21220912 is an even 8-digits composite number following 21220911
and preceding 21220913 . In scientific notation, it is written as 2.1220912 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 10 positive divisors.
There are 10610448 positive integers (up to 21220912) that are relatively prime to 21220912.
21220912 has 10 divisors, whose sum is 41115548
The reverse of 21220912 is 21902212
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million two hundred twenty thousand nine hundred twelve
Scientific notation
2.1220912 × 10^7
Engineering notation
2.1220912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1326307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2652614
Product of the distinct prime numbers
The prime factorization of 21220912 is 2 × 2 × 2 × 2 × 1326307.
Since it has a total of 5 prime factors.
10 , 6 , 22 , 89 , 621 , 441 , 8542 , 4172 , 2965 , 15940 , 233289 , 898489 , 5986294 , 7357575 , 64993247 , 50361813 , 43288671 , 118119522 , 5146727673 , 5264809183
n×2
42441824
n×3
63662736
n×4
84883648
n×5
106104560
n÷2
10610456
n÷3
7073637.3333333
n÷3
5305228
n÷5
4244182.4
n2
450327106111744
n3
9.556351890012E+21
n4
2.0279450249898E+29
n5
4.3034842916146E+36
2 √n
4606.6161116377
3 √n
276.85647271257
4 √n
67.872056928
5 √n
29.197980143381
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21220911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21220912 can be divided by 10 positive divisors.
The sum of these divisors (counting 21220912) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010000111100111000110000
3
Ternary
1110221010121201
4
Quaternary
1100330320300
5
Quinary
20413032122
6
Senary
2034500544
8
Octal
120747060
10
Decimal
21220912
12
Duodecimal
7134754
16
Hexadecimal
143ce30
20
Vigesimal
6ccc5c
36
Base36
cmu5s
md5
7dfa0a8c3529b7bcadcaa1e63a672a72
sha1
1503a337d0b1a399c1f4ab7d1a057c756d745714
sha256
0b4856781dd885ddd1f7543ee5e1cb801ae3385660a754882241744991166d86
sha512
a3bc3521b35b6afcaaf368287c99e4d197b1ab298ea2feed16ae8e13873debcb33a509b8bcf8bec60569a84f36989ca17ceb8feffb802d9396d30a235598168b
ripemd-160
6bfb7e8f89cb2a7151e9213eb5d047e8421ef51e
Diameter
42441824
Circumference
133334922.48335
Area
1.414744328273E+15
Volume
4.0029553190374E+22
Surface area
5.658977313092E+15
Circumference
133334922.48335
Perimeter
84883648
Area
450327106111744
Diagonal
30010901.556326
Surface area
2701962636670464
Volume
9.556351890012E+21
Space diagonal
36755697.766948
Perimeter
63662736
Area
1.9499735695275E+14
Altitude
18377848.883474
Surface area
1.9499735695275E+14
Volume
1.1262268708054E+21
Height
10003633.852109