28542890 is an even 8-digits composite number following 28542889
and preceding 28542891 . In scientific notation, it is written as 2.8542890 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 11417152 positive integers (up to 28542890) that are relatively prime to 28542890.
28542890 has 8 divisors, whose sum is 51377220
The reverse of 28542890 is 09824582
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million five hundred forty-two thousand eight hundred ninety
Scientific notation
2.8542890 × 10^7
Engineering notation
2.8542890 × 10^6
Prime Factorization
2 × 5 × 2854289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28542890
Product of the distinct prime numbers
The prime factorization of 28542890 is 2 × 5 × 2854289.
Since it has a total of 3 prime factors.
8 , 7 , 4 , 47 , 419 , 375 , 6017 , 6223 , 53483 , 52681 , 261523 , 762463 , 994894 , 9256366 , 78037205 , 94559306 , 532873235 , 431720314 , 617961183 , 7483751900
n×2
57085780
n×3
85628670
n×4
114171560
n×5
142714450
n÷2
14271445
n÷3
9514296.6666667
n÷3
7135722.5
n÷5
5708578
n2
814696569552100
n3
2.3253794568103E+22
n4
6.6373050043996E+29
n5
1.8944786663703E+37
2 √n
5342.5546323833
3 √n
305.60888844381
4 √n
73.092780986793
5 √n
30.981296548373
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28542889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28542890 can be divided by 8 positive divisors.
The sum of these divisors (counting 28542890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100111000011110101010
3
Ternary
1222201010111002
4
Quaternary
1230320132222
5
Quinary
24301333030
6
Senary
2455435002
8
Octal
154703652
10
Decimal
28542890
12
Duodecimal
9685a62
16
Hexadecimal
1b387aa
20
Vigesimal
8i7h4a
36
Base36
gzru2
md5
a34db013d03e718934b2f391b3cae0ee
sha1
456303e8ee64ecc665ac4e723aecf2f57314ab92
sha256
068ed662f1f9913cf3635556167e6e76222bf130bae2b8596798f96ad049f395
sha512
bf1dfd08453fc4cc0239e7d3c44f0342920fee58a9bafa07d9c97b5b183cc078c88df59a2086fcd5189baee7856ccb1fc849f68bd8441c3ddc084dc1e150c50a
ripemd-160
e06c604c689e78e448ea37f1a82b463c387ada25
Diameter
57085780
Circumference
179340267.07244
Area
2.5594447578097E+15
Volume
9.7405266910985E+22
Surface area
1.0237779031239E+16
Circumference
179340267.07244
Perimeter
114171560
Area
814696569552100
Diagonal
40365742.147323
Surface area
4888179417312600
Volume
2.3253794568103E+22
Space diagonal
49437735.67485
Perimeter
85628670
Area
3.5277396280408E+14
Altitude
24718867.837425
Surface area
3.5277396280408E+14
Volume
2.7404859712374E+21
Height
13455247.382441