28155770 is an even 8-digits composite number following 28155769
and preceding 28155771 . In scientific notation, it is written as 2.8155770 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 10944000 positive integers (up to 28155770) that are relatively prime to 28155770.
28155770 has 32 divisors, whose sum is 52135056
The reverse of 28155770 is 07755182
Previous prime number is 101
Is Prime? no Number parity even Number length 8 Sum of Digits 35 Digital Root 8
Name
twenty-eight million one hundred fifty-five thousand seven hundred seventy
Scientific notation
2.8155770 × 10^7
Engineering notation
2.8155770 × 10^6
Prime Factorization
2 × 5 × 457 × 101 × 61
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
28155770 Product of the distinct prime numbers
The prime factorization of 28155770 is 2 × 5 × 457 × 101 × 61.
Since it has a total of 5 prime factors.
4 , 3 , 76 , 24 , 330 , 190 , 8282 , 875 , 39559 , 80312 , 523266 , 602804 , 9957394 , 281618 , 82951271 , 3811330 , 798442718 , 159577826 , 7707548855 , 8995433490
n×2
56311540
n×3
84467310
n×4
112623080
n×5
140778850
n÷2
14077885
n÷3
9385256.6666667
n÷3
7038942.5
n÷5
5631154
n2
792747384292900
n3
2.2320413020253E+22
n4
6.2844841530323E+29
n5
1.7694449038142E+37
2 √n5306.2010892917
3 √n304.22096268057
4 √n72.843675698661
5 √n30.896798588329
1 , 2 , 5 , 10 , 61 , 101 , 122 , 202 , 305 , 457 , 505 , 610 , 914 , 1010 , 2285 , 4570 , 6161 , 12322 , 27877 , 30805 , 46157 , 55754 , 61610 , 92314 , 139385 , 230785 , 278770 , 461570 , 2815577 , 5631154 , 14077885 , 28155770
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-28155769 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28155770 can be divided by 32 positive divisors.
The sum of these divisors (counting 28155770) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011011001111101111010
3
Ternary
1221222110110022
4
Quaternary
1223121331322
5
Quinary
24201441040
6
Senary
2443250442
8
Octal
153317572
10
Decimal
28155770
12
Duodecimal
9519a22
16
Hexadecimal
1ad9f7a
20
Vigesimal
8fj98a
36
Base36
grh4q
md5
144a418c3500cd2193bfcbafaf5f9fa8
sha1
1ccf10758446844b4dfad543f3b45642058b1773
sha256
56c49bf7e73bdbd99383eba10561b097ac830e46a1a1c86b9a00ed0285fd8377
sha512
32c441d5eabd016e588af4ada677f43b22aa31a947fa44c2a8d5b983e086b3e7f3a799727b0b5438f3be2c4b0fe35544babc43839e41e714dc45746974ce7049
ripemd-160
a14bad40b35c77419cbe47e6ba54048f293629d9
Diameter
56311540
Circumference
176907920.37633
Area
2.4904893586471E+15
Volume
9.349552742602E+22
Surface area
9.9619574345884E+15
Circumference
176907920.37633
Perimeter
112623080
Area
792747384292900
Diagonal
39818271.793058
Surface area
4756484305757400
Volume
2.2320413020253E+22
Space diagonal
48767224.166224
Perimeter
84467310
Area
3.4326968679066E+14
Altitude
24383612.083112
Surface area
3.4326968679066E+14
Volume
2.6304859009175E+21
Height
13272757.264353