28397779 is an odd 8-digits prime number following 28397778
and preceding 28397780 . In scientific notation, it is written as 2.8397779 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 28397778 positive integers (up to 28397779) that are relatively prime to 28397779.
28397779 has 2 divisors, whose sum is 28397780
The reverse of 28397779 is 97779382
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million three hundred ninety-seven thousand seven hundred seventy-nine
Scientific notation
2.8397779 × 10^7
Engineering notation
2.8397779 × 10^6
Prime Factorization
28397779
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28397779
Product of the distinct prime numbers
The prime factorization of 28397779 is 28397779.
Since it has a total of 1 prime factors.
3 , 7 , 9 , 70 , 492 , 639 , 9071 , 6427 , 17240 , 90749 , 492347 , 779723 , 9680969 , 4737961 , 70215463 , 78483429 , 920729188 , 938169761 , 915947417 , 6655059188
n×2
56795558
n×3
85193337
n×4
113591116
n×5
141988895
n÷2
14198889.5
n÷3
9465926.3333333
n÷3
7099444.75
n÷5
5679555.8
n2
806433852132841
n3
2.2900930310987E+22
n4
6.5033555786581E+29
n5
1.8468085448115E+37
2 √n
5328.9566521037
3 √n
305.09010685357
4 √n
72.999703095997
5 √n
30.949730737378
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28397780
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14198890
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5328.9567459307
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999929572
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28397779 can be divided by 2 positive divisors.
The sum of these divisors (counting 28397779) is 28397780, the average is 14198890.
Base
System
Value
2
Binary
1101100010101000011010011
3
Ternary
1222102202102121
4
Quaternary
1230111003103
5
Quinary
24232212104
6
Senary
2452355111
8
Octal
154250323
10
Decimal
28397779
12
Duodecimal
9615a97
16
Hexadecimal
1b150d3
20
Vigesimal
8h9e8j
36
Base36
gwnv7
md5
f760d12fbd4f175d4eee38ebf55b70b6
sha1
d5b3fef358e864f59da7986c8b85ad828d1db4a2
sha256
3915011669ee6eaf1a75ec3a4734af4ae1bf261499125f976bb468597cf033da
sha512
22a8412845cad45c43b85ff06178812920853937b21ced722237b019c5e484f81a19d1359f0f8c263a95cb781bf1fc385b01c31954ea57a3b84dce757f991563
ripemd-160
41db82b7e2fecd120f23a82d1a59c76edaaa228e
Diameter
56795558
Circumference
178428507.76933
Area
2.5334866654667E+15
Volume
9.5927192567159E+22
Surface area
1.0133946661867E+16
Circumference
178428507.76933
Perimeter
113591116
Area
806433852132841
Diagonal
40160524.203074
Surface area
4838603112797046
Volume
2.2900930310987E+22
Space diagonal
49186396.050113
Perimeter
85193337
Area
3.4919610120939E+14
Altitude
24593198.025056
Surface area
3.4919610120939E+14
Volume
2.6989005197299E+21
Height
13386841.401025