28702980 is an even 8-digits composite number following 28702979
and preceding 28702981 . In scientific notation, it is written as 2.8702980 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 7603200 positive integers (up to 28702980) that are relatively prime to 28702980.
28702980 has 24 divisors, whose sum is 51688728
The reverse of 28702980 is 08920782
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million seven hundred two thousand nine hundred eighty
Scientific notation
2.8702980 × 10^7
Engineering notation
2.8702980 × 10^6
Prime Factorization
2 × 2 × 45 × 181 × 881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14351490
Product of the distinct prime numbers
The prime factorization of 28702980 is 2 × 2 × 45 × 181 × 881.
Since it has a total of 5 prime factors.
1 , 10 , 15 , 57 , 698 , 749 , 7572 , 9847 , 89336 , 44438 , 241115 , 911457 , 1484107 , 2812016 , 86018634 , 24117699 , 342634462 , 229693177 , 3599312060 , 3847537841
n×2
57405960
n×3
86108940
n×4
114811920
n×5
143514900
n÷2
14351490
n÷3
9567660
n÷3
7175745
n÷5
5740596
n2
823861060880400
n3
2.3647267553229E+22
n4
6.7874704763498E+29
n5
1.9482062933326E+37
2 √n
5357.5162155611
3 √n
306.1791850704
4 √n
73.195055950256
5 √n
31.015972124377
1 , 2 , 4 , 45 , 90 , 180 , 181 , 362 , 724 , 881 , 1762 , 3524 , 8145 , 16290 , 32580 , 39645 , 79290 , 158580 , 159461 , 318922 , 637844 , 7175745 , 14351490 , 28702980
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
-28702979
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 28702980 can be divided by 24 positive divisors.
The sum of these divisors (counting 28702980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101011111100100000100
3
Ternary
2000000021002100
4
Quaternary
1231133210010
5
Quinary
24321443410
6
Senary
2503112100
8
Octal
155374404
10
Decimal
28702980
12
Duodecimal
9742630
16
Hexadecimal
1b5f904
20
Vigesimal
8j7h90
36
Base36
h37d0
md5
d7e1c10c7707259978c39645e6b474ee
sha1
9e39deb2dfcc74aefccc0ceeb1c2954fd64577d2
sha256
bed87e30531df99bb3fc6a74195c9cde32cfe759f071079d5d1cca18e895f3a4
sha512
c47498dcf69e17057b0cdb0ee575d9f72d3f684f56994197c6503bd9956b30de392d71a0514b3fe9ae4babefff5222d6c842a93c48af5f2191716f991c0a439c
ripemd-160
de4f39909bc20ccdf0952a9dfd44f49e05272226
Diameter
57405960
Circumference
180346142.20827
Area
2.5882358564406E+15
Volume
9.9053442696928E+22
Surface area
1.0352943425762E+16
Circumference
180346142.20827
Perimeter
114811920
Area
823861060880400
Diagonal
40592143.596524
Surface area
4943166365282400
Volume
2.3647267553229E+22
Space diagonal
49715019.688633
Perimeter
86108940
Area
3.5674230395561E+14
Altitude
24857509.844317
Surface area
3.5674230395561E+14
Volume
2.7868572072368E+21
Height
13530714.532175