28432878 is an even 8-digits composite number following 28432877
and preceding 28432879 . In scientific notation, it is written as 2.8432878 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 9468536 positive integers (up to 28432878) that are relatively prime to 28432878.
28432878 has 16 divisors, whose sum is 56920320
The reverse of 28432878 is 87823482
Previous prime number is 1619
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million four hundred thirty-two thousand eight hundred seventy-eight
Scientific notation
2.8432878 × 10^7
Engineering notation
2.8432878 × 10^6
Prime Factorization
2 × 3 × 1619 × 2927
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28432878
Product of the distinct prime numbers
The prime factorization of 28432878 is 2 × 3 × 1619 × 2927.
Since it has a total of 4 prime factors.
9 , 1 , 17 , 94 , 541 , 618 , 6127 , 5623 , 82679 , 55466 , 485623 , 472309 , 9006410 , 1019502 , 73952858 , 79741553 , 357643023 , 499425791 , 1853283196 , 7748471489
n×2
56865756
n×3
85298634
n×4
113731512
n×5
142164390
n÷2
14216439
n÷3
9477626
n÷3
7108219.5
n÷5
5686575.6
n2
808428551362884
n3
2.2985950372618E+22
n4
6.5355672265869E+29
n5
1.8582498561434E+37
2 √n
5332.2488689108
3 √n
305.21574988274
4 √n
73.02224913621
5 √n
30.957377588479
1 , 2 , 3 , 6 , 1619 , 2927 , 3238 , 4857 , 5854 , 8781 , 9714 , 17562 , 4738813 , 9477626 , 14216439 , 28432878
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
-28432877
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 28432878 can be divided by 16 positive divisors.
The sum of these divisors (counting 28432878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011101100111101110
3
Ternary
1222111112120120
4
Quaternary
1230131213232
5
Quinary
24234323003
6
Senary
2453225410
8
Octal
154354756
10
Decimal
28432878
12
Duodecimal
9632266
16
Hexadecimal
1b1d9ee
20
Vigesimal
8he23i
36
Base36
gxey6
md5
ecc077311fbf49b45c5cde3b54349073
sha1
e9ed95b12d88783abdbde33d8cb01dc459d69524
sha256
71a7def06c6cb451955b67707ee36a552dacb6cc3ec39171366ebb2f92ff7699
sha512
95eddc64366714342209e46c199aa1399cd897923b62af8680fdacab8171daaa4e5830ead4b19e17b3478e51c17b49cbba886b904fa1298009f94b5f3ded53b6
ripemd-160
c4406a9eb201e513ede19c4802bcaed46a0972d9
Diameter
56865756
Circumference
178649041.29043
Area
2.5397531979139E+15
Volume
9.6283323768527E+22
Surface area
1.0159012791656E+16
Circumference
178649041.29043
Perimeter
113731512
Area
808428551362884
Diagonal
40210161.6849
Surface area
4850571308177304
Volume
2.2985950372618E+22
Space diagonal
49247189.301407
Perimeter
85298634
Area
3.5005983131246E+14
Altitude
24623594.650704
Surface area
3.5005983131246E+14
Volume
2.7089202300826E+21
Height
13403387.2283