28156940 is an even 8-digits composite number following 28156939
and preceding 28156941 . In scientific notation, it is written as 2.8156940 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 9653760 positive integers (up to 28156940) that are relatively prime to 28156940.
28156940 has 24 divisors, whose sum is 67576992
The reverse of 28156940 is 04965182
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million one hundred fifty-six thousand nine hundred forty
Scientific notation
2.8156940 × 10^7
Engineering notation
2.8156940 × 10^6
Prime Factorization
2 × 2 × 5 × 7 × 201121
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14078470
Product of the distinct prime numbers
The prime factorization of 28156940 is 2 × 2 × 5 × 7 × 201121.
Since it has a total of 5 prime factors.
1 , 10 , 4 , 86 , 585 , 827 , 6321 , 4563 , 96983 , 94580 , 1697 , 384099 , 1663403 , 3580748 , 63135187 , 6517357 , 18012348 , 643676495 , 8960554715 , 7131867540
n×2
56313880
n×3
84470820
n×4
112627760
n×5
140784700
n÷2
14078470
n÷3
9385646.6666667
n÷3
7039235
n÷5
5631388
n2
792813270163600
n3
2.23231956792E+22
n4
6.285528813475E+29
n5
1.7698125766929E+37
2 √n
5306.3113365124
3 √n
304.22517654267
4 √n
72.844432433182
5 √n
30.897055364496
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 201121 , 402242 , 804484 , 1005605 , 1407847 , 2011210 , 2815694 , 4022420 , 5631388 , 7039235 , 14078470 , 28156940
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
-28156939
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 28156940 can be divided by 24 positive divisors.
The sum of these divisors (counting 28156940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011011010010000001100
3
Ternary
1221222112001122
4
Quaternary
1223122100030
5
Quinary
24202010230
6
Senary
2443300112
8
Octal
153322014
10
Decimal
28156940
12
Duodecimal
951a638
16
Hexadecimal
1ada40c
20
Vigesimal
8fjc70
36
Base36
gri18
md5
14c147cfdc9ed224bfb6bc409dba2d94
sha1
8f8d50f0fb9092d937dc2a49d17a07afa6269c2e
sha256
7c07708ad7225099f2fe6a2519b147e880a5c372630e02a39d77b5814112111a
sha512
ef4513d87286a2741ed00775870586a95944df371231e1937c544a56250eec9347039e01bb3756991203763a0ea95dab5e54654cce7c5e41927f86aca9bafe3c
ripemd-160
2c00ec6e66cbaa4e6e1692d8e4414e65382e5453
Diameter
56313880
Circumference
176915271.70314
Area
2.4906963452145E+15
Volume
9.3507183400564E+22
Surface area
9.9627853808579E+15
Circumference
176915271.70314
Perimeter
112627760
Area
792813270163600
Diagonal
39819926.422925
Surface area
4756879620981600
Volume
2.23231956792E+22
Space diagonal
48769250.665668
Perimeter
84470820
Area
3.4329821620955E+14
Altitude
24384625.332834
Surface area
3.4329821620955E+14
Volume
2.6308138404195E+21
Height
13273308.807642