28958265 is an odd 8-digits composite number following 28958264
and preceding 28958266 . In scientific notation, it is written as 2.8958265 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 12640320 positive integers (up to 28958265) that are relatively prime to 28958265.
28958265 has 32 divisors, whose sum is 41184000
The reverse of 28958265 is 56285982
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million nine hundred fifty-eight thousand two hundred sixty-five
Scientific notation
2.8958265 × 10^7
Engineering notation
2.8958265 × 10^6
Prime Factorization
5 × 9 × 49 × 23 × 571
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28958265
Product of the distinct prime numbers
The prime factorization of 28958265 is 5 × 9 × 49 × 23 × 571.
Since it has a total of 5 prime factors.
4 , 6 , 91 , 31 , 849 , 411 , 2847 , 4665 , 36200 , 5217 , 737191 , 640774 , 5799267 , 9832064 , 22864640 , 25510236 , 993604664 , 266705353 , 5645051190 , 4717316500
n×2
57916530
n×3
86874795
n×4
115833060
n×5
144791325
n÷2
14479132.5
n÷3
9652755
n÷3
7239566.25
n÷5
5791653
n2
838581111810225
n3
2.4283854059795E+22
n4
7.0321828108487E+29
n5
2.03639813365E+37
2 √n
5381.288414497
3 √n
307.08422888788
4 √n
73.35726558765
5 √n
31.070948248756
1 , 5 , 9 , 23 , 45 , 49 , 115 , 207 , 245 , 441 , 571 , 1035 , 1127 , 2205 , 2855 , 5139 , 5635 , 10143 , 13133 , 25695 , 27979 , 50715 , 65665 , 118197 , 139895 , 251811 , 590985 , 643517 , 1259055 , 3217585 , 5791653 , 28958265
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28958264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28958265 can be divided by 32 positive divisors.
The sum of these divisors (counting 28958265) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110011101111000111001
3
Ternary
2000111020021100
4
Quaternary
1232131320321
5
Quinary
24403131030
6
Senary
2512402013
8
Octal
156357071
10
Decimal
28958265
12
Duodecimal
9846309
16
Hexadecimal
1b9de39
20
Vigesimal
90jfd5
36
Base36
h8oc9
md5
5fb7ee85da62359904048a955a2f362f
sha1
72f6b66a8de294af63af450f517953c8eb3fc15f
sha256
7209feae6fa5037ac119d70a8f1ebd817a35e6987fa3faf7aa2708d7ff9bec8c
sha512
7949fd8a1c72c0b6bd2d1a6cf3ed260db1b1bccd08acac6c0db3fc353ef01538d7bf38292b5b0782e6d0650581bb1e40773d88fe556b1f9377b79bd64d78a477
ripemd-160
3c033099862d8cac856becef28b654e51a8c6e0f
Diameter
57916530
Circumference
181950145.16941
Area
2.6344802603022E+15
Volume
1.0171997002013E+23
Surface area
1.0537921041209E+16
Circumference
181950145.16941
Perimeter
115833060
Area
838581111810225
Diagonal
40953171.105794
Surface area
5031486670861350
Volume
2.4283854059795E+22
Space diagonal
50157186.279044
Perimeter
86874795
Area
3.6311627298073E+14
Altitude
25078593.139522
Surface area
3.6311627298073E+14
Volume
2.8618796465043E+21
Height
13651057.035265