27996988 is an even 8-digits composite number following 27996987
and preceding 27996989 . In scientific notation, it is written as 2.7996988 × 10^7.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 13979952 positive integers (up to 27996988) that are relatively prime to 27996988.
27996988 has 12 divisors, whose sum is 49059640
The reverse of 27996988 is 88969972
Previous prime number is 829
Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4
Name
twenty-seven million nine hundred ninety-six thousand nine hundred eighty-eight
Scientific notation
2.7996988 × 10^7
Engineering notation
2.7996988 × 10^6
Prime Factorization
2 × 2 × 829 × 8443
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13998494
Product of the distinct prime numbers
The prime factorization of 27996988 is 2 × 2 × 829 × 8443.
Since it has a total of 4 prime factors.
3 , 9 , 56 , 80 , 997 , 984 , 9198 , 7559 , 65256 , 3550 , 57964 , 215067 , 70512 , 9612923 , 49768900 , 35295154 , 942866809 , 459074553 , 5157535650 , 542192890
n×2
55993976
n×3
83990964
n×4
111987952
n×5
139984940
n÷2
13998494
n÷3
9332329.3333333
n÷3
6999247
n÷5
5599397.6
n2
783831337072144
n3
2.1944916538033E+22
n4
6.1439156497631E+29
n5
1.7201113271943E+37
2 √n
5291.2180072267
3 √n
303.64800845666
4 √n
72.740758912914
5 √n
30.861871754334
1 , 2 , 4 , 829 , 1658 , 3316 , 8443 , 16886 , 33772 , 6999247 , 13998494 , 27996988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27996987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27996988 can be divided by 12 positive divisors.
The sum of these divisors (counting 27996988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101010110011001100111100
3
Ternary
1221200101122111
4
Quaternary
1222303030330
5
Quinary
24131400423
6
Senary
2440023404
8
Octal
152631474
10
Decimal
27996988
12
Duodecimal
9461b64
16
Hexadecimal
1ab333c
20
Vigesimal
8ejc98
36
Base36
go2m4
md5
58ccf60a22862075a7e23b78faef9dc9
sha1
abaeeb2f5f164af3739e4fcc3eac4da6c07061de
sha256
141ece4b58a0d76fd65f6dbb62eab98966de77e25836e39548eaccc92079c3f9
sha512
e3ae945720a3db5e0931175edb5c3f7c7d9d4248fd96536cedb8544df8f484d68d77b4eb32b4c1613b8db7f2de641b0f8dc700abc36f8937413a5e493fef626b
ripemd-160
8663a1065d68e1e310baef85d20b2746f0ab72f8
Diameter
55993976
Circumference
175910263.64688
Area
2.4624787701993E+15
Volume
9.1922651439367E+22
Surface area
9.8499150807972E+15
Circumference
175910263.64688
Perimeter
111987952
Area
783831337072144
Diagonal
39593720.135197
Surface area
4702988022432864
Volume
2.1944916538033E+22
Space diagonal
48492205.674896
Perimeter
83990964
Area
3.394089250934E+14
Altitude
24246102.837448
Surface area
3.394089250934E+14
Volume
2.5862332161026E+21
Height
13197906.711732