28651640 is an even 8-digits composite number following 28651639
and preceding 28651641 . In scientific notation, it is written as 2.8651640 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 11460640 positive integers (up to 28651640) that are relatively prime to 28651640.
28651640 has 16 divisors, whose sum is 64466280
The reverse of 28651640 is 04615682
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million six hundred fifty-one thousand six hundred forty
Scientific notation
2.8651640 × 10^7
Engineering notation
2.8651640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 716291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7162910
Product of the distinct prime numbers
The prime factorization of 28651640 is 2 × 2 × 2 × 5 × 716291.
Since it has a total of 5 prime factors.
9 , 1 , 42 , 25 , 425 , 89 , 4817 , 234 , 46183 , 13574 , 963436 , 492966 , 2419712 , 2738419 , 34697647 , 48089847 , 392831780 , 617456849 , 7435057652 , 1220684971
n×2
57303280
n×3
85954920
n×4
114606560
n×5
143258200
n÷2
14325820
n÷3
9550546.6666667
n÷3
7162910
n÷5
5730328
n2
820916474689600
n3
2.3520603302876E+22
n4
6.739038584168E+29
n5
1.9308450745969E+37
2 √n
5352.7226716877
3 √n
305.9965255134
4 √n
73.162303624802
5 √n
31.004868744085
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 716291 , 1432582 , 2865164 , 3581455 , 5730328 , 7162910 , 14325820 , 28651640
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
-28651639
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 28651640 can be divided by 16 positive divisors.
The sum of these divisors (counting 28651640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010011000001111000
3
Ternary
1222220122122212
4
Quaternary
1231103001320
5
Quinary
24313323030
6
Senary
2502034252
8
Octal
155230170
10
Decimal
28651640
12
Duodecimal
9718988
16
Hexadecimal
1b53078
20
Vigesimal
8j1920
36
Base36
h23qw
md5
15b29f9003a53404b0784014802e1b6d
sha1
7995e9702a6b9ce38127639365043fd5af924e47
sha256
92c45210cbb39f8e3ce89d1426ffb7a9d0d7fd1f11bffefbf044d97b6720e4c8
sha512
16cfe5c6f7ed8464d63bbcd501cfdbf8da751890677affbe31ac0535a1930ba14d4c94502f4c62552b47a09036ba8bf343057a9558f21130ab19471751bb45ce
ripemd-160
4d0f956dacb752286a11889d7d480710618b50bb
Diameter
57303280
Circumference
180023563.4746
Area
2.5789851660957E+15
Volume
9.8522872725751E+22
Surface area
1.0315940664383E+16
Circumference
180023563.4746
Perimeter
114606560
Area
820916474689600
Diagonal
40519537.872231
Surface area
4925498848137600
Volume
2.3520603302876E+22
Space diagonal
49626096.200173
Perimeter
85954920
Area
3.5546726073318E+14
Altitude
24813048.100086
Surface area
3.5546726073318E+14
Volume
2.771929682177E+21
Height
13506512.624077