28751946 is an even 8-digits composite number following 28751945
and preceding 28751947 . In scientific notation, it is written as 2.8751946 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 9498944 positive integers (up to 28751946) that are relatively prime to 28751946.
28751946 has 16 divisors, whose sum is 58014144
The reverse of 28751946 is 64915782
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million seven hundred fifty-one thousand nine hundred forty-six
Scientific notation
2.8751946 × 10^7
Engineering notation
2.8751946 × 10^6
Prime Factorization
2 × 3 × 113 × 42407
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28751946
Product of the distinct prime numbers
The prime factorization of 28751946 is 2 × 3 × 113 × 42407.
Since it has a total of 4 prime factors.
5 , 9 , 38 , 36 , 912 , 100 , 7092 , 2803 , 67417 , 98521 , 574504 , 235483 , 2038584 , 5545542 , 88067330 , 54051785 , 918687503 , 821901572 , 7049174120 , 6866644629
n×2
57503892
n×3
86255838
n×4
115007784
n×5
143759730
n÷2
14375973
n÷3
9583982
n÷3
7187986.5
n÷5
5750389.2
n2
826674398786916
n3
2.3768497673504E+22
n4
6.8339056160971E+29
n5
1.9648808524312E+37
2 √n
5362.0841097469
3 √n
306.35319548801
4 √n
73.226252872497
5 √n
31.026547282759
1 , 2 , 3 , 6 , 113 , 226 , 339 , 678 , 42407 , 84814 , 127221 , 254442 , 4791991 , 9583982 , 14375973 , 28751946
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
-28751945
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 28751946 can be divided by 16 positive divisors.
The sum of these divisors (counting 28751946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101011100001001010
3
Ternary
2000002202020220
4
Quaternary
1231223201022
5
Quinary
24330030241
6
Senary
2504130510
8
Octal
155534112
10
Decimal
28751946
12
Duodecimal
9766a36
16
Hexadecimal
1b6b84a
20
Vigesimal
8jdjh6
36
Base36
h4956
md5
69da37de85b46552138f4dbf9f2aeccf
sha1
d36b86b2d295b5e0b1660459a52d4e64fe10189b
sha256
10d44e88bd43456a3c9fc50658d1da69c78196669d1b6fa9b329f205b10e1363
sha512
3c6170711f62514fd331c5955688f695eb5388dd288e263c067fe284c601602eb283d8c720217a1c9676e52bb755d4dec132c613598cbce79321d7acc9d2b18e
ripemd-160
1c862a876cf28b49c3c457b96f33e4ec568a8b5a
Diameter
57503892
Circumference
180653804.66002
Area
2.5970742181397E+15
Volume
9.9561250237261E+22
Surface area
1.0388296872559E+16
Circumference
180653804.66002
Perimeter
115007784
Area
826674398786916
Diagonal
40661391.977819
Surface area
4960046392721496
Volume
2.3768497673504E+22
Space diagonal
49799831.288477
Perimeter
86255838
Area
3.5796051500385E+14
Altitude
24899915.644238
Surface area
3.5796051500385E+14
Volume
2.8011443139252E+21
Height
13553797.32594