27991664 is an even 8-digits composite number following 27991663
and preceding 27991665 . In scientific notation, it is written as 2.7991664 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 13908672 positive integers (up to 27991664) that are relatively prime to 27991664.
27991664 has 20 divisors, whose sum is 54571656
The reverse of 27991664 is 46619972
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-seven million nine hundred ninety-one thousand six hundred sixty-four
Scientific notation
2.7991664 × 10^7
Engineering notation
2.7991664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 163 × 10733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3498958
Product of the distinct prime numbers
The prime factorization of 27991664 is 2 × 2 × 2 × 2 × 163 × 10733.
Since it has a total of 6 prime factors.
8 , 5 , 77 , 73 , 603 , 486 , 1629 , 5507 , 68585 , 32248 , 486606 , 975640 , 1145 , 5145764 , 16251036 , 59505305 , 390344710 , 576478789 , 3500090730 , 8976847318
n×2
55983328
n×3
83974992
n×4
111966656
n×5
139958320
n÷2
13995832
n÷3
9330554.6666667
n÷3
6997916
n÷5
5598332.8
n2
783533253488896
n3
2.1932399564488E+22
n4
6.1392435932289E+29
n5
1.7184764387582E+37
2 √n
5290.714885533
3 √n
303.62875966602
4 √n
72.73730051035
5 √n
30.860697905884
1 , 2 , 4 , 8 , 16 , 163 , 326 , 652 , 1304 , 2608 , 10733 , 21466 , 42932 , 85864 , 171728 , 1749479 , 3498958 , 6997916 , 13995832 , 27991664
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27991663
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27991664 can be divided by 20 positive divisors.
The sum of these divisors (counting 27991664) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101010110001111001110000
3
Ternary
1221200010100022
4
Quaternary
1222301321300
5
Quinary
24131213124
6
Senary
2435543012
8
Octal
152617160
10
Decimal
27991664
12
Duodecimal
945aa68
16
Hexadecimal
1ab1e70
20
Vigesimal
8eij34
36
Base36
gnyi8
md5
64f48a094cb2ca80141cd7fe4a76d78e
sha1
913ac3b469bbee16d16f263c1794e030aa0981c2
sha256
311d17435215ea0efda3c421f4db15473d34dc9e5b564c75aeeea7284253e036
sha512
ef5064862c537eef3c948caca3448f20377bc9250fef599119876a1e7fecf0a7ca63abca0c70841ab2d61d43eb885c14d8b7f6fb41dc6784d2d0f86e84ad0db0
ripemd-160
3f961bd88a868f2ea443ecc8f19ad988dd286a09
Diameter
55983328
Circumference
175876811.96831
Area
2.461542313004E+15
Volume
9.1870220463189E+22
Surface area
9.8461692520161E+15
Circumference
175876811.96831
Perimeter
111966656
Area
783533253488896
Diagonal
39586190.862191
Surface area
4701199520933376
Volume
2.1932399564488E+22
Space diagonal
48482984.236397
Perimeter
83974992
Area
3.3927985111563E+14
Altitude
24241492.118198
Surface area
3.3927985111563E+14
Volume
2.5847580766237E+21
Height
13195396.954064