28621810 is an even 8-digits composite number following 28621809
and preceding 28621811 . In scientific notation, it is written as 2.8621810 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9650880 positive integers (up to 28621810) that are relatively prime to 28621810.
28621810 has 16 divisors, whose sum is 44889984
The reverse of 28621810 is 01812682
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million six hundred twenty-one thousand eight hundred ten
Scientific notation
2.8621810 × 10^7
Engineering notation
2.8621810 × 10^6
Prime Factorization
2 × 35 × 61 × 6703
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28621810
Product of the distinct prime numbers
The prime factorization of 28621810 is 2 × 35 × 61 × 6703.
Since it has a total of 4 prime factors.
7 , 7 , 39 , 25 , 476 , 536 , 5633 , 5796 , 8487 , 97625 , 327901 , 243050 , 8917506 , 5786371 , 98629312 , 53771396 , 121595601 , 922292774 , 7000080392 , 8006339089
n×2
57243620
n×3
85865430
n×4
114487240
n×5
143109050
n÷2
14310905
n÷3
9540603.3333333
n÷3
7155452.5
n÷5
5724362
n2
819208007676100
n3
2.3447215946184E+22
n4
6.7110175984065E+29
n5
1.9208147060825E+37
2 √n
5349.93551363
3 √n
305.89029487588
4 √n
73.143253370561
5 √n
30.998410051735
1 , 2 , 35 , 61 , 70 , 122 , 2135 , 4270 , 6703 , 13406 , 234605 , 408883 , 469210 , 817766 , 14310905 , 28621810
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
-28621809
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 28621810 can be divided by 16 positive divisors.
The sum of these divisors (counting 28621810) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101001011101111110010
3
Ternary
1222212010202001
4
Quaternary
1231023233302
5
Quinary
24311344220
6
Senary
2501244214
8
Octal
155135762
10
Decimal
28621810
12
Duodecimal
970366a
16
Hexadecimal
1b4bbf2
20
Vigesimal
8iheaa
36
Base36
h1gqa
md5
b468be1f6ac6e4bdcf5e85b9e90aa174
sha1
2af6128c41d92c2f494f807e8866055cd5eb7097
sha256
235a0ce69f3a0cda6e845b8f55a6a76e2ce2c4131a4db536e2e003b3438f0ca4
sha512
4df766aa7adcea99ac47184cb301d61fb950c1c0faa0fd721c849fe8d17af31375a980db014eb33132aaa07b6e5220822006a0c4062c0986ed3904cdccd68581
ripemd-160
ba6dd2402c7727dbaa569287953b3189c5d43a67
Diameter
57243620
Circumference
179836136.05689
Area
2.5736178586772E+15
Volume
9.8215468484886E+22
Surface area
1.0294471434709E+16
Circumference
179836136.05689
Perimeter
114487240
Area
819208007676100
Diagonal
40477351.881666
Surface area
4915248046056600
Volume
2.3447215946184E+22
Space diagonal
49574429.124583
Perimeter
85865430
Area
3.5472747281557E+14
Altitude
24787214.562291
Surface area
3.5472747281557E+14
Volume
2.7632808992487E+21
Height
13492450.627222