21568149 is an odd 8-digits composite number following 21568148
and preceding 21568150 . In scientific notation, it is written as 2.1568149 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 14352552 positive integers (up to 21568149) that are relatively prime to 21568149.
21568149 has 12 divisors, whose sum is 31210816
The reverse of 21568149 is 94186512
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million five hundred sixty-eight thousand one hundred forty-nine
Scientific notation
2.1568149 × 10^7
Engineering notation
2.1568149 × 10^6
Prime Factorization
3 × 3 × 643 × 3727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7189383
Product of the distinct prime numbers
The prime factorization of 21568149 is 3 × 3 × 643 × 3727.
Since it has a total of 4 prime factors.
3 , 5 , 22 , 36 , 440 , 852 , 5273 , 1864 , 13847 , 60827 , 660154 , 563945 , 6941241 , 1302163 , 42588182 , 63052424 , 256098243 , 652649438 , 6199863665 , 1558432197
n×2
43136298
n×3
64704447
n×4
86272596
n×5
107840745
n÷2
10784074.5
n÷3
7189383
n÷3
5392037.25
n÷5
4313629.8
n2
465185051286201
n3
1.0033180498713E+22
n4
2.1639713194015E+29
n5
4.6672855848577E+36
2 √n
4644.1521292912
3 √n
278.35837448656
4 √n
68.148016326898
5 √n
29.29291389571
1 , 3 , 9 , 643 , 1929 , 3727 , 5787 , 11181 , 33543 , 2396461 , 7189383 , 21568149
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21568148
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568149 can be divided by 12 positive divisors.
The sum of these divisors (counting 21568149) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010010001101010010101
3
Ternary
1111120202221100
4
Quaternary
1102101222111
5
Quinary
21010140044
6
Senary
2050140313
8
Octal
122215225
10
Decimal
21568149
12
Duodecimal
7281699
16
Hexadecimal
1491a95
20
Vigesimal
6eg079
36
Base36
cua39
md5
e0d63abf331bbaf794f4fdb945778fe3
sha1
0fc2ba02e29d54b6f9a1855e2ec8d8bb3f342730
sha256
598a6a19e6f26e26ae06f68f355df42cec4527b866853f08a0d0917001ea45a2
sha512
dd7d8d4c3918b2dd1a27d5c75e0fbfc0ebef60403cebf63f28b4bbffe09384369d94d5df8834ddd054e4391db998a90b46407b8032cc5d8c25ddf6a7dfa0dd30
ripemd-160
9491147496624440d6a9863d2f85589713437154
Diameter
43136298
Circumference
135516676.89986
Area
1.4614219396805E+15
Volume
4.2026888195865E+22
Surface area
5.8456877587221E+15
Circumference
135516676.89986
Perimeter
86272596
Area
465185051286201
Diagonal
30501968.831084
Surface area
2791110307717206
Volume
1.0033180498713E+22
Space diagonal
37357129.893216
Perimeter
64704447
Area
2.0143103593731E+14
Altitude
18678564.946608
Surface area
2.0143103593731E+14
Volume
1.1824216612515E+21
Height
10167322.943695