28931470 is an even 8-digits composite number following 28931469
and preceding 28931471 . In scientific notation, it is written as 2.8931470 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 11069344 positive integers (up to 28931470) that are relatively prime to 28931470.
28931470 has 16 divisors, whose sum is 54341280
The reverse of 28931470 is 07413982
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million nine hundred thirty-one thousand four hundred seventy
Scientific notation
2.8931470 × 10^7
Engineering notation
2.8931470 × 10^6
Prime Factorization
2 × 5 × 23 × 125789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931470
Product of the distinct prime numbers
The prime factorization of 28931470 is 2 × 5 × 23 × 125789.
Since it has a total of 4 prime factors.
3 , 2 , 75 , 42 , 819 , 319 , 343 , 6428 , 72654 , 31270 , 535121 , 934299 , 2334425 , 5101977 , 54797036 , 40294348 , 183061764 , 960934792 , 5858623933 , 6358315521
n×2
57862940
n×3
86794410
n×4
115725880
n×5
144657350
n÷2
14465735
n÷3
9643823.3333333
n÷3
7232867.5
n÷5
5786294
n2
837029956360900
n3
2.4216507071557E+22
n4
7.0061914784553E+29
n5
2.0269941857319E+37
2 √n
5378.7981929052
3 √n
306.98948493943
4 √n
73.340290379199
5 √n
31.065196147444
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 125789 , 251578 , 628945 , 1257890 , 2893147 , 5786294 , 14465735 , 28931470
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931469
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931470 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931470) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010110001110
3
Ternary
2000102212111221
4
Quaternary
1232113112032
5
Quinary
24401301340
6
Senary
2512033554
8
Octal
156272616
10
Decimal
28931470
12
Duodecimal
98328ba
16
Hexadecimal
1b9758e
20
Vigesimal
90g8da
36
Base36
h83ny
md5
939a7bf1e6c67e2c9ade5035780d8955
sha1
6a33208fe56ba42723963045c8a8bc6bc1db09e6
sha256
43a80052a909625f8738678332f4dc41b3d0da11ced5c681c47b15d502d43420
sha512
0af26e14f8a662b6eb724f4e5f090a41ecb76ac4ddcd0e688834539d1716c77042d8363633073d502d06280ea5242aba677bc4d47b4fa89ead61619eb21b9b88
ripemd-160
990f97a85b9b7cf786da6d564bea8e9f74b2973e
Diameter
57862940
Circumference
181781787.21911
Area
2.629607161738E+15
Volume
1.0143786761548E+23
Surface area
1.0518428646952E+16
Circumference
181781787.21911
Perimeter
115725880
Area
837029956360900
Diagonal
40915277.25339
Surface area
5022179738165400
Volume
2.4216507071557E+22
Space diagonal
50110775.977655
Perimeter
86794410
Area
3.6244460296856E+14
Altitude
25055387.988827
Surface area
3.6244460296856E+14
Volume
2.853942727825E+21
Height
13638425.75113