21568125 is an odd 8-digits composite number following 21568124
and preceding 21568126 . In scientific notation, it is written as 2.1568125 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11502000 positive integers (up to 21568125) that are relatively prime to 21568125.
21568125 has 16 divisors, whose sum is 34788096
The reverse of 21568125 is 52186512
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred sixty-eight thousand one hundred twenty-five
Scientific notation
2.1568125 × 10^7
Engineering notation
2.1568125 × 10^6
Prime Factorization
3 × 125 × 5 × 11503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21568125
Product of the distinct prime numbers
The prime factorization of 21568125 is 3 × 125 × 5 × 11503.
Since it has a total of 4 prime factors.
6 , 8 , 62 , 100 , 707 , 162 , 6944 , 415 , 70194 , 99093 , 771668 , 624106 , 1798261 , 9447357 , 78868415 , 71139767 , 94377999 , 526633645 , 3993147616 , 3129605055
n×2
43136250
n×3
64704375
n×4
86272500
n×5
107840625
n÷2
10784062.5
n÷3
7189375
n÷3
5392031.25
n÷5
4313625
n2
465184016015625
n3
1.0033147005427E+22
n4
2.1639616875643E+29
n5
4.6672596172597E+36
2 √n
4644.1495453958
3 √n
278.35827123858
4 √n
68.147997368931
5 √n
29.292907376557
1 , 3 , 5 , 15 , 125 , 375 , 625 , 1875 , 11503 , 34509 , 57515 , 172545 , 1437875 , 4313625 , 7189375 , 21568125
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
-21568124
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 21568125 can be divided by 16 positive divisors.
The sum of these divisors (counting 21568125) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010010001101001111101
3
Ternary
1111120202220110
4
Quaternary
1102101221331
5
Quinary
21010140000
6
Senary
2050140233
8
Octal
122215175
10
Decimal
21568125
12
Duodecimal
7281679
16
Hexadecimal
1491a7d
20
Vigesimal
6eg065
36
Base36
cua2l
md5
cd1ec6ce48363730877b09b8771d1c80
sha1
7e539571546da9b91f9d2930f89caa1be74f8d4c
sha256
be5fcf2f1f8fe90ba24ea309965edf6b371b9cbb756e7cc3754bca2400329954
sha512
d92e0bb902ee959f57afb661f60fb062dd1e9d072eb65a5ba88c4f602906a3b243fee8942d957a1f2436973ea4487c25ad9e74b65d8b715f983b4ee6ca6b9c2f
ripemd-160
8b17c741c8ba8de3f540be2b04b9a9965e832196
Diameter
43136250
Circumference
135516526.10341
Area
1.4614186872821E+15
Volume
4.2026747899515E+22
Surface area
5.8456747491283E+15
Circumference
135516526.10341
Perimeter
86272500
Area
465184016015625
Diagonal
30501934.889958
Surface area
2791104096093750
Volume
1.0033147005427E+22
Space diagonal
37357088.323996
Perimeter
64704375
Area
2.01430587652E+14
Altitude
18678544.161998
Surface area
2.01430587652E+14
Volume
1.1824177140298E+21
Height
10167311.629986