21568995 is an odd 8-digits composite number following 21568994
and preceding 21568996 . In scientific notation, it is written as 2.1568995 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 9859968 positive integers (up to 21568995) that are relatively prime to 21568995.
21568995 has 4 divisors, whose sum is 21637784
The reverse of 21568995 is 59986512
Previous prime number is 315
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million five hundred sixty-eight thousand nine hundred ninety-five
Scientific notation
2.1568995 × 10^7
Engineering notation
2.1568995 × 10^6
Prime Factorization
315 × 68473
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21568995
Product of the distinct prime numbers
The prime factorization of 21568995 is 315 × 68473.
Since it has a total of 2 prime factors.
3 , 8 , 22 , 80 , 262 , 678 , 9161 , 7930 , 54480 , 19350 , 511943 , 619135 , 719994 , 5744489 , 88367842 , 55018495 , 205100147 , 638859996 , 1345123275 , 7398672094
n×2
43137990
n×3
64706985
n×4
86275980
n×5
107844975
n÷2
10784497.5
n÷3
7189665
n÷3
5392248.75
n÷5
4313799
n2
465221545310025
n3
1.0034361184684E+22
n4
2.1643108622065E+29
n5
4.6682010165377E+36
2 √n
4644.2432106857
3 √n
278.36201392893
4 √n
68.148684585146
5 √n
29.293143692122
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21568994
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568995 can be divided by 4 positive divisors.
The sum of these divisors (counting 21568995) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010010001110111100011
3
Ternary
1111120211002200
4
Quaternary
1102101313203
5
Quinary
21010201440
6
Senary
2050144243
8
Octal
122216743
10
Decimal
21568995
12
Duodecimal
7282083
16
Hexadecimal
1491de3
20
Vigesimal
6eg29f
36
Base36
cuaqr
md5
78ba4990788cedc86e4660482fb0f56a
sha1
e85719aeb640cb5349deb1e136e01d3007f13f8a
sha256
691eb41b73f785d3d8b368c76b439e7a938fa48e4f075bbc32291d385cee66f0
sha512
4478fec07d315ae0e492820e85fd32c09197cda4b5a052058371c611c188f8325bd29c2a161243f685c36379c84d7ad0dd2ec356fad40d53911b9aafcb9fe3e0
ripemd-160
f67f25f87ca180449d7611c37cb47cc2b577e044
Diameter
43137990
Circumference
135521992.47463
Area
1.4615365890377E+15
Volume
4.2031833841694E+22
Surface area
5.8461463561507E+15
Circumference
135521992.47463
Perimeter
86275980
Area
465221545310025
Diagonal
30503165.255757
Surface area
2791329271860150
Volume
1.0034361184684E+22
Space diagonal
37358595.208199
Perimeter
64706985
Area
2.0144683831317E+14
Altitude
18679297.6041
Surface area
2.0144683831317E+14
Volume
1.1825608064275E+21
Height
10167721.751919