21690693 is an odd 8-digits composite number following 21690692
and preceding 21690694 . In scientific notation, it is written as 2.1690693 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 14460444 positive integers (up to 21690693) that are relatively prime to 21690693.
21690693 has 8 divisors, whose sum is 32134400
The reverse of 21690693 is 39609612
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million six hundred ninety thousand six hundred ninety-three
Scientific notation
2.1690693 × 10^7
Engineering notation
2.1690693 × 10^6
Prime Factorization
9 × 3 × 803359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21690693
Product of the distinct prime numbers
The prime factorization of 21690693 is 9 × 3 × 803359.
Since it has a total of 3 prime factors.
4 , 10 , 69 , 33 , 63 , 570 , 4964 , 256 , 33620 , 88941 , 177584 , 241193 , 5475277 , 9096177 , 52814954 , 41511210 , 950116938 , 879582433 , 6502582869 , 705243908
n×2
43381386
n×3
65072079
n×4
86762772
n×5
108453465
n÷2
10845346.5
n÷3
7230231
n÷3
5422673.25
n÷5
4338138.6
n2
470486162820249
n3
1.0205170918482E+22
n4
2.2135722940532E+29
n5
4.8013917063614E+36
2 √n
4657.3268083741
3 √n
278.88456318205
4 √n
68.244610104931
5 √n
29.326125279331
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21690692
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21690693 can be divided by 8 positive divisors.
The sum of these divisors (counting 21690693) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111100101000101
3
Ternary
1111211000001000
4
Quaternary
1102233211011
5
Quinary
21023100233
6
Senary
2052523513
8
Octal
122574505
10
Decimal
21690693
12
Duodecimal
7320599
16
Hexadecimal
14af945
20
Vigesimal
6fb6ed
36
Base36
cwwn9
md5
0fbb49b1a9bde375585a8729ed8657de
sha1
03a01c9c6ad1189a4ef252da246e746aabce7864
sha256
9b707ae2d5f0418b973e2a507fbe1ff03bf3bdd7b96d231adeb9012494af006f
sha512
9d698fcdfcfb82131739ad3810b9f71d48d0f7634ec46f639423e0725892f58a25fdddc64380eddb694a4fc3e91e1fe6b73a8e13b7945c20283dbeec92e1826d
ripemd-160
afe0dcab2771490ab8d0628436791a17c4c66f61
Diameter
43381386
Circumference
136286643.56014
Area
1.4780758727317E+15
Volume
4.2747319981508E+22
Surface area
5.912303490927E+15
Circumference
136286643.56014
Perimeter
86762772
Area
470486162820249
Diagonal
30675272.217871
Surface area
2822916976921494
Volume
1.0205170918482E+22
Space diagonal
37569382.327379
Perimeter
65072079
Area
2.037264845657E+14
Altitude
18784691.163689
Surface area
2.037264845657E+14
Volume
1.2026909266044E+21
Height
10225090.73929