28390061 is an odd 8-digits composite number following 28390060
and preceding 28390062 . In scientific notation, it is written as 2.8390061 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 24230808 positive integers (up to 28390061) that are relatively prime to 28390061.
28390061 has 12 divisors, whose sum is 33165792
The reverse of 28390061 is 16009382
Previous prime number is 2203
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million three hundred ninety thousand sixty-one
Scientific notation
2.8390061 × 10^7
Engineering notation
2.8390061 × 10^6
Prime Factorization
7 × 7 × 2203 × 263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4055723
Product of the distinct prime numbers
The prime factorization of 28390061 is 7 × 7 × 2203 × 263.
Since it has a total of 4 prime factors.
6 , 8 , 8 , 5 , 588 , 328 , 6780 , 1718 , 24582 , 43200 , 565481 , 343665 , 3766710 , 4218387 , 11993844 , 36183685 , 787949243 , 379451400 , 9727132232 , 6390556927
n×2
56780122
n×3
85170183
n×4
113560244
n×5
141950305
n÷2
14195030.5
n÷3
9463353.6666667
n÷3
7097515.25
n÷5
5678012.2
n2
805995563583721
n3
2.2882263215871E+22
n4
6.4962884851664E+29
n5
1.8443002636747E+37
2 √n
5328.2324461307
3 √n
305.06246503462
4 √n
72.9947425924
5 √n
30.948048239643
1 , 7 , 49 , 263 , 1841 , 2203 , 12887 , 15421 , 107947 , 579389 , 4055723 , 28390061
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
-28390060
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 28390061 can be divided by 12 positive divisors.
The sum of these divisors (counting 28390061) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100010011001010101101
3
Ternary
1222102100211202
4
Quaternary
1230103022231
5
Quinary
24231440221
6
Senary
2452255245
8
Octal
154231255
10
Decimal
28390061
12
Duodecimal
9611525
16
Hexadecimal
1b132ad
20
Vigesimal
8h8f31
36
Base36
gwhwt
md5
12c31a54f9c81f8e6a2541532c035d96
sha1
c02acff851353b4f4bd9cfbdb8268a8dac397c3d
sha256
063501439fabd2b1c72ff612f3fd4d605f8af08d168d99dd97a4c26c272ffaa7
sha512
e71fa094ce268c55305a7a159f34a11f903e49f9b344622b7d2c1febc3e87ef79459d9aec4a94cc2a59783ba410369848d216e48cd8a94634b4ac00c30a2adca
ripemd-160
b40d44adaaf9ee3abee20f8a97a40e347432c553
Diameter
56780122
Circumference
178380014.14513
Area
2.5321097413806E+15
Volume
9.5849000021985E+22
Surface area
1.0128438965522E+16
Circumference
178380014.14513
Perimeter
113560244
Area
805995563583721
Diagonal
40149609.302799
Surface area
4835973381502326
Volume
2.2882263215871E+22
Space diagonal
49173028.08198
Perimeter
85170183
Area
3.4900631670053E+14
Altitude
24586514.04099
Surface area
3.4900631670053E+14
Volume
2.696700581473E+21
Height
13383203.100933