28973145 is an odd 8-digits composite number following 28973144
and preceding 28973146 . In scientific notation, it is written as 2.8973145 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 15035328 positive integers (up to 28973145) that are relatively prime to 28973145.
28973145 has 16 divisors, whose sum is 31752192
The reverse of 28973145 is 54137982
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million nine hundred seventy-three thousand one hundred forty-five
Scientific notation
2.8973145 × 10^7
Engineering notation
2.8973145 × 10^6
Prime Factorization
15 × 67 × 127 × 227
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28973145
Product of the distinct prime numbers
The prime factorization of 28973145 is 15 × 67 × 127 × 227.
Since it has a total of 4 prime factors.
2 , 6 , 73 , 1 , 207 , 77 , 7847 , 2678 , 88185 , 92438 , 986506 , 36167 , 7575079 , 7650243 , 49342832 , 42475612 , 54835622 , 351969765 , 3728291763 , 283928668
n×2
57946290
n×3
86919435
n×4
115892580
n×5
144865725
n÷2
14486572.5
n÷3
9657715
n÷3
7243286.25
n÷5
5794629
n2
839443131191025
n3
2.4321307559252E+22
n4
7.0466477050379E+29
n5
2.0416354572198E+37
2 √n
5382.6708054645
3 √n
307.13681756905
4 √n
73.366687300603
5 √n
31.074140710128
1 , 15 , 67 , 127 , 227 , 1005 , 1905 , 3405 , 8509 , 15209 , 28829 , 127635 , 228135 , 432435 , 1931543 , 28973145
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
-28973144
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 28973145 can be divided by 16 positive divisors.
The sum of these divisors (counting 28973145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100001100001011001
3
Ternary
2000111222200110
4
Quaternary
1232201201121
5
Quinary
24404120040
6
Senary
2512554533
8
Octal
156414131
10
Decimal
28973145
12
Duodecimal
9852a49
16
Hexadecimal
1ba1859
20
Vigesimal
911ch5
36
Base36
h8ztl
md5
3c1271e54e1b79bd0dc348dae08f9880
sha1
136002d2b19d5209c89b33327f26d65d5fed85ca
sha256
8d75876181f48c564293b18cf838880b17d84109a2df2e0f653dde3d69442b80
sha512
8afa537d79c84fc8aaae05796c978ae18d5e289aa2abc0a69c40378fca944f11791ef6506b4b0f625b300e704ed5e688692357144ceabd9df6904195345e3931
ripemd-160
05fd67982af54140f45aec1ff4122cdcaf8cdafd
Diameter
57946290
Circumference
182043638.96678
Area
2.6371883740561E+15
Volume
1.0187685487179E+23
Surface area
1.0548753496225E+16
Circumference
182043638.96678
Perimeter
115892580
Area
839443131191025
Diagonal
40974214.603602
Surface area
5036658787146150
Volume
2.4321307559252E+22
Space diagonal
50182959.19506
Perimeter
86919435
Area
3.6348953832189E+14
Altitude
25091479.59753
Surface area
3.6348953832189E+14
Volume
2.8662935837451E+21
Height
13658071.534534