27996945 is an odd 8-digits composite number following 27996944
and preceding 27996946 . In scientific notation, it is written as 2.7996945 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 14785920 positive integers (up to 27996945) that are relatively prime to 27996945.
27996945 has 16 divisors, whose sum is 45232512
The reverse of 27996945 is 54969972
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-seven million nine hundred ninety-six thousand nine hundred forty-five
Scientific notation
2.7996945 × 10^7
Engineering notation
2.7996945 × 10^6
Prime Factorization
3 × 5 × 103 × 18121
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27996945
Product of the distinct prime numbers
The prime factorization of 27996945 is 3 × 5 × 103 × 18121.
Since it has a total of 4 prime factors.
9 , 1 , 13 , 5 , 826 , 553 , 4087 , 8033 , 25074 , 59335 , 327892 , 77110 , 9798946 , 1214567 , 72428229 , 59132379 , 64041638 , 714814417 , 5115985679 , 7593609133
n×2
55993890
n×3
83990835
n×4
111987780
n×5
139984725
n÷2
13998472.5
n÷3
9332315
n÷3
6999236.25
n÷5
5599389
n2
783828929333025
n3
2.1944815423946E+22
n4
6.1438779045936E+29
n5
1.7200981178162E+37
2 √n
5291.2139438885
3 √n
303.647853001
4 √n
72.740730982638
5 √n
30.861862274305
1 , 3 , 5 , 15 , 103 , 309 , 515 , 1545 , 18121 , 54363 , 90605 , 271815 , 1866463 , 5599389 , 9332315 , 27996945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27996944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27996945 can be divided by 16 positive divisors.
The sum of these divisors (counting 27996945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110011001100010001
3
Ternary
1221200101120220
4
Quaternary
1222303030101
5
Quinary
24131400240
6
Senary
2440023253
8
Octal
152631421
10
Decimal
27996945
12
Duodecimal
9461b29
16
Hexadecimal
1ab3311
20
Vigesimal
8ejc75
36
Base36
go2kx
md5
a96959bbb5aa782258847c4d7581764e
sha1
5a4b263aa534ca1c5c498ee68dae2569c5e7e3b8
sha256
8cec66610775496de52d5882f934a03aaf557735eacf374921267db35b453492
sha512
82612fbc39eaf217023fbe9e29332a740f751c385d32da0c392e11b6557a29f1a1577b6fb6b97a76bcd2bfa4fe224a6969de18bc4a2cffa33563fcdd9cfd545e
ripemd-160
739e8d1f0a70ff02cc85a2b704364c36985ee3d5
Diameter
55993890
Circumference
175909993.46991
Area
2.4624712060638E+15
Volume
9.1922227893669E+22
Surface area
9.8498848242551E+15
Circumference
175909993.46991
Perimeter
111987780
Area
783828929333025
Diagonal
39593659.324014
Surface area
4702973575998150
Volume
2.1944815423946E+22
Space diagonal
48492131.196711
Perimeter
83990835
Area
3.3940788251178E+14
Altitude
24246065.598356
Surface area
3.3940788251178E+14
Volume
2.5862212996932E+21
Height
13197886.441338