21568690 is an even 8-digits composite number following 21568689
and preceding 21568691 . In scientific notation, it is written as 2.1568690 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 7239360 positive integers (up to 21568690) that are relatively prime to 21568690.
21568690 has 32 divisors, whose sum is 45614016
The reverse of 21568690 is 09686512
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred sixty-eight thousand six hundred ninety
Scientific notation
2.1568690 × 10^7
Engineering notation
2.1568690 × 10^6
Prime Factorization
2 × 5 × 11 × 13 × 15083
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21568690
Product of the distinct prime numbers
The prime factorization of 21568690 is 2 × 5 × 11 × 13 × 15083.
Since it has a total of 5 prime factors.
8 , 6 , 77 , 46 , 723 , 498 , 4468 , 4250 , 49141 , 68098 , 996251 , 337064 , 9203704 , 4616595 , 20818034 , 31345414 , 713506707 , 947531565 , 7790766801 , 671064883
n×2
43137380
n×3
64706070
n×4
86274760
n×5
107843450
n÷2
10784345
n÷3
7189563.3333333
n÷3
5392172.5
n÷5
4313738
n2
465208388316100
n3
1.003393551299E+22
n4
2.1641884455966E+29
n5
4.6678709684656E+36
2 √n
4644.2103742186
3 √n
278.36070184779
4 √n
68.148443666885
5 √n
29.293060846729
1 , 2 , 5 , 10 , 11 , 13 , 22 , 26 , 55 , 65 , 110 , 130 , 143 , 286 , 715 , 1430 , 15083 , 30166 , 75415 , 150830 , 165913 , 196079 , 331826 , 392158 , 829565 , 980395 , 1659130 , 1960790 , 2156869 , 4313738 , 10784345 , 21568690
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21568689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568690 can be divided by 32 positive divisors.
The sum of these divisors (counting 21568690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010010001110010110010
3
Ternary
1111120210200101
4
Quaternary
1102101302302
5
Quinary
21010144230
6
Senary
2050143014
8
Octal
122216262
10
Decimal
21568690
12
Duodecimal
7281a6a
16
Hexadecimal
1491cb2
20
Vigesimal
6eg1ea
36
Base36
cuaia
md5
78a66e3d3dfc23ca835e13788c082482
sha1
a2f91053100c4691c6ae8e1eebaa1cedf37b0938
sha256
9cd88b376242becf58e767689a2ff420e954e0a37e50206b2b0306c8b83ba149
sha512
1e9c1ea532972976521005ad451545ca9b55a9e1a2bc62ef4ef788060db2e44e32690beb17177ed1ec51021c9b76ffe3d4cd90610e5dd3c99b715acaab411c15
ripemd-160
415b50dd30734c5933cf83243de13c8e6a6b30bb
Diameter
43137380
Circumference
135520076.10311
Area
1.4614952551222E+15
Volume
4.2030050792269E+22
Surface area
5.8459810204888E+15
Circumference
135520076.10311
Perimeter
86274760
Area
465208388316100
Diagonal
30502733.920621
Surface area
2791250329896600
Volume
1.003393551299E+22
Space diagonal
37358066.932703
Perimeter
64706070
Area
2.0144114116768E+14
Altitude
18679033.466351
Surface area
2.0144114116768E+14
Volume
1.1825106405372E+21
Height
10167577.97354