28932381 is an odd 8-digits composite number following 28932380
and preceding 28932382 . In scientific notation, it is written as 2.8932381 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 19266624 positive integers (up to 28932381) that are relatively prime to 28932381.
28932381 has 12 divisors, whose sum is 41838108
The reverse of 28932381 is 18323982
Previous prime number is 1993
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred thirty-two thousand three hundred eighty-one
Scientific notation
2.8932381 × 10^7
Engineering notation
2.8932381 × 10^6
Prime Factorization
3 × 3 × 1993 × 1613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9644127
Product of the distinct prime numbers
The prime factorization of 28932381 is 3 × 3 × 1993 × 1613.
Since it has a total of 4 prime factors.
10 , 9 , 84 , 3 , 125 , 749 , 8675 , 5312 , 57837 , 31243 , 168515 , 994924 , 3820217 , 5615062 , 99120754 , 47589066 , 267803195 , 770497480 , 1961099169 , 5242420055
n×2
57864762
n×3
86797143
n×4
115729524
n×5
144661905
n÷2
14466190.5
n÷3
9644127
n÷3
7233095.25
n÷5
5786476.2
n2
837082670329161
n3
2.4218794746461E+22
n4
7.007073969654E+29
n5
2.0273133378521E+37
2 √n
5378.8828765832
3 √n
306.99270708802
4 √n
73.340867710869
5 √n
31.065391782421
1 , 3 , 9 , 1613 , 1993 , 4839 , 5979 , 14517 , 17937 , 3214709 , 9644127 , 28932381
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28932380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28932381 can be divided by 12 positive divisors.
The sum of these divisors (counting 28932381) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110010111100100011101
3
Ternary
2000102220202200
4
Quaternary
1232113210131
5
Quinary
24401314011
6
Senary
2512042113
8
Octal
156274435
10
Decimal
28932381
12
Duodecimal
9833339
16
Hexadecimal
1b9791d
20
Vigesimal
90gaj1
36
Base36
h84d9
md5
536006046bfd9a9e59f275e722b3c1db
sha1
51277cb61798cf411d432219dc1da2a8d15b6625
sha256
c45b5fa91921c83fee6a1eed2da8d606ea1ecbca5722acddfc96c4df0049fcd5
sha512
e9d9e165dec9d2de0e054ace1490921d5a768b39c3aef9d9d282e699b9fb9e4a869993ca3cdd6d4a72b65368c96c664898566149f5cee809e44a5575f5842242
ripemd-160
a03c9df17efa4e04d1e3c980db5d40c4ab90e1bd
Diameter
57864762
Circumference
181787511.20092
Area
2.6297727675534E+15
Volume
1.0144745020571E+23
Surface area
1.0519091070214E+16
Circumference
181787511.20092
Perimeter
115729524
Area
837082670329161
Diagonal
40916565.601946
Surface area
5022496021974966
Volume
2.4218794746461E+22
Space diagonal
50112353.87594
Perimeter
86797143
Area
3.6246742878638E+14
Altitude
25056176.93797
Surface area
3.6246742878638E+14
Volume
2.8542123328979E+21
Height
13638855.200649