28432021 is an odd 8-digits composite number following 28432020
and preceding 28432022 . In scientific notation, it is written as 2.8432021 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 26732160 positive integers (up to 28432021) that are relatively prime to 28432021.
28432021 has 16 divisors, whose sum is 30205440
The reverse of 28432021 is 12023482
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-eight million four hundred thirty-two thousand twenty-one
Scientific notation
2.8432021 × 10^7
Engineering notation
2.8432021 × 10^6
Prime Factorization
71 × 37 × 79 × 137
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28432021
Product of the distinct prime numbers
The prime factorization of 28432021 is 71 × 37 × 79 × 137.
Since it has a total of 4 prime factors.
3 , 10 , 30 , 94 , 108 , 758 , 3195 , 3635 , 38980 , 71505 , 941657 , 651484 , 5805851 , 8540446 , 3481984 , 1154044 , 832599604 , 550937001 , 1392544459 , 7623563341
n×2
56864042
n×3
85296063
n×4
113728084
n×5
142160105
n÷2
14216010.5
n÷3
9477340.3333333
n÷3
7108005.25
n÷5
5686404.2
n2
808379818144441
n3
2.2983871965459E+22
n4
6.5347793038324E+29
n5
1.8579698239693E+37
2 √n
5332.168508215
3 √n
305.21268333275
4 √n
73.021698886119
5 √n
30.957190967959
1 , 37 , 71 , 79 , 137 , 2627 , 2923 , 5069 , 5609 , 9727 , 10823 , 207533 , 359899 , 400451 , 768433 , 28432021
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
-28432020
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 28432021 can be divided by 16 positive divisors.
The sum of these divisors (counting 28432021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011101011010010101
3
Ternary
1222111111101211
4
Quaternary
1230131122111
5
Quinary
24234311041
6
Senary
2453221421
8
Octal
154353225
10
Decimal
28432021
12
Duodecimal
9631871
16
Hexadecimal
1b1d695
20
Vigesimal
8he011
36
Base36
gxead
md5
80581b5f88b8f9eed11c1d99783a22e5
sha1
857e060a9307c2f5cfc2caf15e0a0fbba42c5eee
sha256
c1040dc26bddacf1bd640d6caa8c05388864b0ea5a0dbce7f06bf50130fdc60d
sha512
f695ab21da3750a20fb6c214aed05e9d2a2559732e5bd20a8ecdcb8354fe7d310ce11c82b5396f2a8565ef89eb487907f15576d12d4aea010085146d315e604c
ripemd-160
df7abe9096bc2b4923119cf332bf11c71398b83d
Diameter
56864042
Circumference
178643656.60062
Area
2.5396000979928E+15
Volume
9.6274617756979E+22
Surface area
1.0158400391971E+16
Circumference
178643656.60062
Perimeter
113728084
Area
808379818144441
Diagonal
40208949.703877
Surface area
4850278908866646
Volume
2.2983871965459E+22
Space diagonal
49245704.933865
Perimeter
85296063
Area
3.5003872920987E+14
Altitude
24622852.466933
Surface area
3.5003872920987E+14
Volume
2.7086752874499E+21
Height
13402983.234626