28996945 is an odd 8-digits composite number following 28996944
and preceding 28996946 . In scientific notation, it is written as 2.8996945 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 21976560 positive integers (up to 28996945) that are relatively prime to 28996945.
28996945 has 8 divisors, whose sum is 36627840
The reverse of 28996945 is 54969982
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million nine hundred ninety-six thousand nine hundred forty-five
Scientific notation
2.8996945 × 10^7
Engineering notation
2.8996945 × 10^6
Prime Factorization
5 × 19 × 305231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28996945
Product of the distinct prime numbers
The prime factorization of 28996945 is 5 × 19 × 305231.
Since it has a total of 3 prime factors.
8 , 2 , 77 , 43 , 345 , 786 , 9352 , 9050 , 64871 , 63609 , 458923 , 727721 , 7481466 , 2247380 , 66872733 , 21096312 , 614236561 , 167572469 , 4795744899 , 4318818079
n×2
57993890
n×3
86990835
n×4
115987780
n×5
144984725
n÷2
14498472.5
n÷3
9665648.3333333
n÷3
7249236.25
n÷5
5799389
n2
840822819333025
n3
2.4381293046945E+22
n4
7.0698301351114E+29
n5
2.0500347558717E+37
2 √n
5384.8811500348
3 √n
307.22089376685
4 √n
73.381749434275
5 √n
31.079244206227
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28996944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28996945 can be divided by 8 positive divisors.
The sum of these divisors (counting 28996945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100111010101010001
3
Ternary
2000120012022221
4
Quaternary
1232213111101
5
Quinary
24410400240
6
Senary
2513301041
8
Octal
156472521
10
Decimal
28996945
12
Duodecimal
9864781
16
Hexadecimal
1ba7551
20
Vigesimal
914c75
36
Base36
h9i6p
md5
1731c2c6e84176160f7090ad4f243b24
sha1
e3de045fe57c17a0b327b699e71ee16bdb1a6b26
sha256
d9bde68ffa274284cedd845e930289fd0276c75ce54a8636012305c84237fbaa
sha512
1c868ea840a7a16d0e7f51f98210e30dc58e8fe9653762a4b046041656b45fc2d0111630bd2ffe2431d31df46bf7722b7cde68646fcea847b5efb71922029bb0
ripemd-160
f677ec443a67c948547f267b2d214f8a3fe5d7af
Diameter
57993890
Circumference
182193178.77709
Area
2.6415227921873E+15
Volume
1.0212812149507E+23
Surface area
1.0566091168749E+16
Circumference
182193178.77709
Perimeter
115987780
Area
840822819333025
Diagonal
41007872.886387
Surface area
5044936915998150
Volume
2.4381293046945E+22
Space diagonal
50224182.00428
Perimeter
86990835
Area
3.6408696081203E+14
Altitude
25112091.00214
Surface area
3.6408696081203E+14
Volume
2.8733629412652E+21
Height
13669290.962129