21272761 is an odd 8-digits composite number following 21272760
and preceding 21272762 . In scientific notation, it is written as 2.1272761 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 20114640 positive integers (up to 21272761) that are relatively prime to 21272761.
21272761 has 8 divisors, whose sum is 22435200
The reverse of 21272761 is 16727212
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million two hundred seventy-two thousand seven hundred sixty-one
Scientific notation
2.1272761 × 10^7
Engineering notation
2.1272761 × 10^6
Prime Factorization
19 × 911 × 1229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21272761
Product of the distinct prime numbers
The prime factorization of 21272761 is 19 × 911 × 1229.
Since it has a total of 3 prime factors.
9 , 5 , 70 , 42 , 378 , 75 , 6123 , 2425 , 63048 , 57211 , 450920 , 931641 , 252744 , 9431061 , 59562379 , 66812530 , 111927150 , 655138289 , 7285305672 , 2867930392
n×2
42545522
n×3
63818283
n×4
85091044
n×5
106363805
n÷2
10636380.5
n÷3
7090920.3333333
n÷3
5318190.25
n÷5
4254552.2
n2
452530360563121
n3
9.6265702055031E+21
n4
2.0478372723139E+29
n5
4.3563152860825E+36
2 √n
4612.240344995
3 √n
277.08177022629
4 √n
67.913476902564
5 √n
29.212234089565
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21272760
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21272761 can be divided by 8 positive divisors.
The sum of these divisors (counting 21272761) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001001100010111001
3
Ternary
1111000202202001
4
Quaternary
1101021202321
5
Quinary
20421212021
6
Senary
2035541001
8
Octal
121114271
10
Decimal
21272761
12
Duodecimal
715a761
16
Hexadecimal
14498b9
20
Vigesimal
6cj1i1
36
Base36
cny61
md5
1d8c2637e7d788f09073de8878bf2890
sha1
c39366290c9705a8d3f34d5969d4a6881d3d5c9a
sha256
b839d10536d9894cbb2b8f9b6e4665f393219dbb1a5d5f3d33f120ef6cd5798d
sha512
57a0c5fa6bfcbb7c6507c9800f003d668e37b1190beafb44302e8c080ee45088ba83f9b85f540434d1ad1885cce76ba8b11716287dd80858326d00641b891db5
ripemd-160
606d5fccfff7baef681eb5da22554d22dc1ebc3e
Diameter
42545522
Circumference
133660699.35834
Area
1.4216660562714E+15
Volume
4.03236829825E+22
Surface area
5.6866642250858E+15
Circumference
133660699.35834
Perimeter
85091044
Area
452530360563121
Diagonal
30084227.115321
Surface area
2715182163378726
Volume
9.6265702055031E+21
Space diagonal
36845502.86927
Perimeter
63818283
Area
1.959513941157E+14
Altitude
18422751.434635
Surface area
1.959513941157E+14
Volume
1.1345021786466E+21
Height
10028075.705107