28668769 is an odd 8-digits composite number following 28668768
and preceding 28668770 . In scientific notation, it is written as 2.8668769 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 27429600 positive integers (up to 28668769) that are relatively prime to 28668769.
28668769 has 8 divisors, whose sum is 29928960
The reverse of 28668769 is 96786682
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million six hundred sixty-eight thousand seven hundred sixty-nine
Scientific notation
2.8668769 × 10^7
Engineering notation
2.8668769 × 10^6
Prime Factorization
31 × 89 × 10391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28668769
Product of the distinct prime numbers
The prime factorization of 28668769 is 31 × 89 × 10391.
Since it has a total of 3 prime factors.
4 , 4 , 29 , 59 , 640 , 539 , 2465 , 1505 , 14451 , 62085 , 640975 , 83218 , 5463580 , 4479107 , 85965321 , 85973015 , 717526350 , 249900073 , 6199856970 , 2045574274
n×2
57337538
n×3
86006307
n×4
114675076
n×5
143343845
n÷2
14334384.5
n÷3
9556256.3333333
n÷3
7167192.25
n÷5
5733753.8
n2
821898315975361
n3
2.3562812962187E+22
n4
6.7551684180313E+29
n5
1.9366236293264E+37
2 √n
5354.3224594714
3 √n
306.0574920099
4 √n
73.173235950526
5 √n
31.008575027161
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
-28668768
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 28668769 can be divided by 8 positive divisors.
The sum of these divisors (counting 28668769) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101010111001101100001
3
Ternary
1222221112011021
4
Quaternary
1231113031201
5
Quinary
24314400034
6
Senary
2502245441
8
Octal
155271541
10
Decimal
28668769
12
Duodecimal
9726881
16
Hexadecimal
1b57361
20
Vigesimal
8j3bi9
36
Base36
h2gyp
md5
c070e61cf7b79b2ddc2b12f26005478c
sha1
26e832894b09c3282c9e8871b6143e2fd1f47069
sha256
c54e4d4a198c86bfa8cc9a81814931a0789373ff27a301dea00a358d723a8ca2
sha512
96f7abd7c39e2c4a217f15af9164c7b27440404d716149edf872dd2fd7b7e32ec3249a9175982833d76d5693691718c821d6f9c2adbbe50fcc733641065a72c2
ripemd-160
2472228b141ba0719dc241e3662fd7a1d06b0c63
Diameter
57337538
Circumference
180131188.15573
Area
2.582069711466E+15
Volume
9.8699680133221E+22
Surface area
1.0328278845864E+16
Circumference
180131188.15573
Perimeter
114675076
Area
821898315975361
Diagonal
40543761.936341
Surface area
4931389895852166
Volume
2.3562812962187E+22
Space diagonal
49655764.498456
Perimeter
86006307
Area
3.5589241048116E+14
Altitude
24827882.249228
Surface area
3.5589241048116E+14
Volume
2.7769041382321E+21
Height
13514587.312114