21472761 is an odd 8-digits composite number following 21472760
and preceding 21472762 . In scientific notation, it is written as 2.1472761 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 14315172 positive integers (up to 21472761) that are relatively prime to 21472761.
21472761 has 4 divisors, whose sum is 28630352
The reverse of 21472761 is 16727412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred seventy-two thousand seven hundred sixty-one
Scientific notation
2.1472761 × 10^7
Engineering notation
2.1472761 × 10^6
Prime Factorization
3 × 7157587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21472761
Product of the distinct prime numbers
The prime factorization of 21472761 is 3 × 7157587.
Since it has a total of 2 prime factors.
8 , 2 , 66 , 39 , 3 , 673 , 755 , 4458 , 9314 , 93384 , 482033 , 158868 , 7535658 , 8123065 , 59171441 , 67910955 , 734400406 , 793876343 , 2327416579 , 4107879414
n×2
42945522
n×3
64418283
n×4
85891044
n×5
107363805
n÷2
10736380.5
n÷3
7157587
n÷3
5368190.25
n÷5
4294552.2
n2
461079464963121
n3
9.900649153161E+21
n4
2.1259427301068E+29
n5
4.564986014327E+36
2 √n
4633.8710599239
3 √n
277.94740909488
4 √n
68.07254262861
5 √n
29.266957577409
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21472760
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21472761 can be divided by 4 positive divisors.
The sum of these divisors (counting 21472761) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111010010111111001
3
Ternary
1111101221002110
4
Quaternary
1101322113321
5
Quinary
20444112021
6
Senary
2044122533
8
Octal
121722771
10
Decimal
21472761
12
Duodecimal
7236449
16
Hexadecimal
147a5f9
20
Vigesimal
6e41i1
36
Base36
cs8hl
md5
9eab4dd80ccf99945bbb9617cefa350e
sha1
7f3b980de1ae8563dcc00d5993ac08c4a475a87a
sha256
f759e55b17a7156a9f1d9e21a352e1ff0d3697cbaaffcf0157893ba44072fb24
sha512
aa6c1dca9869e43d98944b536e099a6c70260a8859f50cf553a5d091919703de1dcfb51ba866c9365a774288fa29277d69ebafd372a6a19094c703cf9f613589
ripemd-160
6d63bd073b08dd723e2246996299512be77d83d1
Diameter
42945522
Circumference
134917336.41978
Area
1.4485238598493E+15
Volume
4.1471742193787E+22
Surface area
5.794095439397E+15
Circumference
134917336.41978
Perimeter
85891044
Area
461079464963121
Diagonal
30367069.827796
Surface area
2766476789778726
Volume
9.900649153161E+21
Space diagonal
37191913.030783
Perimeter
64418283
Area
1.996532649107E+14
Altitude
18595956.515392
Surface area
1.996532649107E+14
Volume
1.1668026923915E+21
Height
10122356.609265