28777725 is an odd 8-digits composite number following 28777724
and preceding 28777726 . In scientific notation, it is written as 2.8777725 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 15144480 positive integers (up to 28777725) that are relatively prime to 28777725.
28777725 has 16 divisors, whose sum is 35769600
The reverse of 28777725 is 52777782
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million seven hundred seventy-seven thousand seven hundred twenty-five
Scientific notation
2.8777725 × 10^7
Engineering notation
2.8777725 × 10^6
Prime Factorization
45 × 5 × 79 × 1619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28777725
Product of the distinct prime numbers
The prime factorization of 28777725 is 45 × 5 × 79 × 1619.
Since it has a total of 4 prime factors.
9 , 7 , 1 , 57 , 271 , 218 , 4627 , 9717 , 44604 , 69399 , 421777 , 237720 , 271082 , 3120616 , 65876168 , 60867807 , 581550688 , 36729176 , 1821123310 , 3793627596
n×2
57555450
n×3
86333175
n×4
115110900
n×5
143888625
n÷2
14388862.5
n÷3
9592575
n÷3
7194431.25
n÷5
5755545
n2
828157456175625
n3
2.3832487530522E+22
n4
6.8584477221928E+29
n5
1.9737052247614E+37
2 √n
5364.4873939641
3 √n
306.44472691464
4 √n
73.242661024598
5 √n
31.032108970057
1 , 5 , 45 , 79 , 225 , 395 , 1619 , 3555 , 8095 , 17775 , 72855 , 127901 , 364275 , 639505 , 5755545 , 28777725
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
-28777724
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 28777725 can be divided by 16 positive divisors.
The sum of these divisors (counting 28777725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101110001110011111101
3
Ternary
2000011001121200
4
Quaternary
1231301303331
5
Quinary
24331341400
6
Senary
2504450113
8
Octal
155616375
10
Decimal
28777725
12
Duodecimal
9779939
16
Hexadecimal
1b71cfd
20
Vigesimal
8jh465
36
Base36
h4t19
md5
e6dbacf9d1067a18c4737c998d127908
sha1
d219c6467ab92d6be7167517d5c64d02662621d2
sha256
6e68f6ba705dfa0b8157e7ba5eab7d7d0cc65d54f3bf1b021f4cdafa2cf59296
sha512
2a1693fbd12017d325c98c115eb3a8a291c88568be704ce2e2bc98b27085c3f0915f272baa07359d6fbd7736df846a3ee82d6f03e0c8fee488bc8bcad4864a82
ripemd-160
79dbe31920aa2f40ed76ca7cf992488d736ed40c
Diameter
57555450
Circumference
180815778.89405
Area
2.601733380337E+15
Volume
9.9829290323543E+22
Surface area
1.0406933521348E+16
Circumference
180815778.89405
Perimeter
115110900
Area
828157456175625
Diagonal
40697848.989243
Surface area
4968944737053750
Volume
2.3832487530522E+22
Space diagonal
49844481.826245
Perimeter
86333175
Area
3.5860269769079E+14
Altitude
24922240.913123
Surface area
3.5860269769079E+14
Volume
2.808685590896E+21
Height
13565949.663081