21969909 is an odd 8-digits composite number following 21969908
and preceding 21969910 . In scientific notation, it is written as 2.1969909 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 12807072 positive integers (up to 21969909) that are relatively prime to 21969909.
21969909 has 24 divisors, whose sum is 35977760
The reverse of 21969909 is 90996912
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million nine hundred sixty-nine thousand nine hundred nine
Scientific notation
2.1969909 × 10^7
Engineering notation
2.1969909 × 10^6
Prime Factorization
3 × 3 × 19 × 13 × 9883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7323303
Product of the distinct prime numbers
The prime factorization of 21969909 is 3 × 3 × 19 × 13 × 9883.
Since it has a total of 5 prime factors.
4 , 7 , 92 , 11 , 73 , 931 , 8300 , 6045 , 94036 , 35150 , 590653 , 737188 , 6687360 , 1978964 , 75159640 , 87450606 , 166610101 , 94914597 , 6944064489 , 913349086
n×2
43939818
n×3
65909727
n×4
87879636
n×5
109849545
n÷2
10984954.5
n÷3
7323303
n÷3
5492477.25
n÷5
4393981.8
n2
482676901468281
n3
1.060436760166E+22
n4
2.3297699121102E+29
n5
5.1184832959999E+36
2 √n
4687.2069508397
3 √n
280.0761230102
4 √n
68.463179526222
5 √n
29.401240298191
1 , 3 , 9 , 13 , 19 , 39 , 57 , 117 , 171 , 247 , 741 , 2223 , 9883 , 29649 , 88947 , 128479 , 187777 , 385437 , 563331 , 1156311 , 1689993 , 2441101 , 7323303 , 21969909
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21969908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21969909 can be divided by 24 positive divisors.
The sum of these divisors (counting 21969909) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011110011101111110101
3
Ternary
1112100012001100
4
Quaternary
1103303233311
5
Quinary
21111014114
6
Senary
2102520313
8
Octal
123635765
10
Decimal
21969909
12
Duodecimal
7436099
16
Hexadecimal
14f3bf5
20
Vigesimal
6h64f9
36
Base36
d2w39
md5
b893013a68b5e52cb4d69bb153f73b6b
sha1
85cd34f547fb6cfe66890f2180d81e0a9f902ba7
sha256
fec787fd71e801d873b36d69e91a0be7259ca7cf9b7cc30f70dfd4b41bbf867f
sha512
50fdba4b19cf4daa1f522ec076141320e086d685a33dc7b64cf3fab03ffc237ae8de8aae6a8138dd73261bf474b848a252e9423069403fe40f6d679af5d96fff
ripemd-160
0261cf1f49cfb30963fa414c0381c55b90372aa8
Diameter
43939818
Circumference
138041009.42887
Area
1.5163742077102E+15
Volume
4.4419471137788E+22
Surface area
6.0654968308409E+15
Circumference
138041009.42887
Perimeter
87879636
Area
482676901468281
Diagonal
31070143.271903
Surface area
2896061408809686
Volume
1.060436760166E+22
Space diagonal
38052998.625665
Perimeter
65909727
Area
2.0900522924574E+14
Altitude
19026499.312832
Surface area
2.0900522924574E+14
Volume
1.2497367068881E+21
Height
10356714.423968