28889780 is an even 8-digits composite number following 28889779
and preceding 28889781 . In scientific notation, it is written as 2.8889780 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 11555904 positive integers (up to 28889780) that are relatively prime to 28889780.
28889780 has 12 divisors, whose sum is 60668580
The reverse of 28889780 is 08798882
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million eight hundred eighty-nine thousand seven hundred eighty
Scientific notation
2.8889780 × 10^7
Engineering notation
2.8889780 × 10^6
Prime Factorization
2 × 2 × 5 × 1444489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14444890
Product of the distinct prime numbers
The prime factorization of 28889780 is 2 × 2 × 5 × 1444489.
Since it has a total of 4 prime factors.
8 , 2 , 48 , 59 , 569 , 449 , 8579 , 8057 , 58380 , 59109 , 451705 , 449971 , 1240569 , 6705266 , 64284703 , 24833901 , 910223075 , 201024188 , 3397676413 , 6299800834
n×2
57779560
n×3
86669340
n×4
115559120
n×5
144448900
n÷2
14444890
n÷3
9629926.6666667
n÷3
7222445
n÷5
5777956
n2
834619388448400
n3
2.4111970516009E+22
n4
6.9658952357398E+29
n5
2.0124318086357E+37
2 √n
5374.9213947741
3 √n
306.8419576504
4 √n
73.313855407925
5 √n
31.056238046323
1 , 2 , 4 , 5 , 10 , 20 , 1444489 , 2888978 , 5777956 , 7222445 , 14444890 , 28889780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28889779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28889780 can be divided by 12 positive divisors.
The sum of these divisors (counting 28889780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110001101001010110100
3
Ternary
2000100202022212
4
Quaternary
1232031022310
5
Quinary
24343433110
6
Senary
2511112552
8
Octal
156151264
10
Decimal
28889780
12
Duodecimal
9812758
16
Hexadecimal
1b8d2b4
20
Vigesimal
90b490
36
Base36
h77hw
md5
c2a68b0ea0f789c16d7e68054d2aadc9
sha1
9a64d3c790ac483370b5fd76717bf742eb852a26
sha256
8d411434b19c63f89c5ab58eb3b5e672e2fcb9edbfc31e78dc93b0d1b0374815
sha512
2bf7a89800f2b669af98d758e3e7aae8dc0f73971e501afcf305f9508044ff13f41be2756a7482f88df6b6eb8e0ddd21b3517906d73631c0275a0ec4df611bc7
ripemd-160
a84a8c2fdbb52f4b50073d33cc488b670e757f46
Diameter
57779560
Circumference
181519841.22365
Area
2.6220341392931E+15
Volume
1.0099998591556E+23
Surface area
1.0488136557172E+16
Circumference
181519841.22365
Perimeter
115559120
Area
834619388448400
Diagonal
40856318.689975
Surface area
5007716330690400
Volume
2.4111970516009E+22
Space diagonal
50038566.779487
Perimeter
86669340
Area
3.6140079644367E+14
Altitude
25019283.389744
Surface area
3.6140079644367E+14
Volume
2.8416229766067E+21
Height
13618772.896658