28333721 is an odd 8-digits composite number following 28333720
and preceding 28333722 . In scientific notation, it is written as 2.8333721 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 25099200 positive integers (up to 28333721) that are relatively prime to 28333721.
28333721 has 8 divisors, whose sum is 28641984
The reverse of 28333721 is 12733382
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million three hundred thirty-three thousand seven hundred twenty-one
Scientific notation
2.8333721 × 10^7
Engineering notation
2.8333721 × 10^6
Prime Factorization
403 × 167 × 421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28333721
Product of the distinct prime numbers
The prime factorization of 28333721 is 403 × 167 × 421.
Since it has a total of 3 prime factors.
5 , 8 , 97 , 85 , 693 , 450 , 1880 , 3022 , 95137 , 89538 , 102893 , 252479 , 2085981 , 83508 , 55784822 , 57677724 , 915611560 , 455009615 , 7765178089 , 5298375666
n×2
56667442
n×3
85001163
n×4
113334884
n×5
141668605
n÷2
14166860.5
n÷3
9444573.6666667
n÷3
7083430.25
n÷5
5666744.2
n2
802799745705841
n3
2.27463040137E+22
n4
6.4448743170536E+29
n5
1.8260727077946E+37
2 √n
5322.9428890417
3 √n
304.86053284948
4 √n
72.958501143059
5 √n
30.93575521381
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28333720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28333721 can be divided by 8 positive divisors.
The sum of these divisors (counting 28333721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100000101011010011001
3
Ternary
1222022111120002
4
Quaternary
1230011122121
5
Quinary
24223134341
6
Senary
2451142345
8
Octal
154053231
10
Decimal
28333721
12
Duodecimal
95a49b5
16
Hexadecimal
1b05699
20
Vigesimal
8h1e61
36
Base36
gvaft
md5
b416793adc4a17c2c02b684262ceaf45
sha1
f5b8876b8e11b33d30b108128e48a4617ad43efd
sha256
92a5bda38d42f2799c824d781fc82fe63efbb22a01cb9ec627dc5608602b59bf
sha512
35b44b18d9a9e233208e2ea60765220d0613f15b207cbfa0bdccf4855983f73695e11d8b97dfb7b81a4de1e351355060f2aa841ebfe4bad7651daf88bf9f11d9
ripemd-160
2f293e87fa0668380ed17dbcf18df7b10218e3d6
Diameter
56667442
Circumference
178026019.48493
Area
2.5220697834132E+15
Volume
9.5279495447681E+22
Surface area
1.0088279133653E+16
Circumference
178026019.48493
Perimeter
113334884
Area
802799745705841
Diagonal
40069932.510695
Surface area
4816798474235046
Volume
2.27463040137E+22
Space diagonal
49075444.339481
Perimeter
85001163
Area
3.4762248696647E+14
Altitude
24537722.169741
Surface area
3.4762248696647E+14
Volume
2.6806776358364E+21
Height
13356644.170232