28821402 is an even 8-digits composite number following 28821401
and preceding 28821403 . In scientific notation, it is written as 2.8821402 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 9449280 positive integers (up to 28821402) that are relatively prime to 28821402.
28821402 has 24 divisors, whose sum is 63472500
The reverse of 28821402 is 20412882
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million eight hundred twenty-one thousand four hundred two
Scientific notation
2.8821402 × 10^7
Engineering notation
2.8821402 × 10^6
Prime Factorization
2 × 3 × 3 × 61 × 26249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9607134
Product of the distinct prime numbers
The prime factorization of 28821402 is 2 × 3 × 3 × 61 × 26249.
Since it has a total of 5 prime factors.
8 , 8 , 47 , 44 , 372 , 168 , 2336 , 4581 , 36686 , 83622 , 256911 , 288166 , 2931434 , 9665567 , 257544 , 24831346 , 242346098 , 5229427 , 9142450533 , 31402036
n×2
57642804
n×3
86464206
n×4
115285608
n×5
144107010
n÷2
14410701
n÷3
9607134
n÷3
7205350.5
n÷5
5764280.4
n2
830673213245604
n3
2.3941166609583E+22
n4
6.9001798720378E+29
n5
1.9887285796431E+37
2 √n
5368.5567893057
3 √n
306.59968264999
4 √n
73.270435984138
5 √n
31.041522968714
1 , 2 , 3 , 6 , 9 , 18 , 61 , 122 , 183 , 366 , 549 , 1098 , 26249 , 52498 , 78747 , 157494 , 236241 , 472482 , 1601189 , 3202378 , 4803567 , 9607134 , 14410701 , 28821402
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
-28821401
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 28821402 can be divided by 24 positive divisors.
The sum of these divisors (counting 28821402) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101111100011110011010
3
Ternary
2000020021112100
4
Quaternary
1231330132122
5
Quinary
24334241102
6
Senary
2505424230
8
Octal
155743632
10
Decimal
28821402
12
Duodecimal
979b076
16
Hexadecimal
1b7c79a
20
Vigesimal
902da2
36
Base36
h5qqi
md5
f44c62167d66e6e262061eddc980270e
sha1
4125f3c863656b7f5ee4a503f431d9319eea80d4
sha256
0071570a1acfe4b06474dbf234311e9559bec1c5816a4082cfd980e70cf74911
sha512
a2a8749bd358536ba91be8cc1f0acb11c2b7a3dfad3f6f5d282cecf823979073bd6e12d0891f396c5ca1024829046af5b30b1e267a4f814b9cd7ee3e09c0fc01
ripemd-160
64714bc14a79d34249973ea00df3962f4290c780
Diameter
57642804
Circumference
181090209.57872
Area
2.6096368642662E+15
Volume
1.0028452418538E+23
Surface area
1.0438547457065E+16
Circumference
181090209.57872
Perimeter
115285608
Area
830673213245604
Diagonal
40759617.595007
Surface area
4984039279473624
Volume
2.3941166609583E+22
Space diagonal
49920132.609367
Perimeter
86464206
Area
3.5969205245697E+14
Altitude
24960066.304684
Surface area
3.5969205245697E+14
Volume
2.8214935431922E+21
Height
13586539.198336