28156771 is an odd 8-digits composite number following 28156770
and preceding 28156772 . In scientific notation, it is written as 2.8156771 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 27898344 positive integers (up to 28156771) that are relatively prime to 28156771.
28156771 has 4 divisors, whose sum is 28415200
The reverse of 28156771 is 17765182
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred fifty-six thousand seven hundred seventy-one
Scientific notation
2.8156771 × 10^7
Engineering notation
2.8156771 × 10^6
Prime Factorization
109 × 258319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28156771
Product of the distinct prime numbers
The prime factorization of 28156771 is 109 × 258319.
Since it has a total of 2 prime factors.
7 , 8 , 18 , 39 , 459 , 131 , 6451 , 1830 , 26586 , 73389 , 7018 , 240639 , 2662639 , 9369762 , 25963712 , 18299451 , 570681931 , 614930351 , 7280737741 , 5035690364
n×2
56313542
n×3
84470313
n×4
112627084
n×5
140783855
n÷2
14078385.5
n÷3
9385590.3333333
n÷3
7039192.75
n÷5
5631354.2
n2
792803753146441
n3
2.2322793725285E+22
n4
6.2853779100308E+29
n5
1.769759464612E+37
2 √n
5306.2954120554
3 √n
304.22456788091
4 √n
72.844323128542
5 √n
30.897018275132
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28156770
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28156771 can be divided by 4 positive divisors.
The sum of these divisors (counting 28156771) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011010001101100011
3
Ternary
1221222111211101
4
Quaternary
1223122031203
5
Quinary
24202004041
6
Senary
2443255231
8
Octal
153321543
10
Decimal
28156771
12
Duodecimal
951a517
16
Hexadecimal
1ada363
20
Vigesimal
8fjbib
36
Base36
grhwj
md5
431e154f6f67e42615d4c84119617d48
sha1
4acafccf4cd7c901c17b13a94f09f77d0734d6ba
sha256
19b38a2ca7cebc9406d0f66070618887f4a86a5aba6ff2aa14fb7418a98d29d6
sha512
d5c500ae474f54c7e91d69259596fcf410e5c1df5fb0184544db29813436c48cc60b0c3fe2e8775cab3bf059de19ed1d2c0d70b56854b249f567af5ac3de9a13
ripemd-160
d081c69460ddb2dfbf216ae58b8a0d24d4853402
Diameter
56313542
Circumference
176914209.84482
Area
2.4906664466233E+15
Volume
9.350549969994E+22
Surface area
9.9626657864931E+15
Circumference
176914209.84482
Perimeter
112627084
Area
792803753146441
Diagonal
39819687.420833
Surface area
4756822518878646
Volume
2.2322793725285E+22
Space diagonal
48768957.949082
Perimeter
84470313
Area
3.4329409522023E+14
Altitude
24384478.974541
Surface area
3.4329409522023E+14
Volume
2.6307664696962E+21
Height
13273229.140278