28156959 is an odd 8-digits composite number following 28156958
and preceding 28156960 . In scientific notation, it is written as 2.8156959 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 17735760 positive integers (up to 28156959) that are relatively prime to 28156959.
28156959 has 16 divisors, whose sum is 33059840
The reverse of 28156959 is 95965182
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million one hundred fifty-six thousand nine hundred fifty-nine
Scientific notation
2.8156959 × 10^7
Engineering notation
2.8156959 × 10^6
Prime Factorization
9 × 43 × 31 × 2347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28156959
Product of the distinct prime numbers
The prime factorization of 28156959 is 9 × 43 × 31 × 2347.
Since it has a total of 4 prime factors.
7 , 7 , 54 , 13 , 710 , 705 , 7753 , 5100 , 91888 , 51557 , 174422 , 246844 , 3535427 , 1695869 , 62509404 , 87979039 , 183689148 , 581584678 , 9188489901 , 4248853572
n×2
56313918
n×3
84470877
n×4
112627836
n×5
140784795
n÷2
14078479.5
n÷3
9385653
n÷3
7039239.75
n÷5
5631391.8
n2
792814340127681
n3
2.2323240869587E+22
n4
6.2855457791209E+29
n5
1.7698185479533E+37
2 √n
5306.313126833
3 √n
304.22524497194
4 √n
72.844444721838
5 √n
30.897059534295
1 , 9 , 31 , 43 , 279 , 387 , 1333 , 2347 , 11997 , 21123 , 72757 , 100921 , 654813 , 908289 , 3128551 , 28156959
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
-28156958
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 28156959 can be divided by 16 positive divisors.
The sum of these divisors (counting 28156959) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011010010000011111
3
Ternary
1221222112002100
4
Quaternary
1223122100133
5
Quinary
24202010314
6
Senary
2443300143
8
Octal
153322037
10
Decimal
28156959
12
Duodecimal
951a653
16
Hexadecimal
1ada41f
20
Vigesimal
8fjc7j
36
Base36
gri1r
md5
fd908ea8559eeef2333b7b275b2a94fb
sha1
4fb1a49fa0d0d0d5d81dd2c6a4ee676253ad286e
sha256
6afbbb1df4ef92469cdc8fc0c4a4cd1a71ffec6f01c01788a36d0fea9592ec11
sha512
9e797f40dffbde316b06027e1aa4e86da78cc1a7c1f737fee4b1dde8c33c3a2e4c1c7ed3eed684d8490da34770f4c9361e262734e64b43d02f3e7c7976743c7c
ripemd-160
7bc47dfddbf15cc0bd47aa9c9accedc209c65e6b
Diameter
56313918
Circumference
176915391.08366
Area
2.4906997066058E+15
Volume
9.3507372693614E+22
Surface area
9.962798826423E+15
Circumference
176915391.08366
Perimeter
112627836
Area
792814340127681
Diagonal
39819953.292983
Surface area
4756886040766086
Volume
2.2323240869587E+22
Space diagonal
48769283.574634
Perimeter
84470877
Area
3.4329867951758E+14
Altitude
24384641.787317
Surface area
3.4329867951758E+14
Volume
2.6308191661576E+21
Height
13273317.764328