28692021 is an odd 8-digits composite number following 28692020
and preceding 28692022 . In scientific notation, it is written as 2.8692021 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 18577920 positive integers (up to 28692021) that are relatively prime to 28692021.
28692021 has 16 divisors, whose sum is 39372480
The reverse of 28692021 is 12029682
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million six hundred ninety-two thousand twenty-one
Scientific notation
2.8692021 × 10^7
Engineering notation
2.8692021 × 10^6
Prime Factorization
3 × 61 × 83 × 1889
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28692021
Product of the distinct prime numbers
The prime factorization of 28692021 is 3 × 61 × 83 × 1889.
Since it has a total of 4 prime factors.
1 , 4 , 34 , 7 , 373 , 366 , 6175 , 3943 , 2086 , 64380 , 595658 , 880441 , 9107152 , 8681374 , 26220668 , 92716672 , 91758923 , 299922624 , 7101090665 , 4489866238
n×2
57384042
n×3
86076063
n×4
114768084
n×5
143460105
n÷2
14346010.5
n÷3
9564007
n÷3
7173005.25
n÷5
5738404.2
n2
823232069064441
n3
2.362019181347E+22
n4
6.7771103953612E+29
n5
1.9444899378302E+37
2 √n
5356.4933491978
3 √n
306.14021298666
4 √n
73.188068352688
5 √n
31.013603339244
1 , 3 , 61 , 83 , 183 , 249 , 1889 , 5063 , 5667 , 15189 , 115229 , 156787 , 345687 , 470361 , 9564007 , 28692021
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
-28692020
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 28692021 can be divided by 16 positive divisors.
The sum of these divisors (counting 28692021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011100111000110101
3
Ternary
1222222201001110
4
Quaternary
1231130320311
5
Quinary
24321121041
6
Senary
2502545233
8
Octal
155347065
10
Decimal
28692021
12
Duodecimal
9738219
16
Hexadecimal
1b5ce35
20
Vigesimal
8j6a11
36
Base36
h2ywl
md5
9e9b3eb1f7bf1e8738d694cf0180d4b7
sha1
df5a158a4924965b15746b32827f81eeb5026da8
sha256
dd84a3d05790fed6daf0806a8188c9536cfc82ae4c8391df8d9c5ef9ddb7044f
sha512
3903488e5071f4b673fb1999bf279c479ef10da9df378365b7264e4d1740954b4e8aafac9f29ce6875c4bf53f5215ca295084ae498e687a97e52f65bc3a7deec
ripemd-160
fd680d26cde309c4c334a60215f2d2b13ab80cba
Diameter
57384042
Circumference
180277284.78049
Area
2.5862598203724E+15
Volume
9.894002810344E+22
Surface area
1.0345039281489E+16
Circumference
180277284.78049
Perimeter
114768084
Area
823232069064441
Diagonal
40576645.230094
Surface area
4939392414386646
Volume
2.362019181347E+22
Space diagonal
49696038.143833
Perimeter
86076063
Area
3.5646994250992E+14
Altitude
24848019.071917
Surface area
3.5646994250992E+14
Volume
2.7836663007053E+21
Height
13525548.410031