28063721 is an odd 8-digits composite number following 28063720
and preceding 28063722 . In scientific notation, it is written as 2.8063721 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 22982400 positive integers (up to 28063721) that are relatively prime to 28063721.
28063721 has 12 divisors, whose sum is 32801220
The reverse of 28063721 is 12736082
Previous prime number is 2501
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million sixty-three thousand seven hundred twenty-one
Scientific notation
2.8063721 × 10^7
Engineering notation
2.8063721 × 10^6
Prime Factorization
7 × 7 × 2501 × 229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4009103
Product of the distinct prime numbers
The prime factorization of 28063721 is 7 × 7 × 2501 × 229.
Since it has a total of 4 prime factors.
10 , 1 , 55 , 25 , 414 , 468 , 2578 , 3540 , 70954 , 71843 , 479496 , 565907 , 8155110 , 6850529 , 58401012 , 78218417 , 233441942 , 2900806 , 3547224401 , 6981433018
n×2
56127442
n×3
84191163
n×4
112254884
n×5
140318605
n÷2
14031860.5
n÷3
9354573.6666667
n÷3
7015930.25
n÷5
5612744.2
n2
787572436365841
n3
2.2102213121461E+22
n4
6.2027034252323E+29
n5
1.7407093837146E+37
2 √n
5297.520268956
3 √n
303.88907324647
4 √n
72.784066037533
5 √n
30.876570081846
1 , 7 , 49 , 229 , 1603 , 2501 , 11221 , 17507 , 122549 , 572729 , 4009103 , 28063721
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
-28063720
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 28063721 can be divided by 12 positive divisors.
The sum of these divisors (counting 28063721) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011000011011111101001
3
Ternary
1221210210012002
4
Quaternary
1223003133221
5
Quinary
24141014341
6
Senary
2441300345
8
Octal
153033751
10
Decimal
28063721
12
Duodecimal
94946b5
16
Hexadecimal
1ac37e9
20
Vigesimal
8f7j61
36
Base36
gpi3t
md5
d217ff29c34f7e0399f02c9981ac4801
sha1
8dadb6a721f14c99f3f3ca5fa2a63b038e096a96
sha256
2b0e2bfbc11330de97685d07917605f43e7dea2cfb07de7b5172fc138afd107e
sha512
3d61f0e5b10e71e3da5eb91acd2bb3a3ca79e11edc910e4d0c7f133a7c50c846d24af54e6fcc7e62c7317e0b065436ef3a73003a9d54ab815fddc5035e3ed3f9
ripemd-160
b3b41e508713654619178a018cd7c89bfee1bde4
Diameter
56127442
Circumference
176329559.45199
Area
2.4742317802567E+15
Volume
9.2581533827278E+22
Surface area
9.896927121027E+15
Circumference
176329559.45199
Perimeter
112254884
Area
787572436365841
Diagonal
39688094.848855
Surface area
4725434618195046
Volume
2.2102213121461E+22
Space diagonal
48607790.621438
Perimeter
84191163
Area
3.4102886860661E+14
Altitude
24303895.310719
Surface area
3.4102886860661E+14
Volume
2.6047707962359E+21
Height
13229364.949618