28693457 is an odd 8-digits composite number following 28693456
and preceding 28693458 . In scientific notation, it is written as 2.8693457 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 26442000 positive integers (up to 28693457) that are relatively prime to 28693457.
28693457 has 8 divisors, whose sum is 30952320
The reverse of 28693457 is 75439682
Previous prime number is 751
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million six hundred ninety-three thousand four hundred fifty-seven
Scientific notation
2.8693457 × 10^7
Engineering notation
2.8693457 × 10^6
Prime Factorization
13 × 751 × 2939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28693457
Product of the distinct prime numbers
The prime factorization of 28693457 is 13 × 751 × 2939.
Since it has a total of 3 prime factors.
6 , 6 , 48 , 8 , 470 , 685 , 9394 , 1857 , 32263 , 89095 , 450798 , 65101 , 7565433 , 2401518 , 21045307 , 84420903 , 633308058 , 893159576 , 7797374551 , 1985440032
n×2
57386914
n×3
86080371
n×4
114773828
n×5
143467285
n÷2
14346728.5
n÷3
9564485.6666667
n÷3
7173364.25
n÷5
5738691.4
n2
823314474610849
n3
2.3623738474724E+22
n4
6.7784672410374E+29
n5
1.9449765830661E+37
2 √n
5356.6273904389
3 √n
306.14532021388
4 √n
73.188984078472
5 √n
31.013913771491
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
-28693456
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 28693457 can be divided by 8 positive divisors.
The sum of these divisors (counting 28693457) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101011101001111010001
3
Ternary
1222222210000122
4
Quaternary
1231131033101
5
Quinary
24321142312
6
Senary
2503000025
8
Octal
155351721
10
Decimal
28693457
12
Duodecimal
9739015
16
Hexadecimal
1b5d3d1
20
Vigesimal
8j6dch
36
Base36
h300h
md5
e2065ad3972cf5bbb675e4a5599b633c
sha1
c55c80ed4fa2d1ee72493ace10c30152d85f69a9
sha256
d68692f0590f65ffadb5d6b3fb0962fbde8ae84ad7704e0ef8e27bc2077e483d
sha512
e7f47720276bef62a79d2637a4a660c9fe6a70ed3b18d1260a4ba3de8f03f397fbc5f44e18a2697356d2df74def855f2e8c716f0c2b03e4f0d54c519594ae721
ripemd-160
25afd715adb5b80216050dc5801b4eb73caca983
Diameter
57386914
Circumference
180286307.43459
Area
2.5865187050316E+15
Volume
9.8954884323359E+22
Surface area
1.0346074820126E+16
Circumference
180286307.43459
Perimeter
114773828
Area
823314474610849
Diagonal
40578676.040769
Surface area
4939886847665094
Volume
2.3623738474724E+22
Space diagonal
49698525.368793
Perimeter
86080371
Area
3.5650562515822E+14
Altitude
24849262.684396
Surface area
3.5650562515822E+14
Volume
2.7840842787425E+21
Height
13526225.346923