21669897 is an odd 8-digits composite number following 21669896
and preceding 21669898 . In scientific notation, it is written as 2.1669897 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 14149632 positive integers (up to 21669897) that are relatively prime to 21669897.
21669897 has 16 divisors, whose sum is 29494080
The reverse of 21669897 is 79896612
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-one million six hundred sixty-nine thousand eight hundred ninety-seven
Scientific notation
2.1669897 × 10^7
Engineering notation
2.1669897 × 10^6
Prime Factorization
3 × 113 × 97 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21669897
Product of the distinct prime numbers
The prime factorization of 21669897 is 3 × 113 × 97 × 659.
Since it has a total of 4 prime factors.
1 , 1 , 14 , 23 , 537 , 907 , 2023 , 8077 , 83600 , 17563 , 581518 , 983811 , 4036346 , 3979514 , 27021365 , 3541164 , 980522233 , 323086167 , 1405675728 , 981903854
n×2
43339794
n×3
65009691
n×4
86679588
n×5
108349485
n÷2
10834948.5
n÷3
7223299
n÷3
5417474.25
n÷5
4333979.4
n2
469584435990609
n3
1.017584636072E+22
n4
2.2050954252462E+29
n5
4.7784190740256E+36
2 √n
4655.093661786
3 √n
278.79540761887
4 √n
68.228246802816
5 √n
29.320499824025
1 , 3 , 97 , 113 , 291 , 339 , 659 , 1977 , 10961 , 32883 , 63923 , 74467 , 191769 , 223401 , 7223299 , 21669897
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
-21669896
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 21669897 can be divided by 16 positive divisors.
The sum of these divisors (counting 21669897) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101010100000001001
3
Ternary
1111202221111210
4
Quaternary
1102222200021
5
Quinary
21021414042
6
Senary
2052243333
8
Octal
122524011
10
Decimal
21669897
12
Duodecimal
7310549
16
Hexadecimal
14aa809
20
Vigesimal
6f8eeh
36
Base36
cwgll
md5
20de82e9bb3076372b3c535d43cb9bea
sha1
d20814c36ba1b6f22e2d9ac61f84721a81cc859a
sha256
63095008d16ad4c16234bc01343f99346cb53c7b5861b181afb8fd0a5740353f
sha512
394a027c753e8c6e39f7d8d81a03dda84ef7ec5e4e91a04bde9e4095ef66228c639a9975fe74b067a7e37a8d2df52a31255d77b768d6e739b513f179a5b0ff8b
ripemd-160
316f73cf865f9b1b6b027c348d226ee8ea6cb418
Diameter
43339794
Circumference
136155978.43849
Area
1.4752430143482E+15
Volume
4.2624485561193E+22
Surface area
5.9009720573928E+15
Circumference
136155978.43849
Perimeter
86679588
Area
469584435990609
Diagonal
30645862.232628
Surface area
2817506615943654
Volume
1.017584636072E+22
Space diagonal
37533362.598784
Perimeter
65009691
Area
2.0333602539483E+14
Altitude
18766681.299392
Surface area
2.0333602539483E+14
Volume
1.1992349943295E+21
Height
10215287.410876