28913897 is an odd 8-digits composite number following 28913896
and preceding 28913898 . In scientific notation, it is written as 2.8913897 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 28013440 positive integers (up to 28913897) that are relatively prime to 28913897.
28913897 has 8 divisors, whose sum is 29824200
The reverse of 28913897 is 79831982
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million nine hundred thirteen thousand eight hundred ninety-seven
Scientific notation
2.8913897 × 10^7
Engineering notation
2.8913897 × 10^6
Prime Factorization
4733 × 41 × 149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28913897
Product of the distinct prime numbers
The prime factorization of 28913897 is 4733 × 41 × 149.
Since it has a total of 3 prime factors.
6 , 8 , 58 , 90 , 199 , 433 , 8245 , 5657 , 23398 , 60386 , 141021 , 661935 , 4097733 , 3764472 , 95646589 , 97536076 , 103161194 , 635743357 , 3971615749 , 9641794153
n×2
57827794
n×3
86741691
n×4
115655588
n×5
144569485
n÷2
14456948.5
n÷3
9637965.6666667
n÷3
7228474.25
n÷5
5782779.4
n2
836013439726609
n3
2.4172406486871E+22
n4
6.9891847140352E+29
n5
2.0208456693559E+37
2 √n
5377.1644014294
3 √n
306.92731712423
4 √n
73.32915110261
5 √n
31.061421424802
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
-28913896
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 28913897 can be divided by 8 positive divisors.
The sum of these divisors (counting 28913897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110010011000011101001
3
Ternary
2000101222102002
4
Quaternary
1232103003221
5
Quinary
24400221042
6
Senary
2511420345
8
Octal
156230351
10
Decimal
28913897
12
Duodecimal
98246b5
16
Hexadecimal
1b930e9
20
Vigesimal
90e4eh
36
Base36
h7q3t
md5
a9240531b7680b9fdcddc44d12788c02
sha1
2879a499eb597c759fd118f106cc02270367c97b
sha256
b6b2a30aacb229ea556efa634d17bc3504058991f0af45e26421b18640a80b5d
sha512
a6e32da28b01d6e387c9650024cc015b1b8212ff5d75c5a5850814bc5b9406edc112579a7118d211f2a8d6585bcd488927b99afd52ea660a633133a4ce290946
ripemd-160
962c61bb47e459da824d80354976ec5aff1dc604
Diameter
57827794
Circumference
181671372.8037
Area
2.6264136805474E+15
Volume
1.0125313951832E+23
Surface area
1.050565472219E+16
Circumference
181671372.8037
Perimeter
115655588
Area
836013439726609
Diagonal
40890425.278459
Surface area
5016080638359654
Volume
2.4172406486871E+22
Space diagonal
50080338.648813
Perimeter
86741691
Area
3.6200443835423E+14
Altitude
25040169.324407
Surface area
3.6200443835423E+14
Volume
2.8487454240773E+21
Height
13630141.759486