28888961 is an odd 8-digits composite number following 28888960
and preceding 28888962 . In scientific notation, it is written as 2.8888961 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 28796352 positive integers (up to 28888961) that are relatively prime to 28888961.
28888961 has 4 divisors, whose sum is 28981572
The reverse of 28888961 is 16988882
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred sixty-one
Scientific notation
2.8888961 × 10^7
Engineering notation
2.8888961 × 10^6
Prime Factorization
313 × 92297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28888961
Product of the distinct prime numbers
The prime factorization of 28888961 is 313 × 92297.
Since it has a total of 2 prime factors.
5 , 4 , 48 , 38 , 178 , 235 , 209 , 4792 , 1874 , 60874 , 616933 , 925641 , 3743082 , 9845358 , 61458580 , 56204145 , 494214179 , 655006047 , 2595154977 , 6929946259
n×2
57777922
n×3
86666883
n×4
115555844
n×5
144444805
n÷2
14444480.5
n÷3
9629653.6666667
n÷3
7222240.25
n÷5
5777792.2
n2
834572067659521
n3
2.4109919914305E+22
n4
6.9651053611749E+29
n5
2.0121465713987E+37
2 √n
5374.8452070734
3 √n
306.83905805594
4 √n
73.313335806478
5 √n
31.056061960888
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
-28888960
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 28888961 can be divided by 4 positive divisors.
The sum of these divisors (counting 28888961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110001100111110000001
3
Ternary
2000100201012112
4
Quaternary
1232030332001
5
Quinary
24343421321
6
Senary
2511105105
8
Octal
156147601
10
Decimal
28888961
12
Duodecimal
9812195
16
Hexadecimal
1b8cf81
20
Vigesimal
90b281
36
Base36
h76v5
md5
72058f4e57ccda44ef0557c38c1a1d21
sha1
fdbf566023cb126b062e0bbe5b679daeb6db861d
sha256
4112d6d23a6e358946c13f2aacc38639a6553d9378f7fb619f68064a23e443a9
sha512
f3a73702f4179d1639ef7371680879b907c0eec0ac1d5ed2bf8ee5778dfe49c742f11a17c35797b2d975478a68d2174fe081827eb083ca05959bf31ea3beeb02
ripemd-160
499594d2196adc7cbeccc38108e7500ea3db7f37
Diameter
57777922
Circumference
181514695.29488
Area
2.6218854766504E+15
Volume
1.0099139637523E+23
Surface area
1.0487541906602E+16
Circumference
181514695.29488
Perimeter
115555844
Area
834572067659521
Diagonal
40855160.449067
Surface area
5007432405957126
Volume
2.4109919914305E+22
Space diagonal
50037148.229876
Perimeter
86666883
Area
3.6138030594103E+14
Altitude
25018574.114938
Surface area
3.6138030594103E+14
Volume
2.8413813108783E+21
Height
13618386.816356