28001591 is an odd 8-digits composite number following 28001590
and preceding 28001592 . In scientific notation, it is written as 2.8001591 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 27816000 positive integers (up to 28001591) that are relatively prime to 28001591.
28001591 has 4 divisors, whose sum is 28187184
The reverse of 28001591 is 19510082
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-eight million one thousand five hundred ninety-one
Scientific notation
2.8001591 × 10^7
Engineering notation
2.8001591 × 10^6
Prime Factorization
151 × 185441
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28001591
Product of the distinct prime numbers
The prime factorization of 28001591 is 151 × 185441.
Since it has a total of 2 prime factors.
9 , 3 , 9 , 14 , 169 , 387 , 2394 , 9 , 22131 , 85401 , 258081 , 118569 , 5191097 , 6419398 , 25210541 , 76950988 , 402812969 , 981780156 , 2328287644 , 8018577859
n×2
56003182
n×3
84004773
n×4
112006364
n×5
140007955
n÷2
14000795.5
n÷3
9333863.6666667
n÷3
7000397.75
n÷5
5600318.2
n2
784089098531281
n3
2.1955742244632E+22
n4
6.147957144356E+29
n5
1.7215258144178E+37
2 √n
5291.6529553628
3 √n
303.66464852275
4 √n
72.743748565515
5 √n
30.862886491022
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28001590
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28001591 can be divided by 4 positive divisors.
The sum of these divisors (counting 28001591) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110100010100110111
3
Ternary
1221200121221222
4
Quaternary
1222310110313
5
Quinary
24132022331
6
Senary
2440100555
8
Octal
152642467
10
Decimal
28001591
12
Duodecimal
946475b
16
Hexadecimal
1ab4537
20
Vigesimal
8f03jb
36
Base36
go65z
md5
d5de144e0e0f178fcb9482a586d9c4b9
sha1
c43e1e152024cedc341d2ce7860cf90036695a32
sha256
032fd530c8f2df6be6ef39fff73e831f7a0728b9f5be38cbaf44a8960ef27e37
sha512
29663d6bbd1fe8447bb052cf8caba54c03e79bf4da3fbfb677b6da93a57d8657508e4032ce194366188c485b07c1978a7ea75bde6c4e3b9a6acec661f418f5b4
ripemd-160
0774db5e5df770e6e716132d78fa2e8941cb72e4
Diameter
56003182
Circumference
175939185.14885
Area
2.4632885517057E+15
Volume
9.1967998053128E+22
Surface area
9.8531542068229E+15
Circumference
175939185.14885
Perimeter
112006364
Area
784089098531281
Diagonal
39600229.760224
Surface area
4704534591187686
Volume
2.1955742244632E+22
Space diagonal
48500178.304763
Perimeter
84004773
Area
3.3952053907926E+14
Altitude
24250089.152382
Surface area
3.3952053907926E+14
Volume
2.5875090378605E+21
Height
13200076.586741