21057568 is an even 8-digits composite number following 21057567
and preceding 21057569 . In scientific notation, it is written as 2.1057568 × 10^7.
The sum of its digits is 34. It has a total of 7 prime factors and 24 positive divisors.
There are 9024576 positive integers (up to 21057568) that are relatively prime to 21057568.
21057568 has 24 divisors, whose sum is 47380032
The reverse of 21057568 is 86575012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million fifty-seven thousand five hundred sixty-eight
Scientific notation
2.1057568 × 10^7
Engineering notation
2.1057568 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 7 × 94007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1316098
Product of the distinct prime numbers
The prime factorization of 21057568 is 2 × 2 × 2 × 2 × 2 × 7 × 94007.
Since it has a total of 7 prime factors.
8 , 10 , 8 , 8 , 767 , 826 , 8421 , 7304 , 60535 , 80883 , 856005 , 715008 , 9856709 , 2212505 , 82300749 , 16947833 , 345767378 , 7531843 , 3431402528 , 6423720176
n×2
42115136
n×3
63172704
n×4
84230272
n×5
105287840
n÷2
10528784
n÷3
7019189.3333333
n÷3
5264392
n÷5
4211513.6
n2
443421170074624
n3
9.337371441486E+21
n4
1.9662233407035E+29
n5
4.1403881700051E+36
2 √n
4588.852579894
3 √n
276.14429198125
4 √n
67.741070111816
5 √n
29.152891907609
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 112 , 224 , 94007 , 188014 , 376028 , 658049 , 752056 , 1316098 , 1504112 , 2632196 , 3008224 , 5264392 , 10528784 , 21057568
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21057567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21057568 can be divided by 24 positive divisors.
The sum of these divisors (counting 21057568) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010101000000100000
3
Ternary
1110121211112221
4
Quaternary
1100111000200
5
Quinary
20342320233
6
Senary
2031200424
8
Octal
120250040
10
Decimal
21057568
12
Duodecimal
7076114
16
Hexadecimal
1415020
20
Vigesimal
6bc3i8
36
Base36
cjc4g
md5
3fb03c3c2eaa7eaf78cc174cbe96b8b4
sha1
5348c8d6d0b6ec3028d1a8c3f7932b4600374b2c
sha256
0b41e39905a77949207dcf505f47f3ecd66496226efbe2ae3d844561c05799f0
sha512
e3d62cae240ebaaa8b5c75ed5389d5d0beb6503427ba660ac90e5c279d790fc1f2f0acf335c110b1624b119b96596930f27dd480fe2c3dab128424bfc75309cd
ripemd-160
cee7f781bf6186479c5d1c45ce554202d805608a
Diameter
42115136
Circumference
132308601.86254
Area
1.3930486903526E+15
Volume
3.9112290032549E+22
Surface area
5.5721947614105E+15
Circumference
132308601.86254
Perimeter
84230272
Area
443421170074624
Diagonal
29779898.256194
Surface area
2660527020447744
Volume
9.337371441486E+21
Space diagonal
36472777.659837
Perimeter
63172704
Area
1.9200699893022E+14
Altitude
18236388.829918
Surface area
1.9200699893022E+14
Volume
1.1004197774554E+21
Height
9926632.7520646