28661829 is an odd 8-digits composite number following 28661828
and preceding 28661830 . In scientific notation, it is written as 2.8661829 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 15978240 positive integers (up to 28661829) that are relatively prime to 28661829.
28661829 has 16 divisors, whose sum is 44741760
The reverse of 28661829 is 92816682
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million six hundred sixty-one thousand eight hundred twenty-nine
Scientific notation
2.8661829 × 10^7
Engineering notation
2.8661829 × 10^6
Prime Factorization
3 × 7 × 41 × 33289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28661829
Product of the distinct prime numbers
The prime factorization of 28661829 is 3 × 7 × 41 × 33289.
Since it has a total of 4 prime factors.
9 , 3 , 57 , 29 , 227 , 804 , 8670 , 7169 , 81023 , 47441 , 680968 , 43556 , 9496040 , 6954973 , 79152507 , 41415718 , 123652250 , 515482749 , 6125022645 , 7894891494
n×2
57323658
n×3
85985487
n×4
114647316
n×5
143309145
n÷2
14330914.5
n÷3
9553943
n÷3
7165457.25
n÷5
5732365.8
n2
821500441625241
n3
2.3545705181287E+22
n4
6.7486297559047E+29
n5
1.9342807204805E+37
2 √n
5353.6743457181
3 √n
306.03279370015
4 √n
73.168807190756
5 √n
31.007073599935
1 , 3 , 7 , 21 , 41 , 123 , 287 , 861 , 33289 , 99867 , 233023 , 699069 , 1364849 , 4094547 , 9553943 , 28661829
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
-28661828
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 28661829 can be divided by 16 positive divisors.
The sum of these divisors (counting 28661829) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010101100001000101
3
Ternary
1222221011122020
4
Quaternary
1231111201011
5
Quinary
24314134304
6
Senary
2502153353
8
Octal
155254105
10
Decimal
28661829
12
Duodecimal
9722859
16
Hexadecimal
1b55845
20
Vigesimal
8j2eb9
36
Base36
h2blx
md5
709f729ba4cd3a07a7c572b926f8a652
sha1
c08975982df8d59cc30aa2b8eebb24becd3621b3
sha256
55a6f4969d6a9e51ae8371504908769b0a4bd5783125868d51f107a983b51890
sha512
f2b1f83e1cba19a1faccbcb337e017a010c95da7747e0ebfccaa8e2bf21b9aa3316e51e294981e707f32b35d2481bb78188d65998215e285372aab1b28cf973a
ripemd-160
5667e7b6727ed09fe972032b1a25ee8e96e0cdc4
Diameter
57323658
Circumference
180087582.84969
Area
2.5808197523306E+15
Volume
9.8628019228164E+22
Surface area
1.0323279009323E+16
Circumference
180087582.84969
Perimeter
114647316
Area
821500441625241
Diagonal
40533947.294218
Surface area
4929002649751446
Volume
2.3545705181287E+22
Space diagonal
49643744.065851
Perimeter
85985487
Area
3.557201258338E+14
Altitude
24821872.032926
Surface area
3.557201258338E+14
Volume
2.7748879669179E+21
Height
13511315.764739