21461285 is an odd 8-digits composite number following 21461284
and preceding 21461286 . In scientific notation, it is written as 2.1461285 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 17169024 positive integers (up to 21461285) that are relatively prime to 21461285.
21461285 has 4 divisors, whose sum is 25753548
The reverse of 21461285 is 58216412
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred sixty-one thousand two hundred eighty-five
Scientific notation
2.1461285 × 10^7
Engineering notation
2.1461285 × 10^6
Prime Factorization
5 × 4292257
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21461285
Product of the distinct prime numbers
The prime factorization of 21461285 is 5 × 4292257.
Since it has a total of 2 prime factors.
1 , 3 , 50 , 15 , 735 , 649 , 9270 , 6269 , 369 , 87745 , 151548 , 766071 , 8602058 , 6493333 , 46673710 , 6744132 , 650365934 , 967544349 , 8831094911 , 3209674862
n×2
42922570
n×3
64383855
n×4
85845140
n×5
107306425
n÷2
10730642.5
n÷3
7153761.6666667
n÷3
5365321.25
n÷5
4292257
n2
460586753851225
n3
9.884783591626E+21
n4
2.1214015782321E+29
n5
4.5528003869889E+36
2 √n
4632.6326208755
3 √n
277.8978844455
4 √n
68.063445555419
5 √n
29.263828595261
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
-21461284
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 21461285 can be divided by 4 positive divisors.
The sum of these divisors (counting 21461285) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110111100100100101
3
Ternary
1111101100100102
4
Quaternary
1101313210211
5
Quinary
20443230120
6
Senary
2043553445
8
Octal
121674445
10
Decimal
21461285
12
Duodecimal
722b885
16
Hexadecimal
1477925
20
Vigesimal
6e2d45
36
Base36
crzmt
md5
35ecec1e15c52037e756a9c3ee986b83
sha1
39408f08a541389d90c5d4a817214dd516b29607
sha256
6a290be66a46b011147d77dfb9054797b5ebe22b7c21d7a3601ea5966f5bb8f2
sha512
8e740d630e495a83913d6a739e8fef190c2f5eeb395584ab441c56a3f5967ee22c18f89b5a598678f1b9f24d16132e049714c3dcdb10e1add21c69c23215336b
ripemd-160
0b114dfc513a7e1541e0cb4476d6a952d2c5d1dc
Diameter
42922570
Circumference
134845230.58519
Area
1.4469759622398E+15
Volume
4.1405284685036E+22
Surface area
5.7879038489591E+15
Circumference
134845230.58519
Perimeter
85845140
Area
460586753851225
Diagonal
30350840.312954
Surface area
2763520523107350
Volume
9.884783591626E+21
Space diagonal
37172036.015716
Perimeter
64383855
Area
1.9943991474089E+14
Altitude
18586018.007858
Surface area
1.9943991474089E+14
Volume
1.1649329180334E+21
Height
10116946.770985