28778090 is an even 8-digits composite number following 28778089
and preceding 28778091 . In scientific notation, it is written as 2.8778090 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 10464720 positive integers (up to 28778090) that are relatively prime to 28778090.
28778090 has 8 divisors, whose sum is 43952160
The reverse of 28778090 is 09087782
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million seven hundred seventy-eight thousand ninety
Scientific notation
2.8778090 × 10^7
Engineering notation
2.8778090 × 10^6
Prime Factorization
2 × 55 × 261619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28778090
Product of the distinct prime numbers
The prime factorization of 28778090 is 2 × 55 × 261619.
Since it has a total of 3 prime factors.
2 , 4 , 15 , 43 , 192 , 40 , 8399 , 893 , 81452 , 27086 , 87729 , 817070 , 2704235 , 8249525 , 37220460 , 85587048 , 647766930 , 606544232 , 6855879018 , 8124667279
n×2
57556180
n×3
86334270
n×4
115112360
n×5
143890450
n÷2
14389045
n÷3
9592696.6666667
n÷3
7194522.5
n÷5
5755618
n2
828178464048100
n3
2.3833394374438E+22
n4
6.8587956831307E+29
n5
1.9738303946075E+37
2 √n
5364.5214138821
3 √n
306.44602249832
4 √n
73.242893265368
5 √n
31.032187688318
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
-28778089
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 28778090 can be divided by 8 positive divisors.
The sum of these divisors (counting 28778090) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101110001111001101010
3
Ternary
2000011002010012
4
Quaternary
1231301321222
5
Quinary
24331344330
6
Senary
2504451522
8
Octal
155617152
10
Decimal
28778090
12
Duodecimal
9779ba2
16
Hexadecimal
1b71e6a
20
Vigesimal
8jh54a
36
Base36
h4tbe
md5
494b3dd37a19fb07ce508d2461fc3ef5
sha1
3533ee3c11a197b5af1f16d0dca8a9ec31584c1b
sha256
cea92264cc263e3df45104365be3f3a2fe7feb0c0a2ef072925eca1f31afcb50
sha512
4d15f956bfc7d311f16e27f1f14f773557ce0d9b51fe19612852d37607dbdf2f0e9725a2b84d52596c7f78d6298406ae5efe65679e0ac9e724d9ec6dba92b5e4
ripemd-160
0ff55ba074952fead53a7196658a4d17db70c66f
Diameter
57556180
Circumference
180818072.25669
Area
2.6017993785148E+15
Volume
9.9833088902457E+22
Surface area
1.0407197514059E+16
Circumference
180818072.25669
Perimeter
115112360
Area
828178464048100
Diagonal
40698365.177194
Surface area
4969070784288600
Volume
2.3833394374438E+22
Space diagonal
49845114.02479
Perimeter
86334270
Area
3.5861179436642E+14
Altitude
24922557.012395
Surface area
3.5861179436642E+14
Volume
2.8087924634764E+21
Height
13566121.725731