20121394 is an even 8-digits composite number following 20121393
and preceding 20121395 . In scientific notation, it is written as 2.0121394 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 10027620 positive integers (up to 20121394) that are relatively prime to 20121394.
20121394 has 8 divisors, whose sum is 30281328
The reverse of 20121394 is 49312102
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred twenty-one thousand three hundred ninety-four
Scientific notation
2.0121394 × 10^7
Engineering notation
2.0121394 × 10^6
Prime Factorization
2 × 307 × 32771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121394
Product of the distinct prime numbers
The prime factorization of 20121394 is 2 × 307 × 32771.
Since it has a total of 3 prime factors.
1 , 1 , 85 , 70 , 934 , 820 , 6763 , 957 , 13746 , 51351 , 650000 , 954701 , 6265253 , 6824672 , 40078727 , 72400904 , 798162170 , 1965339 , 9509769633 , 3882495577
n×2
40242788
n×3
60364182
n×4
80485576
n×5
100606970
n÷2
10060697
n÷3
6707131.3333333
n÷3
5030348.5
n÷5
4024278.8
n2
404870496503236
n3
8.1465587791172E+21
n4
1.6392011893878E+29
n5
3.298301297694E+36
2 √n
4485.6876841795
3 √n
271.98984427191
4 √n
66.975276663703
5 √n
28.888940407608
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
-20121393
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 20121394 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121394) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011100110010
3
Ternary
1101212021100211
4
Quaternary
1030300130302
5
Quinary
20122341034
6
Senary
1555134334
8
Octal
114603462
10
Decimal
20121394
12
Duodecimal
68a43aa
16
Hexadecimal
1330732
20
Vigesimal
65f39e
36
Base36
bz9rm
md5
1d7153a6165ebabf5e694f724cb52169
sha1
b26947d87d75671dae94fe6fef79962338eba5ca
sha256
f12cc5b2eb9e538250522afa1f4e36d24bb270d62f7dd503ce2417eec4523ca5
sha512
c4891f8ac18b57d75ccc4ff3ea375ecca66494351e674b34ebb42f4b2484cc5ea3c284f2d98cb0a9761ae8649d311a27858c47507e32aa0b251d23a2c81d8082
ripemd-160
af6d192956889aec325228ba381c4064a97f9ed9
Diameter
40242788
Circumference
126426447.14077
Area
1.2719381774698E+15
Volume
3.4124225616683E+22
Surface area
5.0877527098793E+15
Circumference
126426447.14077
Perimeter
80485576
Area
404870496503236
Diagonal
28455948.288653
Surface area
2429222979019416
Volume
8.1465587791172E+21
Space diagonal
34851276.727112
Perimeter
60364182
Area
1.7531406760731E+14
Altitude
17425638.363556
Surface area
1.7531406760731E+14
Volume
9.6008115934143E+20
Height
9485316.0962175