28931001 is an odd 8-digits composite number following 28931000
and preceding 28931002 . In scientific notation, it is written as 2.8931001 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 17485520 positive integers (up to 28931001) that are relatively prime to 28931001.
28931001 has 16 divisors, whose sum is 42197760
The reverse of 28931001 is 10013982
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million nine hundred thirty-one thousand one
Scientific notation
2.8931001 × 10^7
Engineering notation
2.8931001 × 10^6
Prime Factorization
3 × 11 × 443 × 1979
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931001
Product of the distinct prime numbers
The prime factorization of 28931001 is 3 × 11 × 443 × 1979.
Since it has a total of 4 prime factors.
7 , 7 , 19 , 20 , 897 , 673 , 9735 , 1254 , 10420 , 31414 , 51244 , 6352 , 2943717 , 1800156 , 74026429 , 66180538 , 926271193 , 560896803 , 5743307516 , 4645208209
n×2
57862002
n×3
86793003
n×4
115724004
n×5
144655005
n÷2
14465500.5
n÷3
9643667
n÷3
7232750.25
n÷5
5786200.2
n2
837002818862001
n3
2.4215329389499E+22
n4
7.0057371878294E+29
n5
2.0268298958683E+37
2 √n
5378.754595629
3 √n
306.98782609013
4 √n
73.339993152638
5 √n
31.065095428943
1 , 3 , 11 , 33 , 443 , 1329 , 1979 , 4873 , 5937 , 14619 , 21769 , 65307 , 876697 , 2630091 , 9643667 , 28931001
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
-28931000
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 28931001 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931001) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111001110111001
3
Ternary
2000102211212120
4
Quaternary
1232113032321
5
Quinary
24401243001
6
Senary
2512031453
8
Octal
156271671
10
Decimal
28931001
12
Duodecimal
9832589
16
Hexadecimal
1b973b9
20
Vigesimal
90g7a1
36
Base36
h83ax
md5
27ecdb3280c2bec09f3d193bbeb17632
sha1
9000052cc499cd9018394d6584235e3ea7ab91e6
sha256
2e852a475083dcfeb39a2910e929b5626e906efa8187f0a7549025aeb215fe74
sha512
0d99dfd84df4fb1fac249024fea3490cc41dfd073c4b10f618f5c74cd9d8b2669d3f3228863163731a46a7f6baa5cef803ca7c6e430ff2a1f9bc52db549cd3e8
ripemd-160
c032ed0e78eda7b8be302059fbd25677ee371107
Diameter
57862002
Circumference
181778840.4052
Area
2.6295219067708E+15
Volume
1.0143293455241E+23
Surface area
1.0518087627083E+16
Circumference
181778840.4052
Perimeter
115724004
Area
837002818862001
Diagonal
40914613.98723
Surface area
5022016913172006
Volume
2.4215329389499E+22
Space diagonal
50109963.645826
Perimeter
86793003
Area
3.6243285208684E+14
Altitude
25054981.822913
Surface area
3.6243285208684E+14
Volume
2.8538039366635E+21
Height
13638204.66241