21690774 is an even 8-digits composite number following 21690773
and preceding 21690775 . In scientific notation, it is written as 2.1690774 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6197256 positive integers (up to 21690774) that are relatively prime to 21690774.
21690774 has 16 divisors, whose sum is 37873440
The reverse of 21690774 is 47709612
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million six hundred ninety thousand seven hundred seventy-four
Scientific notation
2.1690774 × 10^7
Engineering notation
2.1690774 × 10^6
Prime Factorization
2 × 9 × 21 × 57383
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21690774
Product of the distinct prime numbers
The prime factorization of 21690774 is 2 × 9 × 21 × 57383.
Since it has a total of 4 prime factors.
5 , 10 , 31 , 5 , 442 , 61 , 3737 , 1906 , 87888 , 78415 , 400651 , 634850 , 4576156 , 7594384 , 80919814 , 80969306 , 169510858 , 321313913 , 9112610861 , 5166193706
n×2
43381548
n×3
65072322
n×4
86763096
n×5
108453870
n÷2
10845387
n÷3
7230258
n÷3
5422693.5
n÷5
4338154.8
n2
470489676719076
n3
1.0205285247047E+22
n4
2.2136053589922E+29
n5
4.8014813567089E+36
2 √n
4657.3355043415
3 √n
278.88491032973
4 √n
68.244673816654
5 √n
29.326147181928
1 , 2 , 9 , 18 , 21 , 42 , 189 , 378 , 57383 , 114766 , 516447 , 1032894 , 1205043 , 2410086 , 10845387 , 21690774
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
-21690773
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 21690774 can be divided by 16 positive divisors.
The sum of these divisors (counting 21690774) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101111100110010110
3
Ternary
1111211000011000
4
Quaternary
1102233212112
5
Quinary
21023101044
6
Senary
2052524130
8
Octal
122574626
10
Decimal
21690774
12
Duodecimal
7320646
16
Hexadecimal
14af996
20
Vigesimal
6fb6ie
36
Base36
cwwpi
md5
35e05bee4d0f4df659b424e66847b63e
sha1
eab8951f9ca0ec177de28030cdfc823aa570bf34
sha256
8a5a29a0b2c684ce0a2b1f81a9fcc386c30d7ba254371724f16b2e2ab3b8f820
sha512
d7466c8671cbb90a9101e34547ded7fc21e033ab3f0d6a97127a301b702c2019fe288be82af10a37159f0dec72e75355deba89ecc6ae5536fee5e791dc563482
ripemd-160
fec319d473748d2bae6949a65899834b330aa760
Diameter
43381548
Circumference
136287152.49815
Area
1.4780869119705E+15
Volume
4.274779887988E+22
Surface area
5.9123476478819E+15
Circumference
136287152.49815
Perimeter
86763096
Area
470489676719076
Diagonal
30675386.76917
Surface area
2822938060314456
Volume
1.0205285247047E+22
Space diagonal
37569522.623494
Perimeter
65072322
Area
2.0372800612852E+14
Altitude
18784761.311747
Surface area
2.0372800612852E+14
Volume
1.2027044003549E+21
Height
10225128.923057