28808217 is an odd 8-digits composite number following 28808216
and preceding 28808218 . In scientific notation, it is written as 2.8808217 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 18074880 positive integers (up to 28808217) that are relatively prime to 28808217.
28808217 has 12 divisors, whose sum is 34270236
The reverse of 28808217 is 71280882
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million eight hundred eight thousand two hundred seventeen
Scientific notation
2.8808217 × 10^7
Engineering notation
2.8808217 × 10^6
Prime Factorization
9 × 9 × 17 × 20921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3200913
Product of the distinct prime numbers
The prime factorization of 28808217 is 9 × 9 × 17 × 20921.
Since it has a total of 4 prime factors.
1 , 6 , 79 , 32 , 961 , 726 , 7966 , 5620 , 70910 , 31939 , 456777 , 679655 , 3228896 , 3314039 , 34110755 , 2141932 , 718076957 , 163327109 , 240951600 , 9669694214
n×2
57616434
n×3
86424651
n×4
115232868
n×5
144041085
n÷2
14404108.5
n÷3
9602739
n÷3
7202054.25
n÷5
5761643.4
n2
829913366719089
n3
2.3908324359644E+22
n4
6.8875619625901E+29
n5
1.9841837961924E+37
2 √n
5367.3286651741
3 √n
306.5529218734
4 √n
73.262054743053
5 √n
31.038682319983
1 , 9 , 17 , 81 , 153 , 1377 , 20921 , 188289 , 355657 , 1694601 , 3200913 , 28808217
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
-28808216
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 28808217 can be divided by 12 positive divisors.
The sum of these divisors (counting 28808217) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101111001010000011001
3
Ternary
2000012121110000
4
Quaternary
1231321100121
5
Quinary
24333330332
6
Senary
2505243213
8
Octal
155712031
10
Decimal
28808217
12
Duodecimal
9793509
16
Hexadecimal
1b79419
20
Vigesimal
9010ah
36
Base36
h5gk9
md5
1a3b8758dd8e83d6a515ec97ef65d6ee
sha1
d03a3695558dbf7fab8e40c512af79f27a42062e
sha256
b28a652699cccb8e287763114ac21601db321d78b19dfb124b383285f3f4bbb1
sha512
479183bfc133d536b445d517e98a6929a03265784278816cb95a13f51c3565e6dbca5b1df98af1863b80eb4479748d9d45a9409c4a07cad174183c74f1586ce6
ripemd-160
56fec66ee51cedbea2acaeb35226f2430a5f1f0d
Diameter
57616434
Circumference
181007365.78044
Area
2.6072497360007E+15
Volume
1.0014695489053E+23
Surface area
1.0428998944003E+16
Circumference
181007365.78044
Perimeter
115232868
Area
829913366719089
Diagonal
40740971.189187
Surface area
4979480200314534
Volume
2.3908324359644E+22
Space diagonal
49897295.519469
Perimeter
86424651
Area
3.593630292595E+14
Altitude
24948647.759735
Surface area
3.593630292595E+14
Volume
2.8176230469186E+21
Height
13580323.729729