
Senary
2435543110
8
Octal
152617222
10
Decimal
27991698
12
Duodecimal
945aa96
16
Hexadecimal
1ab1e92
20
Vigesimal
8eij4i
36
Base36
gnyj6
md5
f3abc990ec58e69c2efce804b25149d1
sha1
024fae387d91f134ac928066bcf73ee33145457e
sha256
2b595271330191a413724ffb6bdb1058ffc9798e50608ba40d0742b27191e712
sha512
1e8b3293eade14fcacac61fb3c5286a357868f3551ef33d522511fb6250ed6bbf37e882306879dd4ccb208419bdad09ad22beca168f02ed383e7dc3cd77f5a4a
ripemd-160
c0374890f4e572f8becf14a52f5b446432a3d12e
Diameter
55983396
Circumference
175877025.59661
Area
2.4615482928193E+15
Volume
9.187055523335E+22
Surface area
9.8461931712771E+15
Circumference
175877025.59661
Perimeter
111966792
Area
783535156923204
Diagonal
39586238.945452
Surface area
4701210941539224
Volume
2.1932479484977E+22
Space diagonal
48483043.126124
Perimeter
83975094
Area
3.3928067532686E+14
Altitude
24241521.563062
Surface area
3.3928067532686E+14
Volume
2.5847674953437E+21
Height
13195412.981817