28345980 is an even 8-digits composite number following 28345979
and preceding 28345981 . In scientific notation, it is written as 2.8345980 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 6977280 positive integers (up to 28345980) that are relatively prime to 28345980.
28345980 has 24 divisors, whose sum is 67160016
The reverse of 28345980 is 08954382
Previous prime number is 65
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million three hundred forty-five thousand nine hundred eighty
Scientific notation
2.8345980 × 10^7
Engineering notation
2.8345980 × 10^6
Prime Factorization
2 × 2 × 3 × 65 × 36341
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14172990
Product of the distinct prime numbers
The prime factorization of 28345980 is 2 × 2 × 3 × 65 × 36341.
Since it has a total of 5 prime factors.
1 , 4 , 67 , 93 , 320 , 968 , 601 , 4541 , 90863 , 97203 , 294018 , 313326 , 628813 , 61149 , 33391839 , 18432944 , 615470990 , 912574672 , 7053566580 , 8139469547
n×2
56691960
n×3
85037940
n×4
113383920
n×5
141729900
n÷2
14172990
n÷3
9448660
n÷3
7086495
n÷5
5669196
n2
803494582160400
n3
2.2775841356027E+22
n4
6.4560354356112E+29
n5
1.8300265133713E+37
2 √n
5324.0942891726
3 √n
304.9044939704
4 √n
72.966391504394
5 √n
30.938431712294
1 , 2 , 3 , 4 , 6 , 12 , 65 , 130 , 195 , 260 , 390 , 780 , 36341 , 72682 , 109023 , 145364 , 218046 , 436092 , 2362165 , 4724330 , 7086495 , 9448660 , 14172990 , 28345980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28345979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28345980 can be divided by 24 positive divisors.
The sum of these divisors (counting 28345980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101100001000011001111100
3
Ternary
1222100010101010
4
Quaternary
1230020121330
5
Quinary
24224032410
6
Senary
2451315220
8
Octal
154103174
10
Decimal
28345980
12
Duodecimal
95abb10
16
Hexadecimal
1b0867c
20
Vigesimal
8h34j0
36
Base36
gvjwc
md5
1b5fcefddee80e42457c5e956c4f81f7
sha1
cd939f0ff15b171ac3ff3589bb6cc9e6ffc49644
sha256
fb9b74b5c46d91aaceeefb6b5eb65b6137f40833be467f461d252309c37c4e75
sha512
9c6316da883838e33438db5a47c7bd862060dad7701c1a91d59c4d4ae9584498be0474453a266a8c3e54beb1c6e23d48b695e7eb42a0d2a809da667243f8b851
ripemd-160
08c5e15c53d445553b72fade33dadb2cf9d7a0f0
Diameter
56691960
Circumference
178103045.05361
Area
2.5242526765143E+15
Volume
9.5403221177895E+22
Surface area
1.0097010706057E+16
Circumference
178103045.05361
Perimeter
113383920
Area
803494582160400
Diagonal
40087269.354757
Surface area
4820967492962400
Volume
2.2775841356027E+22
Space diagonal
49096677.550331
Perimeter
85037940
Area
3.4792335997703E+14
Altitude
24548338.775166
Surface area
3.4792335997703E+14
Volume
2.6841586450126E+21
Height
13362423.118252