21369906 is an even 8-digits composite number following 21369905
and preceding 21369907 . In scientific notation, it is written as 2.1369906 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 7122816 positive integers (up to 21369906) that are relatively prime to 21369906.
21369906 has 16 divisors, whose sum is 36058680
The reverse of 21369906 is 60996312
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million three hundred sixty-nine thousand nine hundred six
Scientific notation
2.1369906 × 10^7
Engineering notation
2.1369906 × 10^6
Prime Factorization
2 × 9 × 9 × 9 × 14657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
263826
Product of the distinct prime numbers
The prime factorization of 21369906 is 2 × 9 × 9 × 9 × 14657.
Since it has a total of 5 prime factors.
2 , 9 , 18 , 75 , 426 , 750 , 2692 , 6298 , 50898 , 23150 , 78474 , 119708 , 1667266 , 8913007 , 86933852 , 27392018 , 148282460 , 88707998 , 4583705328 , 8698745866
n×2
42739812
n×3
64109718
n×4
85479624
n×5
106849530
n÷2
10684953
n÷3
7123302
n÷3
5342476.5
n÷5
4273981.2
n2
456672882448836
n3
9.7590565706807E+21
n4
2.0855012156413E+29
n5
4.456696494114E+36
2 √n
4622.7595654544
3 √n
277.5029072011
4 √n
67.990878545981
5 √n
29.238865826888
1 , 2 , 9 , 18 , 81 , 162 , 729 , 1458 , 14657 , 29314 , 131913 , 263826 , 1187217 , 2374434 , 10684953 , 21369906
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
-21369905
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 21369906 can be divided by 16 positive divisors.
The sum of these divisors (counting 21369906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100001010000110010
3
Ternary
1111012201000000
4
Quaternary
1101201100302
5
Quinary
20432314111
6
Senary
2042010430
8
Octal
121412062
10
Decimal
21369906
12
Duodecimal
71a6a16
16
Hexadecimal
1461432
20
Vigesimal
6db4f6
36
Base36
cq14i
md5
ae0049b131ccb07ad5394b73f18f1c2b
sha1
0892683ebe3413b72b216c79cbeadf05f7b8ab0a
sha256
97a7a169ba289d992f7d2de5d91eea62337ca3a2d4d023e353da8e951e359934
sha512
7c02bf52378ecc6b8ffcc6b60f31071e91e6ee612256caa9e167f1992002a8b93e03386343d1ada4436e9a97a95c5b3eeb39dc8459cb45abec99e7e175971aa8
ripemd-160
580a6d8e376ccdcb5a849e76f42b87bb0a954884
Diameter
42739812
Circumference
134271079.39501
Area
1.4346801725949E+15
Volume
4.0878640571223E+22
Surface area
5.7387206903798E+15
Circumference
134271079.39501
Perimeter
85479624
Area
456672882448836
Diagonal
30221610.891838
Surface area
2740037294693016
Volume
9.7590565706807E+21
Space diagonal
37013762.944971
Perimeter
64109718
Area
1.9774515871008E+14
Altitude
18506881.472485
Surface area
1.9774515871008E+14
Volume
1.1501158465186E+21
Height
10073870.297279