28138897 is an odd 8-digits prime number following 28138896
and preceding 28138898 . In scientific notation, it is written as 2.8138897 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 28138896 positive integers (up to 28138897) that are relatively prime to 28138897.
28138897 has 2 divisors, whose sum is 28138898
The reverse of 28138897 is 79883182
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
twenty-eight million one hundred thirty-eight thousand eight hundred ninety-seven
Scientific notation
2.8138897 × 10^7
Engineering notation
2.8138897 × 10^6
Prime Factorization
28138897
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28138897 Product of the distinct prime numbers
The prime factorization of 28138897 is 28138897.
Since it has a total of 1 prime factors.
5 , 7 , 30 , 86 , 723 , 185 , 5744 , 4298 , 46544 , 92645 , 645201 , 619512 , 3622846 , 6268844 , 88788346 , 68236072 , 764438836 , 243004653 , 4620169517 , 6746938718
n×2
56277794
n×3
84416691
n×4
112555588
n×5
140694485
n÷2
14069448.5
n÷3
9379632.3333333
n÷3
7034724.25
n÷5
5627779.4
n2
791797524376609
n3
2.2280308983288E+22
n4
6.2694331960893E+29
n5
1.7641493495314E+37
2 √n5304.6109188139
3 √n304.1601800414
4 √n72.832759928578
5 √n30.89309457531
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28138898 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14069449 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5304.6110130716 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999928924 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28138897 can be divided by 2 positive divisors.
The sum of these divisors (counting 28138897) is 28138898, the average is 14069449.
Base
System
Value
2
Binary
1101011010101110110010001
3
Ternary
1221221121022101
4
Quaternary
1223111312101
5
Quinary
24200421042
6
Senary
2443040401
8
Octal
153256621
10
Decimal
28138897
12
Duodecimal
9510101
16
Hexadecimal
1ad5d91
20
Vigesimal
8fh74h
36
Base36
gr441
md5
df67bd0d2a2cb906ca52261d1f380de4
sha1
e7eab898a0c8737c756cb84f346aa7e9552618f8
sha256
63a5a77b53f5e33a1fca150f7abe2bdf95fc6469cdf5e3fc766e2528f3d86b91
sha512
3eb48b7039a90b8bdb403f59704806d7bf1de895fbc5e1ba7bf658465ea1ac530834cab29f7fac023a6e67fb8098910645c9fea4c39067c53bc743a05abe61b3
ripemd-160
1858b71834e4a37258a7a0b6d2fe3ee79924142c
Diameter
56277794
Circumference
176801904.19064
Area
2.4875052857121E+15
Volume
9.3327540028813E+22
Surface area
9.9500211428486E+15
Circumference
176801904.19064
Perimeter
112555588
Area
791797524376609
Diagonal
39794409.76762
Surface area
4750785146259654
Volume
2.2280308983288E+22
Space diagonal
48737999.272947
Perimeter
84416691
Area
3.4285838538189E+14
Altitude
24368999.636474
Surface area
3.4285838538189E+14
Volume
2.6257595948358E+21
Height
13264803.255873