28702919 is an odd 8-digits composite number following 28702918
and preceding 28702920 . In scientific notation, it is written as 2.8702919 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 22146432 positive integers (up to 28702919) that are relatively prime to 28702919.
28702919 has 16 divisors, whose sum is 36246528
The reverse of 28702919 is 91920782
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million seven hundred two thousand nine hundred nineteen
Scientific notation
2.8702919 × 10^7
Engineering notation
2.8702919 × 10^6
Prime Factorization
7 × 23 × 17 × 10487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28702919
Product of the distinct prime numbers
The prime factorization of 28702919 is 7 × 23 × 17 × 10487.
Since it has a total of 4 prime factors.
3 , 6 , 3 , 13 , 178 , 10 , 4146 , 277 , 28662 , 84732 , 461018 , 907974 , 615178 , 696056 , 15852331 , 61699758 , 494627195 , 596486708 , 5430150557 , 2582107424
n×2
57405838
n×3
86108757
n×4
114811676
n×5
143514595
n÷2
14351459.5
n÷3
9567639.6666667
n÷3
7175729.75
n÷5
5740583.8
n2
823857559120561
n3
2.3647116786975E+22
n4
6.7874127772009E+29
n5
1.9481855916356E+37
2 √n
5357.5105226215
3 √n
306.17896817139
4 √n
73.195017061419
5 √n
31.015958941245
1 , 7 , 17 , 23 , 119 , 161 , 391 , 2737 , 10487 , 73409 , 178279 , 241201 , 1247953 , 1688407 , 4100417 , 28702919
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28702918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28702919 can be divided by 16 positive divisors.
The sum of these divisors (counting 28702919) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011111100011000111
3
Ternary
2000000021000002
4
Quaternary
1231133203013
5
Quinary
24321443134
6
Senary
2503111515
8
Octal
155374307
10
Decimal
28702919
12
Duodecimal
974259b
16
Hexadecimal
1b5f8c7
20
Vigesimal
8j7h5j
36
Base36
h37bb
md5
2e9dbefa05383a04795c6a03e7ffb9eb
sha1
3ebf9bdf220e81f2a67a9e694770f421e3126f73
sha256
fdeee3fb9128fdc6b7873b4a7bc86b89b93937b576d007e2c9fea7276cac1a37
sha512
77c6e4495253bf390c5725a1697a6f7928d446c5cd0e5a86d3f762837c2ee5f8c94c12197653274a3075e47865e16b11006d667c0ed576c0feb24bda0d629640
ripemd-160
c34a5e9fde7231c72b8c77e1a728290fae1c30af
Diameter
57405838
Circumference
180345758.93397
Area
2.5882248553376E+15
Volume
9.9052811168721E+22
Surface area
1.035289942135E+16
Circumference
180345758.93397
Perimeter
114811676
Area
823857559120561
Diagonal
40592057.329496
Surface area
4943145354723366
Volume
2.3647116786975E+22
Space diagonal
49714914.033534
Perimeter
86108757
Area
3.5674078764912E+14
Altitude
24857457.016767
Surface area
3.5674078764912E+14
Volume
2.7868394392634E+21
Height
13530685.776499