28621618 is an even 8-digits composite number following 28621617
and preceding 28621619 . In scientific notation, it is written as 2.8621618 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 13849140 positive integers (up to 28621618) that are relatively prime to 28621618.
28621618 has 8 divisors, whose sum is 44317440
The reverse of 28621618 is 81612682
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million six hundred twenty-one thousand six hundred eighteen
Scientific notation
2.8621618 × 10^7
Engineering notation
2.8621618 × 10^6
Prime Factorization
2 × 31 × 461639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28621618
Product of the distinct prime numbers
The prime factorization of 28621618 is 2 × 31 × 461639.
Since it has a total of 3 prime factors.
6 , 6 , 49 , 94 , 392 , 200 , 1568 , 8180 , 57339 , 50664 , 795195 , 648642 , 7661491 , 7717219 , 18144127 , 73593496 , 247923548 , 248027920 , 4095033480 , 354223659
n×2
57243236
n×3
85864854
n×4
114486472
n×5
143108090
n÷2
14310809
n÷3
9540539.3333333
n÷3
7155404.5
n÷5
5724323.6
n2
819197016937924
n3
2.3446744085537E+22
n4
6.7108375255999E+29
n5
1.9207502811779E+37
2 √n
5349.9175694584
3 √n
305.8896108862
4 √n
73.143130705887
5 √n
30.998368463095
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28621617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28621618 can be divided by 8 positive divisors.
The sum of these divisors (counting 28621618) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101001011101100110010
3
Ternary
1222212010110221
4
Quaternary
1231023230302
5
Quinary
24311342433
6
Senary
2501243254
8
Octal
155135462
10
Decimal
28621618
12
Duodecimal
970352a
16
Hexadecimal
1b4bb32
20
Vigesimal
8ihe0i
36
Base36
h1gky
md5
ffde559ddce72a6c63b4a5e648d7037c
sha1
3bef741acbeb8ae82a6cc0eccbe0503ce90b9c26
sha256
5e9684146c88458a5b15bada53a4c9e2a5deb40b02daed7f027021f25d36b03d
sha512
04b2c10c02bcfa60ffdd427580f55b1748811bebc2c33f7ae052d2c8dfb689e7c48f9dd6f014c4bf10418cd323aab79402dd9a96bae785b0337ff3d215cfac28
ripemd-160
64b67c373486402f2dcdf68f43c03ee2fd2b69af
Diameter
57243236
Circumference
179834929.68531
Area
2.5735833302549E+15
Volume
9.821349195963E+22
Surface area
1.0294333321019E+16
Circumference
179834929.68531
Perimeter
114486472
Area
819197016937924
Diagonal
40477080.352662
Surface area
4915182101627544
Volume
2.3446744085537E+22
Space diagonal
49574096.570828
Perimeter
85864854
Area
3.5472271368634E+14
Altitude
24787048.285414
Surface area
3.5472271368634E+14
Volume
2.7632252899381E+21
Height
13492360.117554