28777639 is an odd 8-digits composite number following 28777638
and preceding 28777640 . In scientific notation, it is written as 2.8777639 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 25770360 positive integers (up to 28777639) that are relatively prime to 28777639.
28777639 has 8 divisors, whose sum is 31863168
The reverse of 28777639 is 93677782
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million seven hundred seventy-seven thousand six hundred thirty-nine
Scientific notation
2.8777639 × 10^7
Engineering notation
2.8777639 × 10^6
Prime Factorization
67 × 11 × 39047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28777639
Product of the distinct prime numbers
The prime factorization of 28777639 is 67 × 11 × 39047.
Since it has a total of 3 prime factors.
5 , 4 , 100 , 65 , 347 , 360 , 4834 , 2171 , 57614 , 19363 , 243663 , 34302 , 5674485 , 3428259 , 28333183 , 94697036 , 493478183 , 796443371 , 8636274438 , 1054610627
n×2
57555278
n×3
86332917
n×4
115110556
n×5
143888195
n÷2
14388819.5
n÷3
9592546.3333333
n÷3
7194409.75
n÷5
5755527.8
n2
828152506414321
n3
2.3832273866537E+22
n4
6.8583657388032E+29
n5
1.9736757336125E+37
2 √n
5364.4793782808
3 √n
306.44442165224
4 √n
73.242606304533
5 √n
31.032090422624
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
-28777638
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 28777639 can be divided by 8 positive divisors.
The sum of these divisors (counting 28777639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101110001110010100111
3
Ternary
2000011001111111
4
Quaternary
1231301302213
5
Quinary
24331341024
6
Senary
2504445451
8
Octal
155616247
10
Decimal
28777639
12
Duodecimal
9779887
16
Hexadecimal
1b71ca7
20
Vigesimal
8jh41j
36
Base36
h4syv
md5
6ab96858f24e0049477f9c90c0ea6386
sha1
689197da584e4d11b6415ae24dd6579877b93fc8
sha256
6569509b91f82a97a0db88371675326fb791876f897415096bcacfcc5096587c
sha512
08a4ced2f1ce54f331d47e7d752459bef229a52253bc904aca11af7ff540b49d7beec5b47f0232baae476cdf393a3cd3a151e2cf71137e8a58273ff53030a8da
ripemd-160
c8fb00d9ba6976a2babe3d4364e3caf56e00c4b3
Diameter
57555278
Circumference
180815238.54012
Area
2.6017178302032E+15
Volume
9.9828395329935E+22
Surface area
1.0406871320813E+16
Circumference
180815238.54012
Perimeter
115110556
Area
828152506414321
Diagonal
40697727.366877
Surface area
4968915038485926
Volume
2.3832273866537E+22
Space diagonal
49844332.869876
Perimeter
86332917
Area
3.5860055438128E+14
Altitude
24922166.434938
Surface area
3.5860055438128E+14
Volume
2.8086604103538E+21
Height
13565909.122292