21291227 is an odd 8-digits composite number following 21291226
and preceding 21291228 . In scientific notation, it is written as 2.1291227 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 21280896 positive integers (up to 21291227) that are relatively prime to 21291227.
21291227 has 4 divisors, whose sum is 21301560
The reverse of 21291227 is 72219212
Previous prime number is 2843
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million two hundred ninety-one thousand two hundred twenty-seven
Scientific notation
2.1291227 × 10^7
Engineering notation
2.1291227 × 10^6
Prime Factorization
2843 × 7489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21291227
Product of the distinct prime numbers
The prime factorization of 21291227 is 2843 × 7489.
Since it has a total of 2 prime factors.
1 , 9 , 27 , 28 , 536 , 387 , 6191 , 4134 , 96831 , 66469 , 112567 , 801894 , 4679451 , 6676971 , 42807431 , 44026111 , 183618110 , 665596322 , 3695965885 , 2672292748
n×2
42582454
n×3
63873681
n×4
85164908
n×5
106456135
n÷2
10645613.5
n÷3
7097075.6666667
n÷3
5322806.75
n÷5
4258245.4
n2
453316347165529
n3
9.6516612503121E+21
n4
2.054957106075E+29
n5
4.3752558220706E+36
2 √n
4614.2417578623
3 √n
277.16192142971
4 √n
67.9282103243
5 √n
29.217303914854
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
-21291226
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 21291227 can be divided by 4 positive divisors.
The sum of these divisors (counting 21291227) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001110000011011011
3
Ternary
1111001201001222
4
Quaternary
1101032003123
5
Quinary
20422304402
6
Senary
2040202255
8
Octal
121160333
10
Decimal
21291227
12
Duodecimal
716938b
16
Hexadecimal
144e0db
20
Vigesimal
6d1817
36
Base36
cocez
md5
64102c72712e0cfa03863f3060b84a3b
sha1
44996c02d7fd784d2d31dfd9e333ef7711833002
sha256
f66732a892505e40c78789c6ac208632db4e3b794dfea8cd99cb2d18d9433827
sha512
a4bfd32bf99cf0714d810fc47771ad666ab1ae13bd39f223cf756a86e7cf2710c36c9d3a817556871df2a933cde8042b3c92605b4854599fd1ee36208bd20b83
ripemd-160
669f5b459090fe993392464c42168ffbc857c331
Diameter
42582454
Circumference
133776724.65823
Area
1.4241353060074E+15
Volume
4.0428784105224E+22
Surface area
5.6965412240295E+15
Circumference
133776724.65823
Perimeter
85164908
Area
453316347165529
Diagonal
30110341.982964
Surface area
2719898082993174
Volume
9.6516612503121E+21
Space diagonal
36877486.919482
Perimeter
63873681
Area
1.9629173629806E+14
Altitude
18438743.459741
Surface area
1.9629173629806E+14
Volume
1.1374591866352E+21
Height
10036780.660988