28551487 is an odd 8-digits composite number following 28551486
and preceding 28551488 . In scientific notation, it is written as 2.8551487 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 27310096 positive integers (up to 28551487) that are relatively prime to 28551487.
28551487 has 4 divisors, whose sum is 29792880
The reverse of 28551487 is 78415582
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million five hundred fifty-one thousand four hundred eighty-seven
Scientific notation
2.8551487 × 10^7
Engineering notation
2.8551487 × 10^6
Prime Factorization
23 × 1241369
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28551487
Product of the distinct prime numbers
The prime factorization of 28551487 is 23 × 1241369.
Since it has a total of 2 prime factors.
9 , 7 , 72 , 78 , 845 , 863 , 3824 , 3535 , 87124 , 61717 , 723793 , 718005 , 649226 , 6991869 , 24271761 , 78157724 , 277452784 , 744995749 , 4328761043 , 8698105962
n×2
57102974
n×3
85654461
n×4
114205948
n×5
142757435
n÷2
14275743.5
n÷3
9517162.3333333
n÷3
7137871.75
n÷5
5710297.4
n2
815187409911169
n3
2.3274812736642E+22
n4
6.6453051327768E+29
n5
1.8973334310951E+37
2 √n
5343.359149449
3 √n
305.63956807341
4 √n
73.09828417582
5 √n
30.983162611152
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28551486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28551487 can be divided by 4 positive divisors.
The sum of these divisors (counting 28551487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100111010100100111111
3
Ternary
1222201120021111
4
Quaternary
1230322210333
5
Quinary
24302121422
6
Senary
2455542451
8
Octal
154724477
10
Decimal
28551487
12
Duodecimal
968aa27
16
Hexadecimal
1b3a93f
20
Vigesimal
8i8ie7
36
Base36
gzygv
md5
f11bb7fd1ca8bcbac5d3a6b9b02f1797
sha1
d58f27cac1c94a6cf80ec085004e82fcd79a1b4e
sha256
c1b1332b32bd129d31aa4d32faa72b89b009dbbdbd9801675a36379ace32f48a
sha512
0b62ac7a3a4284fb4a9892a22c714c673f5ea411c86e4957350e874f995b1666f5bf51c74d7854a3397392b80657145a658f39750fdeb4d292eb22b9882db8b8
ripemd-160
5c4a1af750259df177743f407e369f34421c6790
Diameter
57102974
Circumference
179394283.61653
Area
2.5609867782758E+15
Volume
9.7493307609485E+22
Surface area
1.0243947113103E+16
Circumference
179394283.61653
Perimeter
114205948
Area
815187409911169
Diagonal
40377900.141319
Surface area
4891124459467014
Volume
2.3274812736642E+22
Space diagonal
49452626.115642
Perimeter
85654461
Area
3.5298650291416E+14
Altitude
24726313.057821
Surface area
3.5298650291416E+14
Volume
2.7429629861545E+21
Height
13459300.047106