21066465 is an odd 8-digits composite number following 21066464
and preceding 21066466 . In scientific notation, it is written as 2.1066465 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9584640 positive integers (up to 21066465) that are relatively prime to 21066465.
21066465 has 16 divisors, whose sum is 29028672
The reverse of 21066465 is 56466012
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million sixty-six thousand four hundred sixty-five
Scientific notation
2.1066465 × 10^7
Engineering notation
2.1066465 × 10^6
Prime Factorization
3 × 35 × 641 × 313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21066465
Product of the distinct prime numbers
The prime factorization of 21066465 is 3 × 35 × 641 × 313.
Since it has a total of 4 prime factors.
9 , 5 , 11 , 39 , 141 , 781 , 253 , 7086 , 6608 , 84853 , 15825 , 740953 , 9925322 , 3341928 , 82390732 , 23422953 , 648457144 , 780157756 , 6449601528 , 6454317782
n×2
42132930
n×3
63199395
n×4
84265860
n×5
105332325
n÷2
10533232.5
n÷3
7022155
n÷3
5266616.25
n÷5
4213293
n2
443795947596225
n3
9.3492117971777E+21
n4
1.9695484310283E+29
n5
4.1491423088063E+36
2 √n
4589.8218919692
3 √n
276.18317760237
4 √n
67.748224271705
5 √n
29.155354959899
1 , 3 , 35 , 105 , 313 , 641 , 939 , 1923 , 10955 , 22435 , 32865 , 67305 , 200633 , 601899 , 7022155 , 21066465
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
-21066464
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 21066465 can be divided by 16 positive divisors.
The sum of these divisors (counting 21066465) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010111001011100001
3
Ternary
1110122021202110
4
Quaternary
1100113023201
5
Quinary
20343111330
6
Senary
2031305533
8
Octal
120271341
10
Decimal
21066465
12
Duodecimal
707b2a9
16
Hexadecimal
14172e1
20
Vigesimal
6bd635
36
Base36
cjizl
md5
7794c1101eb40a4fecc25f527543e867
sha1
1b0aff64b82bb59aeed04694aba1562fad8f67da
sha256
60139e65b6ef119765549d963689640d297639afa966be1607bb02645eb9b5d8
sha512
2efb72c2ea44360158676367459b4731a2279a4a323fd4d6c40105db08a813874f72e006a999b66f066703b08c204deedc628b8fee3a588b61f9021717938319
ripemd-160
a243999763df6b920e2786d8f311ca5fe03ae904
Diameter
42132930
Circumference
132364503.36221
Area
1.3942260886612E+15
Volume
3.9161886798491E+22
Surface area
5.5769043546449E+15
Circumference
132364503.36221
Perimeter
84265860
Area
443795947596225
Diagonal
29792480.514258
Surface area
2662775685577350
Volume
9.3492117971777E+21
Space diagonal
36488187.715871
Perimeter
63199395
Area
1.9216928235746E+14
Altitude
18244093.857936
Surface area
1.9216928235746E+14
Volume
1.1018151767556E+21
Height
9930826.838086