28691874 is an even 8-digits composite number following 28691873
and preceding 28691875 . In scientific notation, it is written as 2.8691874 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 9563940 positive integers (up to 28691874) that are relatively prime to 28691874.
28691874 has 16 divisors, whose sum is 63759840
The reverse of 28691874 is 47819682
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million six hundred ninety-one thousand eight hundred seventy-four
Scientific notation
2.8691874 × 10^7
Engineering notation
2.8691874 × 10^6
Prime Factorization
2 × 3 × 9 × 531331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28691874
Product of the distinct prime numbers
The prime factorization of 28691874 is 2 × 3 × 9 × 531331.
Since it has a total of 4 prime factors.
4 , 3 , 69 , 97 , 606 , 982 , 4013 , 3567 , 40087 , 44044 , 522413 , 894952 , 9208713 , 638389 , 24415985 , 10332563 , 13540312 , 366083831 , 640823222 , 3949996795
n×2
57383748
n×3
86075622
n×4
114767496
n×5
143459370
n÷2
14345937
n÷3
9563958
n÷3
7172968.5
n÷5
5738374.8
n2
823223633631876
n3
2.3619828769988E+22
n4
6.7769715097007E+29
n5
1.9444401265792E+37
2 √n
5356.4796275166
3 √n
306.139690162
4 √n
73.187974610017
5 √n
31.013571560311
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 531331 , 1062662 , 1593993 , 3187986 , 4781979 , 9563958 , 14345937 , 28691874
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
-28691873
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 28691874 can be divided by 16 positive divisors.
The sum of these divisors (counting 28691874) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011100110110100010
3
Ternary
1222222200212000
4
Quaternary
1231130312202
5
Quinary
24321114444
6
Senary
2502544430
8
Octal
155346642
10
Decimal
28691874
12
Duodecimal
9738116
16
Hexadecimal
1b5cda2
20
Vigesimal
8j69de
36
Base36
h2ysi
md5
4bc0c49cb43bd1cce6764ba2d1bce8ff
sha1
8d55d7a1e9a3b209b255fcb8b74d63454bf265b0
sha256
a94da23356e559be83c632cfc429e82b88a33f45ac0d3852f012e0f43f89df28
sha512
39cb09c2a48cb525826319ce7b8a4bc592faca58ce603a2d97be10e4cff58043c6a2c2a01ba61e57202170cb14f97c72118fd0c4cfc26834d0765976d0d5a626
ripemd-160
2a33bd50d9aed901630c7cba72fe64fb89da80a7
Diameter
57383748
Circumference
180276361.15225
Area
2.5862333196794E+15
Volume
9.8938507390457E+22
Surface area
1.0344933278718E+16
Circumference
180276361.15225
Perimeter
114767496
Area
823223633631876
Diagonal
40576437.3407
Surface area
4939341801791256
Volume
2.3619828769988E+22
Space diagonal
49695783.532364
Perimeter
86075622
Area
3.5646628986047E+14
Altitude
24847891.766182
Surface area
3.5646628986047E+14
Volume
2.7836235156206E+21
Height
13525479.113567