28993925 is an odd 8-digits composite number following 28993924
and preceding 28993926 . In scientific notation, it is written as 2.8993925 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 21825280 positive integers (up to 28993925) that are relatively prime to 28993925.
28993925 has 12 divisors, whose sum is 32039748
The reverse of 28993925 is 52939982
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million nine hundred ninety-three thousand nine hundred twenty-five
Scientific notation
2.8993925 × 10^7
Engineering notation
2.8993925 × 10^6
Prime Factorization
17 × 17 × 25 × 4013
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1705525
Product of the distinct prime numbers
The prime factorization of 28993925 is 17 × 17 × 25 × 4013.
Since it has a total of 4 prime factors.
9 , 4 , 36 , 56 , 162 , 769 , 2089 , 7165 , 86717 , 63050 , 73278 , 24043 , 5398365 , 8364002 , 54097811 , 65394410 , 235175471 , 641609924 , 1022887637 , 4396108191
n×2
57987850
n×3
86981775
n×4
115975700
n×5
144969625
n÷2
14496962.5
n÷3
9664641.6666667
n÷3
7248481.25
n÷5
5798785
n2
840647686905625
n3
2.4373675985565E+22
n4
7.0668853349978E+29
n5
2.0489674338653E+37
2 √n
5384.600728002
3 √n
307.21022782358
4 √n
73.37983870248
5 √n
31.078596805421
1 , 17 , 25 , 289 , 425 , 4013 , 7225 , 68221 , 100325 , 1159757 , 1705525 , 28993925
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
-28993924
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 28993925 can be divided by 12 positive divisors.
The sum of these divisors (counting 28993925) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110100110100110000101
3
Ternary
2000120001012002
4
Quaternary
1232212212011
5
Quinary
24410301200
6
Senary
2513235045
8
Octal
156464605
10
Decimal
28993925
12
Duodecimal
9862a85
16
Hexadecimal
1ba6985
20
Vigesimal
9144g5
36
Base36
h9fut
md5
bea6e40df6f1b579722b95b0aee660a0
sha1
e1c0f73edf73dd19f2c08671dafb12769134db41
sha256
b58b42fe6b87b76102329905fc5bd1d78af70299ca0eedfdb87ce2b5c5a763fe
sha512
6218c0f6b6a68c839f4064ced26e040b2914c8ce9995a825ba6fcf681bd1915c8b82103f05803faaab0019963df6095962466eff1b2b9ffd011741e642f4c963
ripemd-160
83f6ef9b4a343a37658426aa2a25408c05cf0b3f
Diameter
57987850
Circumference
182174203.55747
Area
2.64097259744E+15
Volume
1.0209621522297E+23
Surface area
1.056389038976E+16
Circumference
182174203.55747
Perimeter
115975700
Area
840647686905625
Diagonal
41003601.961428
Surface area
5043886121433750
Volume
2.4373675985565E+22
Space diagonal
50218951.210841
Perimeter
86981775
Area
3.6401112624645E+14
Altitude
25109475.605421
Surface area
3.6401112624645E+14
Volume
2.8724652619728E+21
Height
13667867.320476