28691749 is an odd 8-digits composite number following 28691748
and preceding 28691750 . In scientific notation, it is written as 2.8691749 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 28515564 positive integers (up to 28691749) that are relatively prime to 28691749.
28691749 has 4 divisors, whose sum is 28867936
The reverse of 28691749 is 94719682
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million six hundred ninety-one thousand seven hundred forty-nine
Scientific notation
2.8691749 × 10^7
Engineering notation
2.8691749 × 10^6
Prime Factorization
163 × 176023
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28691749
Product of the distinct prime numbers
The prime factorization of 28691749 is 163 × 176023.
Since it has a total of 2 prime factors.
9 , 6 , 89 , 78 , 555 , 67 , 5545 , 3823 , 29191 , 4644 , 478172 , 516936 , 7800162 , 1103853 , 43056794 , 67247591 , 603099718 , 200610636 , 8465116360 , 6643036635
n×2
57383498
n×3
86075247
n×4
114766996
n×5
143458745
n÷2
14345874.5
n÷3
9563916.3333333
n÷3
7172937.25
n÷5
5738349.8
n2
823216460679001
n3
2.361952006247E+22
n4
6.7768534113286E+29
n5
1.9443977708763E+37
2 √n
5356.4679593926
3 √n
306.1392455818
4 √n
73.187894896579
5 √n
31.013544537306
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28691748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28691749 can be divided by 4 positive divisors.
The sum of these divisors (counting 28691749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101011100110100100101
3
Ternary
1222222200200101
4
Quaternary
1231130310211
5
Quinary
24321113444
6
Senary
2502544101
8
Octal
155346445
10
Decimal
28691749
12
Duodecimal
9738031
16
Hexadecimal
1b5cd25
20
Vigesimal
8j6979
36
Base36
h2yp1
md5
02e4b1312fb187618fd8a64a65f2c577
sha1
62ae8c772bb993f424a97fd2470b96b2117d7672
sha256
1f5d72881ab5c105065a709d4d5a858457a893994eebbdd199557595542cb461
sha512
9cc681ea86daa5ab294033f7fb1f8dd709b9d578faff796c561d40b5e5f1ad9e4f6a042a77a639762e8e98e725158fcfcc6b9b5964f899bd1d61785a1d82af72
ripemd-160
d3ea58e952937d3d32a7f82b2029df4391affcc9
Diameter
57383498
Circumference
180275575.75408
Area
2.5862107851833E+15
Volume
9.8937214279431E+22
Surface area
1.0344843140733E+16
Circumference
180275575.75408
Perimeter
114766996
Area
823216460679001
Diagonal
40576260.564005
Surface area
4939298764074006
Volume
2.361952006247E+22
Space diagonal
49695567.026014
Perimeter
86075247
Area
3.5646318388076E+14
Altitude
24847783.513007
Surface area
3.5646318388076E+14
Volume
2.7835871340907E+21
Height
13525420.188002