28991003 is an odd 8-digits composite number following 28991002
and preceding 28991004 . In scientific notation, it is written as 2.8991003 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 28916088 positive integers (up to 28991003) that are relatively prime to 28991003.
28991003 has 4 divisors, whose sum is 29065920
The reverse of 28991003 is 30019982
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million nine hundred ninety-one thousand three
Scientific notation
2.8991003 × 10^7
Engineering notation
2.8991003 × 10^6
Prime Factorization
389 × 74527
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28991003
Product of the distinct prime numbers
The prime factorization of 28991003 is 389 × 74527.
Since it has a total of 2 prime factors.
4 , 7 , 41 , 86 , 872 , 271 , 3418 , 1858 , 43638 , 60288 , 935065 , 574884 , 1285741 , 7414191 , 42531692 , 14834710 , 938304512 , 463600473 , 782153483 , 286918311
n×2
57982006
n×3
86973009
n×4
115964012
n×5
144955015
n÷2
14495501.5
n÷3
9663667.6666667
n÷3
7247750.75
n÷5
5798200.6
n2
840478254946009
n3
2.4366307610575E+22
n4
7.0640369703709E+29
n5
2.0479351700013E+37
2 √n
5384.3293918556
3 √n
307.1999072887
4 √n
73.37798983248
5 √n
31.077970361634
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
-28991002
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 28991003 can be divided by 4 positive divisors.
The sum of these divisors (counting 28991003) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100101111000011011
3
Ternary
2000112220011212
4
Quaternary
1232211320123
5
Quinary
24410203003
6
Senary
2513213335
8
Octal
156457033
10
Decimal
28991003
12
Duodecimal
986124b
16
Hexadecimal
1ba5e1b
20
Vigesimal
913ha3
36
Base36
h9dln
md5
9f9c6339659884e4ce9435fab5f8e263
sha1
548859830058f5c649c2bf99f28a4e82c45a743b
sha256
fd68d393b69a2535107c92ed0945d65178705961bd8cb22f00f031bc968e84cb
sha512
425e3e1487e3c42635c9223ba62f40f43533c3ac1c85d5a5f5fe70d02b418166870de45466721843c02abc8395693aa07f8fa073cf2986ec2f895d476dedab51
ripemd-160
7bb74d56bcb91bd4bbd1f6fe170a1a60e8a7510e
Diameter
57982006
Circumference
182155844.09
Area
2.6404403112404E+15
Volume
1.0206535064599E+23
Surface area
1.0561761244961E+16
Circumference
182155844.09
Perimeter
115964012
Area
840478254946009
Diagonal
40999469.629399
Surface area
5042869529676054
Volume
2.4366307610575E+22
Space diagonal
50213890.158382
Perimeter
86973009
Area
3.6393776005583E+14
Altitude
25106945.079191
Surface area
3.6393776005583E+14
Volume
2.8715968906524E+21
Height
13666489.876466