28461489 is an odd 8-digits composite number following 28461488
and preceding 28461490 . In scientific notation, it is written as 2.8461489 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 16263696 positive integers (up to 28461489) that are relatively prime to 28461489.
28461489 has 4 divisors, whose sum is 29816820
The reverse of 28461489 is 98416482
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million four hundred sixty-one thousand four hundred eighty-nine
Scientific notation
2.8461489 × 10^7
Engineering notation
2.8461489 × 10^6
Prime Factorization
21 × 1355309
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28461489
Product of the distinct prime numbers
The prime factorization of 28461489 is 21 × 1355309.
Since it has a total of 2 prime factors.
3 , 10 , 42 , 36 , 808 , 269 , 2205 , 9544 , 82922 , 23204 , 378733 , 378328 , 5328001 , 7463752 , 68155600 , 48906894 , 542491112 , 87362255 , 8965196842 , 6925060131
n×2
56922978
n×3
85384467
n×4
113845956
n×5
142307445
n÷2
14230744.5
n÷3
9487163
n÷3
7115372.25
n÷5
5692297.8
n2
810056356097121
n3
2.3055410068438E+22
n4
6.5619130005335E+29
n5
1.8676181468364E+37
2 √n
5334.9310211098
3 √n
305.31809150264
4 √n
73.040612135372
5 √n
30.963605345213
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
-28461488
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 28461489 can be divided by 4 positive divisors.
The sum of these divisors (counting 28461489) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100100100100110110001
3
Ternary
1222112222211020
4
Quaternary
1230210212301
5
Quinary
24241231424
6
Senary
2454010053
8
Octal
154444661
10
Decimal
28461489
12
Duodecimal
9646929
16
Hexadecimal
1b249b1
20
Vigesimal
8hhde9
36
Base36
gy10x
md5
2f3555a09fb32ed0e193f4bd2ee0ed48
sha1
f2ed97a9224cf9ee9828fcfa52496e44a9d784f6
sha256
785e024b47badb5b4d9fb022ff50f7bce52d7761433f1b8e4b563dfc495bfb62
sha512
dde818c4bcf1b157591fcc2871ed4cc712d39f435c47c56147814e1f37b3dd97f0c632691ba9e82b10c0f7ec749c1e9a808d96c55f68526d2a995c347974c98c
ripemd-160
2976adb46f6b630b305fb35ed41047a14431783a
Diameter
56922978
Circumference
178828809.50525
Area
2.5448670973084E+15
Volume
9.6574275862008E+22
Surface area
1.0179468389234E+16
Circumference
178828809.50525
Perimeter
113845956
Area
810056356097121
Diagonal
40250623.749133
Surface area
4860338136582726
Volume
2.3055410068438E+22
Space diagonal
49296745.007063
Perimeter
85384467
Area
3.5076469143858E+14
Altitude
24648372.503531
Surface area
3.5076469143858E+14
Volume
2.7171061337382E+21
Height
13416874.583044