28491325 is an odd 8-digits composite number following 28491324
and preceding 28491326 . In scientific notation, it is written as 2.8491325 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 21772800 positive integers (up to 28491325) that are relatively prime to 28491325.
28491325 has 16 divisors, whose sum is 34856640
The reverse of 28491325 is 52319482
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million four hundred ninety-one thousand three hundred twenty-five
Scientific notation
2.8491325 × 10^7
Engineering notation
2.8491325 × 10^6
Prime Factorization
5 × 155 × 97 × 379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28491325
Product of the distinct prime numbers
The prime factorization of 28491325 is 5 × 155 × 97 × 379.
Since it has a total of 4 prime factors.
3 , 6 , 86 , 71 , 180 , 40 , 8071 , 6220 , 46011 , 43924 , 44795 , 252802 , 8550431 , 617564 , 61896224 , 68585932 , 402390091 , 172720103 , 7216895400 , 6249881145
n×2
56982650
n×3
85473975
n×4
113965300
n×5
142456625
n÷2
14245662.5
n÷3
9497108.3333333
n÷3
7122831.25
n÷5
5698265
n2
811755600255625
n3
2.3127992627453E+22
n4
6.5894715454637E+29
n5
1.8774277538006E+37
2 √n
5337.7265759872
3 √n
305.42474192299
4 √n
73.05974661869
5 √n
30.97009441537
1 , 5 , 97 , 155 , 379 , 485 , 775 , 1895 , 15035 , 36763 , 58745 , 75175 , 183815 , 293725 , 5698265 , 28491325
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
-28491324
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 28491325 can be divided by 16 positive divisors.
The sum of these divisors (counting 28491325) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101011111000111101
3
Ternary
1222121111202021
4
Quaternary
1230223320331
5
Quinary
24243210300
6
Senary
2454400141
8
Octal
154537075
10
Decimal
28491325
12
Duodecimal
9660051
16
Hexadecimal
1b2be3d
20
Vigesimal
8i1865
36
Base36
gyo1p
md5
64c035c9808b33ceaa45fe84568a636e
sha1
06407d2d6847a14070ba294d72943cb530d97c0c
sha256
637b2f7de790ee5c6ca124b11bb7d5df73a779607104686414094f5eab959e44
sha512
8e53437628f1cc94598e388d7e520b185a22bd8d3a3a15be706f69396cf59a93113a1fa8cc362741e7d4ebe8b8a810bfc30754ece80cecf087d1a31d4253c2f4
ripemd-160
f249bceb123dd553fab5a76dddff1a1a2d76adca
Diameter
56982650
Circumference
179016274.62208
Area
2.5502054302734E+15
Volume
9.6878308974247E+22
Surface area
1.0200821721094E+16
Circumference
179016274.62208
Perimeter
113965300
Area
811755600255625
Diagonal
40292818.22498
Surface area
4870533601533750
Volume
2.3127992627453E+22
Space diagonal
49348422.474957
Perimeter
85473975
Area
3.5150048574283E+14
Altitude
24674211.237479
Surface area
3.5150048574283E+14
Volume
2.7256600703508E+21
Height
13430939.408327