28991601 is an odd 8-digits composite number following 28991600
and preceding 28991602 . In scientific notation, it is written as 2.8991601 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 14 positive divisors.
There are 19327248 positive integers (up to 28991601) that are relatively prime to 28991601.
28991601 has 14 divisors, whose sum is 43468610
The reverse of 28991601 is 10619982
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred ninety-one thousand six hundred one
Scientific notation
2.8991601 × 10^7
Engineering notation
2.8991601 × 10^6
Prime Factorization
27 × 9 × 3 × 39769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28991601
Product of the distinct prime numbers
The prime factorization of 28991601 is 27 × 9 × 3 × 39769.
Since it has a total of 4 prime factors.
6 , 7 , 30 , 58 , 18 , 271 , 6824 , 885 , 18554 , 21654 , 721757 , 25359 , 4281590 , 8390147 , 10456827 , 51717774 , 513077860 , 763450304 , 6721486985 , 5517085160
n×2
57983202
n×3
86974803
n×4
115966404
n×5
144958005
n÷2
14495800.5
n÷3
9663867
n÷3
7247900.25
n÷5
5798320.2
n2
840512928543201
n3
2.4367815459666E+22
n4
7.0646198304827E+29
n5
2.0481463934204E+37
2 √n
5384.3849230901
3 √n
307.20201948746
4 √n
73.378368223136
5 √n
31.078098570188
1 , 3 , 9 , 27 , 81 , 243 , 729 , 39769 , 119307 , 357921 , 1073763 , 3221289 , 9663867 , 28991601
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28991600
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28991601 can be divided by 14 positive divisors.
The sum of these divisors (counting 28991601) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1101110100110000001110001
3
Ternary
2000112221000000
4
Quaternary
1232212001301
5
Quinary
24410212401
6
Senary
2513220213
8
Octal
156460161
10
Decimal
28991601
12
Duodecimal
9861669
16
Hexadecimal
1ba6071
20
Vigesimal
913j01
36
Base36
h9e29
md5
98f25a849d53e401678c4f8b478603b4
sha1
21b6e6c0c36c87a7df9fb67bb34129ff906df2c9
sha256
ef9e007bf99a163f8ae7bf61ea922de1ccf4f962414de27e1d69ba10a6a5b506
sha512
82f9277ec05a569853742a0ffe03b0b72efd53f94758f0f62c64343f9c5b5e98db8523c1728e1c1a4f58f1ba4f23a7be33c1dad03f1af9e83bc831c69a8c5f18
ripemd-160
3ce908f1fdd163a2d1a220ed6d4a9905acf66d74
Diameter
57983202
Circumference
182159601.43481
Area
2.6405492415586E+15
Volume
1.0207166670949E+23
Surface area
1.0562196966234E+16
Circumference
182159601.43481
Perimeter
115966404
Area
840512928543201
Diagonal
41000315.329109
Surface area
5043077571259206
Volume
2.4367815459666E+22
Space diagonal
50214925.924765
Perimeter
86974803
Area
3.6395277416383E+14
Altitude
25107462.962382
Surface area
3.6395277416383E+14
Volume
2.871774592372E+21
Height
13666771.77637