20212908 is an even 8-digits composite number following 20212907
and preceding 20212909 . In scientific notation, it is written as 2.0212908 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 6737632 positive integers (up to 20212908) that are relatively prime to 20212908.
20212908 has 12 divisors, whose sum is 47163480
The reverse of 20212908 is 80921202
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million two hundred twelve thousand nine hundred eight
Scientific notation
2.0212908 × 10^7
Engineering notation
2.0212908 × 10^6
Prime Factorization
2 × 2 × 3 × 1684409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10106454
Product of the distinct prime numbers
The prime factorization of 20212908 is 2 × 2 × 3 × 1684409.
Since it has a total of 4 prime factors.
2 , 4 , 24 , 36 , 776 , 519 , 4044 , 7636 , 85155 , 52078 , 501756 , 873715 , 8774632 , 1938264 , 71764979 , 87613220 , 74938194 , 38617111 , 7000971095 , 7620473274
n×2
40425816
n×3
60638724
n×4
80851632
n×5
101064540
n÷2
10106454
n÷3
6737636
n÷3
5053227
n÷5
4042581.6
n2
408561649816464
n3
8.2582190400684E+21
n4
1.6692262170075E+29
n5
3.3739915955561E+36
2 √n
4495.8767776708
3 √n
272.40156588378
4 √n
67.05129959718
5 √n
28.915170657653
1 , 2 , 3 , 4 , 6 , 12 , 1684409 , 3368818 , 5053227 , 6737636 , 10106454 , 20212908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20212907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20212908 can be divided by 12 positive divisors.
The sum of these divisors (counting 20212908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000110110010101100
3
Ternary
1102000220220020
4
Quaternary
1031012302230
5
Quinary
20133303113
6
Senary
2001122140
8
Octal
115066254
10
Decimal
20212908
12
Duodecimal
6929350
16
Hexadecimal
1346cac
20
Vigesimal
666c58
36
Base36
c18do
md5
94013520d10faaa431ed43003f15e0ba
sha1
23c507342dcf4de56713a78c87b9dbbce957582e
sha256
47c0981d5813d064c77177c5d9c1a814e98bb50054e4a951e65db0b079e6ddda
sha512
7606b50a45f9fbb3883c00081062ee198bd4769b9a7bd60a9e3821c815a49892cf6e98e81b52254ba4dff1f8045fb11100af591df909afb1cc2873b2a4575b07
ripemd-160
32dd2488fb047d134c137b213d460e5e61e99c02
Diameter
40425816
Circumference
127001446.56097
Area
1.2835342776019E+15
Volume
3.4591947024019E+22
Surface area
5.1341371104077E+15
Circumference
127001446.56097
Perimeter
80851632
Area
408561649816464
Diagonal
28585368.6286
Surface area
2451369898898784
Volume
8.2582190400684E+21
Space diagonal
35009783.624715
Perimeter
60638724
Area
1.7691238387657E+14
Altitude
17504891.812358
Surface area
1.7691238387657E+14
Volume
9.732404472927E+20
Height
9528456.2095332