28397941 is an odd 8-digits composite number following 28397940
and preceding 28397942 . In scientific notation, it is written as 2.8397941 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 23486400 positive integers (up to 28397941) that are relatively prime to 28397941.
28397941 has 16 divisors, whose sum is 33844608
The reverse of 28397941 is 14979382
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million three hundred ninety-seven thousand nine hundred forty-one
Scientific notation
2.8397941 × 10^7
Engineering notation
2.8397941 × 10^6
Prime Factorization
13 × 11 × 71 × 2797
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28397941
Product of the distinct prime numbers
The prime factorization of 28397941 is 13 × 11 × 71 × 2797.
Since it has a total of 4 prime factors.
2 , 2 , 12 , 93 , 131 , 640 , 3599 , 3171 , 85026 , 66324 , 362529 , 535918 , 7342148 , 2921204 , 65637787 , 82687308 , 339664821 , 133742358 , 8528022865 , 6087661120
n×2
56795882
n×3
85193823
n×4
113591764
n×5
141989705
n÷2
14198970.5
n÷3
9465980.3333333
n÷3
7099485.25
n÷5
5679588.2
n2
806443053039481
n3
2.2901322240075E+22
n4
6.5035039779564E+29
n5
1.8468612225927E+37
2 √n
5328.9718520555
3 √n
305.09068699874
4 √n
72.999807205605
5 √n
30.949766048907
1 , 11 , 13 , 71 , 143 , 781 , 923 , 2797 , 10153 , 30767 , 36361 , 198587 , 399971 , 2184457 , 2581631 , 28397941
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
-28397940
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 28397941 can be divided by 16 positive divisors.
The sum of these divisors (counting 28397941) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010101000101110101
3
Ternary
1222102202122121
4
Quaternary
1230111011311
5
Quinary
24232213231
6
Senary
2452355541
8
Octal
154250565
10
Decimal
28397941
12
Duodecimal
9615bb1
16
Hexadecimal
1b15175
20
Vigesimal
8h9eh1
36
Base36
gwnzp
md5
e90a5bf594993ac2ab4ff2caf2b34078
sha1
7450a1c1cfb06b6ce7d353d951a56659f64128b9
sha256
2297f9bfed7581d142b806c2e5e03ca232014b5b32198e740bb2bb7e7e6bcea1
sha512
83408abcb08e248218a92dabf2af3da12bfd0fa8e8f6d87efef4ce0235026a3b282f4af3f91b1363c2ead3004737d0ad3ec28d7f72e62f052a780972624087a6
ripemd-160
a0953f9b6c1623c73d47f373d602c802e7a2207c
Diameter
56795882
Circumference
178429525.64535
Area
2.5335155709674E+15
Volume
9.5928834275883E+22
Surface area
1.0134062283869E+16
Circumference
178429525.64535
Perimeter
113591764
Area
806443053039481
Diagonal
40160753.305671
Surface area
4838658318236886
Volume
2.2901322240075E+22
Space diagonal
49186676.642343
Perimeter
85193823
Area
3.4920008531884E+14
Altitude
24593338.321172
Surface area
3.4920008531884E+14
Volume
2.6989467090159E+21
Height
13386917.768557