28689969 is an odd 8-digits composite number following 28689968
and preceding 28689970 . In scientific notation, it is written as 2.8689969 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 14903760 positive integers (up to 28689969) that are relatively prime to 28689969.
28689969 has 16 divisors, whose sum is 47692800
The reverse of 28689969 is 96998682
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
twenty-eight million six hundred eighty-nine thousand nine hundred sixty-nine
Scientific notation
2.8689969 × 10^7
Engineering notation
2.8689969 × 10^6
Prime Factorization
3 × 7 × 11 × 124199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28689969
Product of the distinct prime numbers
The prime factorization of 28689969 is 3 × 7 × 11 × 124199.
Since it has a total of 4 prime factors.
4 , 8 , 6 , 82 , 781 , 54 , 3987 , 7201 , 95819 , 26914 , 50791 , 298923 , 25716 , 5697697 , 41009503 , 65996723 , 881989194 , 918054552 , 8093511521 , 6063961510
n×2
57379938
n×3
86069907
n×4
114759876
n×5
143449845
n÷2
14344984.5
n÷3
9563323
n÷3
7172492.25
n÷5
5737993.8
n2
823114321220961
n3
2.3615124359285E+22
n4
6.7751718579904E+29
n5
1.9437947057542E+37
2 √n
5356.30180255
3 √n
306.1329146197
4 √n
73.186759748946
5 √n
31.013159719502
1 , 3 , 7 , 11 , 21 , 33 , 77 , 231 , 124199 , 372597 , 869393 , 1366189 , 2608179 , 4098567 , 9563323 , 28689969
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
-28689968
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 28689969 can be divided by 16 positive divisors.
The sum of these divisors (counting 28689969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011100011000110001
3
Ternary
1222222121020110
4
Quaternary
1231130120301
5
Quinary
24321034334
6
Senary
2502531533
8
Octal
155343061
10
Decimal
28689969
12
Duodecimal
9736ba9
16
Hexadecimal
1b5c631
20
Vigesimal
8j64i9
36
Base36
h2xbl
md5
3d511b8e3c9b4722755f9e24c00a06f1
sha1
3953ab571b3af12690e9fe718511ba69b30d8e51
sha256
495ae5d4b1a7dfa1a1c03d219efd5aed8c0bae330da59d1c739c91e07c5c8bae
sha512
767227f3ca4faba2513f61497a702c89d824085c10c69c7a0229cc9ecd414543f16eb6d6cdccc007fd41e845b53736a2eb815bb26281c4c075404defcf7f017e
ripemd-160
827345d6b6dcf3057a6211cc07702339dd2f5f5c
Diameter
57379938
Circumference
180264391.68424
Area
2.5858899046123E+15
Volume
9.8918801600987E+22
Surface area
1.0343559618449E+16
Circumference
180264391.68424
Perimeter
114759876
Area
823114321220961
Diagonal
40573743.263864
Surface area
4938685927325766
Volume
2.3615124359285E+22
Space diagonal
49692483.975576
Perimeter
86069907
Area
3.5641895619807E+14
Altitude
24846241.987788
Surface area
3.5641895619807E+14
Volume
2.7830690955024E+21
Height
13524581.087955